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