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     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     // overridden because origin is bottom left and
  75     // axes are inverted
  76     void SetAxisOrientation( bool xLeftRight, bool yBottomUp );
  77
  78     // these need to be overridden as wxPostscriptDC inherits
  79     // from the platform dependent wxDC and this we'd call
  80     // e.g. wxMSW specific code here.
  81     virtual void SetMapMode(int mode);
  82     virtual void SetUserScale(double x, double y);
  83     virtual void SetLogicalScale(double x, double y);
  84     virtual void SetLogicalOrigin(wxCoord x, wxCoord y);
  85     virtual void SetDeviceOrigin(wxCoord x, wxCoord y);
  86
  87     void SetBackgroundMode(int WXUNUSED(mode)) { }
  88     void SetPalette(const wxPalette& WXUNUSED(palette)) { }
  89
  90     void SetPrintData(const wxPrintData& data);
  91     wxPrintData& GetPrintData() { return m_printData; }
  92
  93     virtual int GetDepth() const { return 24; }
  94
  95     static void SetResolution(int ppi);
  96     static int GetResolution();
  97
  98     WX_DEFINE_VARARG_FUNC_VOID(PsPrintf, 1, (const wxString&), DoPsPrintfFormat)
  99 #ifdef __WATCOMC__
 100     // workaround for http://bugzilla.openwatcom.org/show_bug.cgi?id=351
 101     WX_DEFINE_VARARG_FUNC_VOID(PsPrintf, 1, (const char*), DoPsPrintfFormat)
 102     WX_DEFINE_VARARG_FUNC_VOID(PsPrintf, 1, (const wchar_t*), DoPsPrintfFormat)
 103 #endif
 104     void PsPrint( const wxString& psdata );
 105     void PsPrint( int ch );
 106
 107 private:
 108     void DoPsPrintfFormat(const wxString& fmt, ... );
 109
 110     static float ms_PSScaleFactor;
 111
 112 protected:
 113     bool DoFloodFill(wxCoord x1, wxCoord y1, const wxColour &col, int style = wxFLOOD_SURFACE);
 114     bool DoGetPixel(wxCoord x1, wxCoord y1, wxColour *col) const;
 115     void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
 116     void DoCrossHair(wxCoord x, wxCoord y) ;
 117     void DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc);
 118     void DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea);
 119     void DoDrawPoint(wxCoord x, wxCoord y);
 120     void DoDrawLines(int n, wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0);
 121     void DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0, int fillStyle = wxODDEVEN_RULE);
 122     void DoDrawPolyPolygon(int n, int count[], wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0, int fillStyle = wxODDEVEN_RULE);
 123     void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
 124     void DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20);
 125     void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
 126 #if wxUSE_SPLINES
 127     void DoDrawSpline(wxList *points);
 128 #endif // wxUSE_SPLINES
 129     bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
 130                 wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop = wxCOPY, bool useMask = false,
 131                 wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord);
 132     void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y);
 133     void DoDrawBitmap(const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask = false);
 134     void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
 135     void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle);
 136     void DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
 137     void DoSetClippingRegionAsRegion( const wxRegion &WXUNUSED(clip)) { }
 138     void DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y,
 139                          wxCoord *descent = NULL,
 140                          wxCoord *externalLeading = NULL,
 141                          const wxFont *theFont = NULL) const;
 142     void DoGetSize(int* width, int* height) const;
 143     void DoGetSizeMM(int *width, int *height) const;
 144
 145     FILE*             m_pstream;    // PostScript output stream
 146     wxString          m_title;
 147     unsigned char     m_currentRed;
 148     unsigned char     m_currentGreen;
 149     unsigned char     m_currentBlue;
 150     int               m_pageNumber;
 151     bool              m_clipping;
 152     double            m_underlinePosition;
 153     double            m_underlineThickness;
 154     wxPrintData       m_printData;
 155
 156 private:
 157     DECLARE_DYNAMIC_CLASS(wxPostScriptDC)
 158 };
 159
 160 #endif
 161     // wxUSE_POSTSCRIPT
 162
 163 #endif
 164     // wxUSE_PRINTING_ARCHITECTURE
 165
 166 #endif
 167         // _WX_DCPSG_H_