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/dcprint.h"
  20 #include "wx/dialog.h"
  21 #include "wx/module.h"
  22 #include "wx/cmndata.h"
  23 #include "wx/strvararg.h"
  24
  25 //-----------------------------------------------------------------------------
  26 // wxPostScriptDC
  27 //-----------------------------------------------------------------------------
  28
  29
  30 class WXDLLIMPEXP_CORE wxPostScriptDC : public wxDC
  31 {
  32 public:
  33     wxPostScriptDC();
  34
  35     // Recommended constructor
  36     wxPostScriptDC(const wxPrintData& printData);
  37
  38 private:
  39     DECLARE_DYNAMIC_CLASS(wxPostScriptDC)
  40 };
  41
  42 class WXDLLIMPEXP_CORE wxPostScriptDCImpl : public wxDCImpl
  43 {
  44 public:
  45     wxPostScriptDCImpl( wxPrinterDC *owner );
  46     wxPostScriptDCImpl( wxPrinterDC *owner, const wxPrintData& data );
  47     wxPostScriptDCImpl( wxPostScriptDC *owner );
  48     wxPostScriptDCImpl( wxPostScriptDC *owner, const wxPrintData& data );
  49
  50     void Init();
  51
  52     virtual ~wxPostScriptDCImpl();
  53
  54     virtual bool Ok() const { return IsOk(); }
  55     virtual bool IsOk() const;
  56
  57     bool CanDrawBitmap() const { return true; }
  58
  59     void Clear();
  60     void SetFont( const wxFont& font );
  61     void SetPen( const wxPen& pen );
  62     void SetBrush( const wxBrush& brush );
  63     void SetLogicalFunction( int function );
  64     void SetBackground( const wxBrush& brush );
  65
  66     void DestroyClippingRegion();
  67
  68     bool StartDoc(const wxString& message);
  69     void EndDoc();
  70     void StartPage();
  71     void EndPage();
  72
  73     wxCoord GetCharHeight() const;
  74     wxCoord GetCharWidth() const;
  75     bool CanGetTextExtent() const { return true; }
  76
  77     // Resolution in pixels per logical inch
  78     wxSize GetPPI() const;
  79
  80     virtual void ComputeScaleAndOrigin();
  81
  82     void SetBackgroundMode(int WXUNUSED(mode)) { }
  83     void SetPalette(const wxPalette& WXUNUSED(palette)) { }
  84
  85     void SetPrintData(const wxPrintData& data);
  86     wxPrintData& GetPrintData() { return m_printData; }
  87
  88     virtual int GetDepth() const { return 24; }
  89
  90     void PsPrint( const wxString& psdata );
  91
  92     // Overrridden for wxPrinterDC Impl
  93
  94     virtual int GetResolution() const;
  95     virtual wxRect GetPaperRect() const;
  96
  97 protected:
  98     bool DoFloodFill(wxCoord x1, wxCoord y1, const wxColour &col, int style = wxFLOOD_SURFACE);
  99     bool DoGetPixel(wxCoord x1, wxCoord y1, wxColour *col) const;
 100     void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
 101     void DoCrossHair(wxCoord x, wxCoord y) ;
 102     void DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc);
 103     void DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea);
 104     void DoDrawPoint(wxCoord x, wxCoord y);
 105     void DoDrawLines(int n, wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0);
 106     void DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0, int fillStyle = wxODDEVEN_RULE);
 107     void DoDrawPolyPolygon(int n, int count[], wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0, int fillStyle = wxODDEVEN_RULE);
 108     void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
 109     void DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20);
 110     void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
 111 #if wxUSE_SPLINES
 112     void DoDrawSpline(const wxPointList *points);
 113 #endif
 114     bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
 115                 wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop = wxCOPY, bool useMask = false,
 116                 wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord);
 117     void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y);
 118     void DoDrawBitmap(const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask = false);
 119     void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
 120     void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle);
 121     void DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
 122     void DoSetDeviceClippingRegion( const wxRegion &WXUNUSED(clip))
 123     {
 124         wxFAIL_MSG( "not implemented" );
 125     }
 126     void DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y,
 127                          wxCoord *descent = NULL,
 128                          wxCoord *externalLeading = NULL,
 129                          const wxFont *theFont = NULL) const;
 130     void DoGetSize(int* width, int* height) const;
 131     void DoGetSizeMM(int *width, int *height) const;
 132
 133     FILE*             m_pstream;    // PostScript output stream
 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     double            m_pageHeight;
 143
 144 private:
 145     DECLARE_DYNAMIC_CLASS(wxPostScriptDCImpl)
 146 };
 147
 148 #endif
 149     // wxUSE_POSTSCRIPT && wxUSE_PRINTING_ARCHITECTURE
 150
 151 #endif
 152         // _WX_DCPSG_H_