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 && wxUSE_POSTSCRIPT
  17
  18 #include "wx/dc.h"
  19 #include "wx/dialog.h"
  20 #include "wx/module.h"
  21 #include "wx/cmndata.h"
  22 #include "wx/strvararg.h"
  23
  24 //-----------------------------------------------------------------------------
  25 // wxPostScriptDC
  26 //-----------------------------------------------------------------------------
  27
  28 class WXDLLEXPORT wxPostScriptDC: public wxDC
  29 {
  30 public:
  31     wxPostScriptDC();
  32
  33     // Recommended constructor
  34     wxPostScriptDC(const wxPrintData& printData);
  35
  36     virtual ~wxPostScriptDC();
  37
  38     virtual bool Ok() const { return IsOk(); }
  39     virtual bool IsOk() const;
  40
  41     bool CanDrawBitmap() const { return true; }
  42
  43     void Clear();
  44     void SetFont( const wxFont& font );
  45     void SetPen( const wxPen& pen );
  46     void SetBrush( const wxBrush& brush );
  47     void SetLogicalFunction( int function );
  48     void SetBackground( const wxBrush& brush );
  49
  50     void DestroyClippingRegion();
  51
  52     bool StartDoc(const wxString& message);
  53     void EndDoc();
  54     void StartPage();
  55     void EndPage();
  56
  57     wxCoord GetCharHeight() const;
  58     wxCoord GetCharWidth() const;
  59     bool CanGetTextExtent() const { return true; }
  60
  61     // Resolution in pixels per logical inch
  62     wxSize GetPPI() const;
  63
  64 #if wxUSE_NEW_DC
  65 #else
  66     // these need to be overridden as wxPostscriptDC inherits
  67     // from the platform dependent wxDC and this we'd call
  68     // e.g. wxMSW specific code here.
  69     virtual void SetAxisOrientation( bool xLeftRight, bool yBottomUp );
  70     virtual void SetMapMode(int mode);
  71     virtual void SetUserScale(double x, double y);
  72     virtual void SetLogicalScale(double x, double y);
  73     virtual void SetLogicalOrigin(wxCoord x, wxCoord y);
  74     virtual void SetDeviceOrigin(wxCoord x, wxCoord y);
  75 #endif
  76     virtual void ComputeScaleAndOrigin();
  77
  78     void SetBackgroundMode(int WXUNUSED(mode)) { }
  79     void SetPalette(const wxPalette& WXUNUSED(palette)) { }
  80
  81     void SetPrintData(const wxPrintData& data);
  82     wxPrintData& GetPrintData() { return m_printData; }
  83
  84     virtual int GetDepth() const { return 24; }
  85
  86     static void SetResolution(int ppi);
  87     static int GetResolution();
  88
  89     void PsPrint( const wxString& psdata );
  90
  91 private:
  92
  93 protected:
  94     bool DoFloodFill(wxCoord x1, wxCoord y1, const wxColour &col, int style = wxFLOOD_SURFACE);
  95     bool DoGetPixel(wxCoord x1, wxCoord y1, wxColour *col) const;
  96     void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
  97     void DoCrossHair(wxCoord x, wxCoord y) ;
  98     void DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc);
  99     void DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea);
 100     void DoDrawPoint(wxCoord x, wxCoord y);
 101     void DoDrawLines(int n, wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0);
 102     void DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0, int fillStyle = wxODDEVEN_RULE);
 103     void DoDrawPolyPolygon(int n, int count[], wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0, int fillStyle = wxODDEVEN_RULE);
 104     void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
 105     void DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20);
 106     void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
 107 #if wxUSE_SPLINES
 108     void DoDrawSpline(const wxPointList *points);
 109 #endif // wxUSE_SPLINES
 110     bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
 111                 wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop = wxCOPY, bool useMask = false,
 112                 wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord);
 113     void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y);
 114     void DoDrawBitmap(const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask = false);
 115     void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
 116     void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle);
 117     void DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
 118     void DoSetClippingRegionAsRegion( const wxRegion &WXUNUSED(clip)) { }
 119     void DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y,
 120                          wxCoord *descent = NULL,
 121                          wxCoord *externalLeading = NULL,
 122                          const wxFont *theFont = NULL) const;
 123     void DoGetSize(int* width, int* height) const;
 124     void DoGetSizeMM(int *width, int *height) const;
 125
 126     FILE*             m_pstream;    // PostScript output stream
 127     wxString          m_title;
 128     unsigned char     m_currentRed;
 129     unsigned char     m_currentGreen;
 130     unsigned char     m_currentBlue;
 131     int               m_pageNumber;
 132     bool              m_clipping;
 133     double            m_underlinePosition;
 134     double            m_underlineThickness;
 135     wxPrintData       m_printData;
 136     double            m_pageHeight;
 137
 138 private:
 139     DECLARE_DYNAMIC_CLASS(wxPostScriptDC)
 140 };
 141
 142 #endif
 143     // wxUSE_POSTSCRIPT && wxUSE_PRINTING_ARCHITECTURE
 144
 145 #endif
 146         // _WX_DCPSG_H_