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 #ifdef WXMAKINGDLL_SVG
   7     #define WXDLLIMPEXP_SVG WXEXPORT
   8 #elif defined(WXUSINGDLL)
   9     #define WXDLLIMPEXP_SVG WXIMPORT
  10 #else // not making nor using DLL
  11     #define WXDLLIMPEXP_SVG
  12 #endif
  13
  14 #define wxSVGVersion wxT("v0100")
  15 #ifdef __BORLANDC__
  16 #pragma warn -rch
  17 #pragma warn -ccc
  18 #endif
  19
  20 //-----------------------------------------------------------------------------
  21 // constants
  22 //-----------------------------------------------------------------------------
  23
  24 #define mm2inches        0.0393700787402
  25 #define inches2mm        25.4
  26 #define mm2twips         56.6929133859
  27 #define twips2mm         0.0176388888889
  28 #define mm2pt            2.83464566929
  29 #define pt2mm            0.352777777778
  30
  31 class WXDLLIMPEXP_SVG wxSVGFileDC : public wxDC
  32 {
  33
  34     private:
  35         wxFileOutputStream * m_outfile ;
  36         wxString m_filename ;
  37         //holds number of png format images we have
  38         int m_sub_images ;
  39         bool m_OK, m_graphics_changed ;
  40         int m_width, m_height ;
  41
  42         double
  43             m_logicalScaleX,
  44             m_logicalScaleY,
  45             m_userScaleX,
  46             m_userScaleY,
  47             m_scaleX,
  48             m_scaleY,
  49             m_OriginX,
  50             m_OriginY,
  51             m_mm_to_pix_x,
  52             m_mm_to_pix_y;
  53
  54         bool
  55                 m_needComputeScaleX,
  56             m_needComputeScaleY; // not yet used
  57
  58
  59         bool DoGetPixel(wxCoord, wxCoord, class wxColour *) const
  60             { wxASSERT_MSG (FALSE, wxT("wxSVGFILEDC::DoGetPixel Call not implemented")); return TRUE ; };
  61
  62         virtual bool DoBlit(wxCoord, wxCoord, wxCoord, wxCoord, class wxDC *,
  63             wxCoord, wxCoord, int = wxCOPY, bool = 0, int = -1, int = -1) ;
  64
  65         void DoCrossHair(wxCoord, wxCoord)
  66             { wxASSERT_MSG (FALSE, wxT("wxSVGFILEDC::CrossHair Call not implemented")); return  ; };
  67
  68         void DoDrawArc(wxCoord, wxCoord, wxCoord, wxCoord, wxCoord, wxCoord);
  69
  70         void DoDrawBitmap(const class wxBitmap &, wxCoord, wxCoord, bool = 0) ;
  71
  72         void DoDrawCheckMark(wxCoord x, wxCoord y, wxCoord width, wxCoord height) ;
  73
  74         void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height) ;
  75
  76         void DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea) ;
  77
  78         void DoDrawIcon(const class wxIcon &, wxCoord, wxCoord) ;
  79
  80         void DoDrawLine (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2) ;
  81
  82         void DoDrawPoint(wxCoord, wxCoord) ;
  83
  84         void DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset,int fillStyle) ;
  85
  86         void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height) ;
  87
  88         void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle) ;
  89
  90         void DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20)  ;
  91
  92         void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
  93
  94         bool DoFloodFill(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), const wxColour& WXUNUSED(col),
  95                              int WXUNUSED(style) = wxFLOOD_SURFACE)
  96             { wxASSERT_MSG (FALSE, wxT("wxSVGFILEDC::DoFloodFill Call not implemented")); return FALSE ; };
  97
  98         void DoGetSize(int * x, int *y) const { *x = m_width; *y = m_height ; return ; } ;
  99
 100         void DoGetTextExtent(const wxString& string, wxCoord *w, wxCoord *h, wxCoord *descent = NULL, wxCoord *externalLeading = NULL, wxFont *font = NULL) const ;
 101
 102         void DoSetClippingRegionAsRegion(const class wxRegion &)
 103             { wxASSERT_MSG (FALSE, wxT("wxSVGFILEDC::DoSetClippingRegionAsRegion Call not yet implemented")); return  ; };
 104
 105        void Init (wxString f, int Width, int Height, float dpi);
 106
 107        void NewGraphics () ;
 108
 109 #ifdef XDEV2LOG
 110 #undef XDEV2LOG
 111 #endif
 112         wxCoord XDEV2LOG(wxCoord x) const
 113         {
 114             wxCoord new_x = x - m_deviceOriginX;
 115             if (new_x > 0)
 116                 return (wxCoord)((double)(new_x) / m_scaleX + 0.5) * m_signX + m_logicalOriginX;
 117             else
 118                 return (wxCoord)((double)(new_x) / m_scaleX - 0.5) * m_signX + m_logicalOriginX;
 119         }
 120 #ifdef XDEV2LOGREL
 121 #undef XDEV2LOGREL
 122 #endif
 123         wxCoord XDEV2LOGREL(wxCoord x) const
 124         {
 125             if (x > 0)
 126                 return (wxCoord)((double)(x) / m_scaleX + 0.5);
 127             else
 128                 return (wxCoord)((double)(x) / m_scaleX - 0.5);
 129         }
 130 #ifdef YDEV2LOG
 131 #undef YDEV2LOG
 132 #endif
 133         wxCoord YDEV2LOG(wxCoord y) const
 134         {
 135             wxCoord new_y = y - m_deviceOriginY;
 136             if (new_y > 0)
 137                 return (wxCoord)((double)(new_y) / m_scaleY + 0.5) * m_signY + m_logicalOriginY;
 138             else
 139                 return (wxCoord)((double)(new_y) / m_scaleY - 0.5) * m_signY + m_logicalOriginY;
 140         }
 141 #ifdef YDEV2LOGREL
 142 #undef YDEV2LOGREL
 143 #endif
 144         wxCoord YDEV2LOGREL(wxCoord y) const
 145         {
 146             if (y > 0)
 147                 return (wxCoord)((double)(y) / m_scaleY + 0.5);
 148             else
 149                 return (wxCoord)((double)(y) / m_scaleY - 0.5);
 150         }
 151 #ifdef XLOG2DEV
 152 #undef XLOG2DEV
 153 #endif
 154         wxCoord XLOG2DEV(wxCoord x) const
 155         {
 156             wxCoord new_x = x - m_logicalOriginX;
 157             if (new_x > 0)
 158                 return (wxCoord)((double)(new_x) * m_scaleX + 0.5) * m_signX + m_deviceOriginX;
 159             else
 160                 return (wxCoord)((double)(new_x) * m_scaleX - 0.5) * m_signX + m_deviceOriginX;
 161         }
 162 #ifdef XLOG2DEVREL
 163 #undef XLOG2DEVREL
 164 #endif
 165         wxCoord XLOG2DEVREL(wxCoord x) const
 166         {
 167             if (x > 0)
 168                 return (wxCoord)((double)(x) * m_scaleX + 0.5);
 169             else
 170                 return (wxCoord)((double)(x) * m_scaleX - 0.5);
 171         }
 172 #ifdef YLOG2DEV
 173 #undef YLOG2DEV
 174 #endif
 175         wxCoord YLOG2DEV(wxCoord y) const
 176         {
 177             wxCoord new_y = y - m_logicalOriginY;
 178             if (new_y > 0)
 179                 return (wxCoord)((double)(new_y) * m_scaleY + 0.5) * m_signY + m_deviceOriginY;
 180             else
 181                 return (wxCoord)((double)(new_y) * m_scaleY - 0.5) * m_signY + m_deviceOriginY;
 182         }
 183 #ifdef YLOG2DEVREL
 184 #undef YLOG2DEVREL
 185 #endif
 186         wxCoord YLOG2DEVREL(wxCoord y) const
 187         {
 188             if (y > 0)
 189                 return (wxCoord)((double)(y) * m_scaleY + 0.5);
 190             else
 191                 return (wxCoord)((double)(y) * m_scaleY - 0.5);
 192         }
 193
 194
 195     public:
 196
 197         wxSVGFileDC (wxString f);
 198         wxSVGFileDC (wxString f, int Width, int Height);
 199         wxSVGFileDC (wxString f, int Width, int Height, float dpi);
 200         ~wxSVGFileDC();
 201
 202
 203         bool CanDrawBitmap() const { return TRUE ; };
 204
 205         bool CanGetTextExtent() const { return TRUE ; };
 206
 207         int GetDepth() const
 208             { wxASSERT_MSG (FALSE, wxT("wxSVGFILEDC::GetDepth Call not implemented")); return -1 ; };
 209
 210         void BeginDrawing() { return;};
 211
 212         bool Blit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height, wxDC* source, wxCoord xsrc, wxCoord ysrc, int logicalFunc = wxCOPY, bool useMask = FALSE)
 213             { return DoBlit(xdest, ydest, width, height, source, xsrc, ysrc, logicalFunc, useMask); };
 214
 215         void Clear()
 216             { wxASSERT_MSG (FALSE, wxT("wxSVGFILEDC::Clear() Call not implemented \nNot sensible for an output file?")); return ; };
 217
 218         void CrossHair(wxCoord x, wxCoord y)
 219             { DoCrossHair (x,y); return; };
 220
 221         void ComputeScaleAndOrigin() ;
 222
 223         void DestroyClippingRegion()
 224             { wxASSERT_MSG (FALSE, wxT("wxSVGFILEDC::void Call not yet implemented")); return ; };
 225
 226         wxCoord DeviceToLogicalX(wxCoord x) const ;
 227
 228         wxCoord DeviceToLogicalXRel(wxCoord x)  const ;
 229
 230         wxCoord DeviceToLogicalY(wxCoord y)  const ;
 231
 232         wxCoord DeviceToLogicalYRel(wxCoord y)  const ;
 233
 234         void DrawBitmap(const wxBitmap& bitmap, wxCoord x, wxCoord y, bool transparent)
 235             {  DoDrawBitmap ( bitmap, x, y, transparent ) ; return ;};
 236
 237
 238         void DrawIcon(const wxIcon& icon, wxCoord x, wxCoord y)
 239             {DoDrawIcon(icon, x, y) ; return ; };
 240
 241         void DoDrawLines(int n, wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0) ;
 242
 243         void EndDoc()
 244             { return ; };
 245
 246         void EndDrawing()
 247             { return ; };
 248
 249         void EndPage()
 250             {  return ; };
 251
 252         void FloodFill(wxCoord x, wxCoord y, wxColour *colour, int style=wxFLOOD_SURFACE)
 253             { DoFloodFill (x, y, *colour, style); return ;} ;
 254
 255         wxCoord GetCharHeight() const;
 256
 257         wxCoord GetCharWidth() const;
 258
 259         void GetClippingBox(wxCoord *WXUNUSED(x), wxCoord *WXUNUSED(y), wxCoord * WXUNUSED(width), wxCoord * WXUNUSED(height))
 260             { wxASSERT_MSG (FALSE, wxT("wxSVGFILEDC::GetClippingBox Call not yet implemented")); return ; };
 261
 262         int GetLogicalFunction()
 263             { wxASSERT_MSG (FALSE, wxT("wxSVGFILEDC::GetLogicalFunction()  Call not implemented")); return wxCOPY ; };
 264
 265         int GetMapMode() ;
 266
 267         bool GetOptimization()
 268             { wxASSERT_MSG (FALSE, wxT("wxSVGFILEDC::GetOptimization()  No optimization code used")); return TRUE ; };
 269
 270         bool GetPixel(wxCoord x, wxCoord y, wxColour *colour)
 271             { return DoGetPixel (x, y, colour) ; } ;
 272
 273         void GetUserScale(double *x, double *y) const ;
 274
 275         wxCoord LogicalToDeviceX(wxCoord x)  const ;
 276
 277         wxCoord LogicalToDeviceXRel(wxCoord x)  const ;
 278
 279         wxCoord LogicalToDeviceY(wxCoord y)  const ;
 280
 281         wxCoord LogicalToDeviceYRel(wxCoord y)  const ;
 282
 283         bool Ok() const {return m_OK;};
 284
 285         void SetAxisOrientation( bool xLeftRight, bool yBottomUp ) ;
 286
 287         void SetClippingRegion(wxCoord  WXUNUSED(x), wxCoord  WXUNUSED(y), wxCoord  WXUNUSED(width), wxCoord  WXUNUSED(height))
 288             { wxASSERT_MSG (FALSE, wxT("wxSVGFILEDC::SetClippingRegion Call not yet implemented")); return ; };
 289
 290         void SetPalette(const wxPalette&  WXUNUSED(palette))
 291             { wxASSERT_MSG (FALSE, wxT("wxSVGFILEDC::SetPalette Call not yet implemented")); return ; };
 292
 293         void SetBackground( const wxBrush &brush ) ;
 294
 295         void SetBackgroundMode( int mode ) ;
 296
 297         void SetBrush(const wxBrush& brush) ;
 298
 299         void SetFont(const wxFont& font) ;
 300
 301         void SetLogicalFunction(int  WXUNUSED(function))
 302             { wxASSERT_MSG (FALSE, wxT("wxSVGFILEDC::SetLogicalFunction Call implemented")); return ; };
 303
 304         void SetLogicalScale( double x, double y ) ;
 305
 306         void SetLogicalOrigin( wxCoord x, wxCoord y ) ;
 307
 308         void SetDeviceOrigin( wxCoord x, wxCoord y ) ;
 309
 310         void SetMapMode(int anint) ;
 311
 312         void SetOptimization(bool  WXUNUSED(optimize)) { return ; };
 313
 314         void SetPen(const wxPen& pen)  ;
 315
 316         void SetUserScale(double xScale, double yScale) ;
 317
 318         bool StartDoc(const wxString&  WXUNUSED(message))
 319             {  return FALSE; };
 320
 321         void StartPage()
 322             {  return ; };
 323
 324
 325 };
 326
 327 #ifdef __BORLANDC__
 328 #pragma warn .rch
 329 #pragma warn .ccc
 330 #endif
 331 #endif