include/wx/generic/dcpsg.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/generic/dcps.h
   3 // Purpose:     wxPostScriptDC class
   4 // Author:      Julian Smart and others
   5 // Modified by:
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) Julian Smart and Robert Roebling
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifndef _WX_DCPSG_H_
  12 #define _WX_DCPSG_H_
  13
  14 #include "wx/defs.h"
  15
  16 #if wxUSE_PRINTING_ARCHITECTURE
  17
  18 #if wxUSE_POSTSCRIPT
  19
  20 #include "wx/dc.h"
  21 #include "wx/dialog.h"
  22 #include "wx/module.h"
  23 #include "wx/cmndata.h"
  24
  25 extern WXDLLIMPEXP_DATA_CORE(int) wxPageNumber;
  26
  27 //-----------------------------------------------------------------------------
  28 // classes
  29 //-----------------------------------------------------------------------------
  30
  31 class wxPostScriptDC;
  32
  33 //-----------------------------------------------------------------------------
  34 // wxPostScriptDC
  35 //-----------------------------------------------------------------------------
  36
  37 class WXDLLEXPORT wxPostScriptDC: public wxDC
  38 {
  39 public:
  40     wxPostScriptDC();
  41
  42     // Recommended constructor
  43     wxPostScriptDC(const wxPrintData& printData);
  44
  45     // Recommended destructor :-)
  46     virtual ~wxPostScriptDC();
  47
  48   virtual bool Ok() const { return IsOk(); }
  49   virtual bool IsOk() const;
  50
  51   bool CanDrawBitmap() const { return true; }
  52
  53   void Clear();
  54   void SetFont( const wxFont& font );
  55   void SetPen( const wxPen& pen );
  56   void SetBrush( const wxBrush& brush );
  57   void SetLogicalFunction( int function );
  58   void SetBackground( const wxBrush& brush );
  59
  60   void DestroyClippingRegion();
  61
  62   bool StartDoc(const wxString& message);
  63   void EndDoc();
  64   void StartPage();
  65   void EndPage();
  66
  67   wxCoord GetCharHeight() const;
  68   wxCoord GetCharWidth() const;
  69   bool CanGetTextExtent() const { return true; }
  70
  71   // Resolution in pixels per logical inch
  72   wxSize GetPPI() const;
  73
  74   void SetAxisOrientation( bool xLeftRight, bool yBottomUp );
  75   void SetDeviceOrigin( wxCoord x, wxCoord y );
  76
  77   void SetBackgroundMode(int WXUNUSED(mode)) { }
  78   void SetPalette(const wxPalette& WXUNUSED(palette)) { }
  79
  80   wxPrintData& GetPrintData() { return m_printData; }
  81   void SetPrintData(const wxPrintData& data) { m_printData = data; }
  82
  83   virtual int GetDepth() const { return 24; }
  84
  85   static void SetResolution(int ppi);
  86   static int GetResolution();
  87
  88   void PsPrintf( const wxChar* fmt, ... );
  89   void PsPrint( const char* psdata );
  90   void PsPrint( int ch );
  91
  92 #if wxUSE_UNICODE
  93   void PsPrint( const wxChar* psdata ) { PsPrint( wxConvUTF8.cWX2MB( psdata ) ); }
  94 #endif
  95
  96 private:
  97     static float ms_PSScaleFactor;
  98
  99 protected:
 100     bool DoFloodFill(wxCoord x1, wxCoord y1, const wxColour &col, int style = wxFLOOD_SURFACE);
 101     bool DoGetPixel(wxCoord x1, wxCoord y1, wxColour *col) const;
 102     void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
 103     void DoCrossHair(wxCoord x, wxCoord y) ;
 104     void DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc);
 105     void DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea);
 106     void DoDrawPoint(wxCoord x, wxCoord y);
 107     void DoDrawLines(int n, wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0);
 108     void DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0, int fillStyle = wxODDEVEN_RULE);
 109     void DoDrawPolyPolygon(int n, int count[], wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0, int fillStyle = wxODDEVEN_RULE);
 110     void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
 111     void DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20);
 112     void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
 113 #if wxUSE_SPLINES
 114     void DoDrawSpline(wxList *points);
 115 #endif // wxUSE_SPLINES
 116     bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
 117                 wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop = wxCOPY, bool useMask = false,
 118                 wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord);
 119     void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y);
 120     void DoDrawBitmap(const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask = false);
 121     void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
 122     void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle);
 123     void DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
 124     void DoSetClippingRegionAsRegion( const wxRegion &WXUNUSED(clip)) { }
 125     void DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y,
 126                          wxCoord *descent = NULL,
 127                          wxCoord *externalLeading = NULL,
 128                          wxFont *theFont = NULL) const;
 129     void DoGetSize(int* width, int* height) const;
 130     void DoGetSizeMM(int *width, int *height) const;
 131
 132     FILE*             m_pstream;    // PostScript output stream
 133     wxString          m_title;
 134     unsigned char     m_currentRed;
 135     unsigned char     m_currentGreen;
 136     unsigned char     m_currentBlue;
 137     int               m_pageNumber;
 138     bool              m_clipping;
 139     double            m_underlinePosition;
 140     double            m_underlineThickness;
 141     wxPrintData       m_printData;
 142
 143 private:
 144     DECLARE_DYNAMIC_CLASS(wxPostScriptDC)
 145 };
 146
 147 #endif
 148     // wxUSE_POSTSCRIPT
 149
 150 #endif
 151     // wxUSE_PRINTING_ARCHITECTURE
 152
 153 #endif
 154         // _WX_DCPSG_H_