include/wx/generic/dcpsg.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/generic/dcpsg.h
   3 // Purpose:     wxPostScriptDC class
   4 // Author:      Julian Smart and others
   5 // Modified by:
   6 // Copyright:   (c) Julian Smart and Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #ifndef _WX_DCPSG_H_
  11 #define _WX_DCPSG_H_
  12
  13 #include "wx/defs.h"
  14
  15 #if wxUSE_PRINTING_ARCHITECTURE && wxUSE_POSTSCRIPT
  16
  17 #include "wx/dc.h"
  18 #include "wx/dcprint.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
  29 class WXDLLIMPEXP_CORE wxPostScriptDC : public wxDC
  30 {
  31 public:
  32     wxPostScriptDC();
  33
  34     // Recommended constructor
  35     wxPostScriptDC(const wxPrintData& printData);
  36
  37 private:
  38     DECLARE_DYNAMIC_CLASS(wxPostScriptDC)
  39 };
  40
  41 class WXDLLIMPEXP_CORE wxPostScriptDCImpl : public wxDCImpl
  42 {
  43 public:
  44     wxPostScriptDCImpl( wxPrinterDC *owner );
  45     wxPostScriptDCImpl( wxPrinterDC *owner, const wxPrintData& data );
  46     wxPostScriptDCImpl( wxPostScriptDC *owner );
  47     wxPostScriptDCImpl( wxPostScriptDC *owner, const wxPrintData& data );
  48
  49     void Init();
  50
  51     virtual ~wxPostScriptDCImpl();
  52
  53     virtual bool Ok() const { return IsOk(); }
  54     virtual bool IsOk() const;
  55
  56     bool CanDrawBitmap() const { return true; }
  57
  58     void Clear();
  59     void SetFont( const wxFont& font );
  60     void SetPen( const wxPen& pen );
  61     void SetBrush( const wxBrush& brush );
  62     void SetLogicalFunction( wxRasterOperationMode function );
  63     void SetBackground( const wxBrush& brush );
  64
  65     void DestroyClippingRegion();
  66
  67     bool StartDoc(const wxString& message);
  68     void EndDoc();
  69     void StartPage();
  70     void EndPage();
  71
  72     wxCoord GetCharHeight() const;
  73     wxCoord GetCharWidth() const;
  74     bool CanGetTextExtent() const { return true; }
  75
  76     // Resolution in pixels per logical inch
  77     wxSize GetPPI() const;
  78
  79     virtual void ComputeScaleAndOrigin();
  80
  81     void SetBackgroundMode(int WXUNUSED(mode)) { }
  82     void SetPalette(const wxPalette& WXUNUSED(palette)) { }
  83
  84     void SetPrintData(const wxPrintData& data);
  85     wxPrintData& GetPrintData() { return m_printData; }
  86
  87     virtual int GetDepth() const { return 24; }
  88
  89     void PsPrint( const wxString& psdata );
  90
  91     // Overrridden for wxPrinterDC Impl
  92
  93     virtual int GetResolution() const;
  94     virtual wxRect GetPaperRect() const;
  95
  96     virtual void* GetHandle() const { return NULL; }
  97
  98 protected:
  99     bool DoFloodFill(wxCoord x1, wxCoord y1, const wxColour &col,
 100                      wxFloodFillStyle 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, const wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0);
 108     void DoDrawPolygon(int n, const wxPoint points[],
 109                        wxCoord xoffset = 0, wxCoord yoffset = 0,
 110                        wxPolygonFillMode fillStyle = wxODDEVEN_RULE);
 111     void DoDrawPolyPolygon(int n, const int count[], const wxPoint points[],
 112                            wxCoord xoffset = 0, wxCoord yoffset = 0,
 113                            wxPolygonFillMode fillStyle = wxODDEVEN_RULE);
 114     void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
 115     void DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20);
 116     void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
 117 #if wxUSE_SPLINES
 118     void DoDrawSpline(const wxPointList *points);
 119 #endif
 120     bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
 121                 wxDC *source, wxCoord xsrc, wxCoord ysrc,
 122                 wxRasterOperationMode rop = wxCOPY, bool useMask = false,
 123                 wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord);
 124     void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y);
 125     void DoDrawBitmap(const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask = false);
 126     void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
 127     void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle);
 128     void DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
 129     void DoSetDeviceClippingRegion( const wxRegion &WXUNUSED(clip))
 130     {
 131         wxFAIL_MSG( "not implemented" );
 132     }
 133     void DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y,
 134                          wxCoord *descent = NULL,
 135                          wxCoord *externalLeading = NULL,
 136                          const wxFont *theFont = NULL) const;
 137     void DoGetSize(int* width, int* height) const;
 138     void DoGetSizeMM(int *width, int *height) const;
 139
 140     FILE*             m_pstream;    // PostScript output stream
 141     unsigned char     m_currentRed;
 142     unsigned char     m_currentGreen;
 143     unsigned char     m_currentBlue;
 144     int               m_pageNumber;
 145     bool              m_clipping;
 146     double            m_underlinePosition;
 147     double            m_underlineThickness;
 148     wxPrintData       m_printData;
 149     double            m_pageHeight;
 150
 151 private:
 152     DECLARE_DYNAMIC_CLASS(wxPostScriptDCImpl)
 153 };
 154
 155 #endif
 156     // wxUSE_POSTSCRIPT && wxUSE_PRINTING_ARCHITECTURE
 157
 158 #endif
 159         // _WX_DCPSG_H_