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 wxFormatString&),
  99                                DoPsPrintfFormatWchar, DoPsPrintfFormatUtf8)
 100 #ifdef __WATCOMC__
 101     // workaround for http://bugzilla.openwatcom.org/show_bug.cgi?id=351
 102     WX_VARARG_WATCOM_WORKAROUND(void, PsPrintf, 1, (const wxString&),
 103                                 (wxFormatString(f1)));
 104     WX_VARARG_WATCOM_WORKAROUND(void, PsPrintf, 1, (const wxCStrData&),
 105                                 (wxFormatString(f1)));
 106     WX_VARARG_WATCOM_WORKAROUND(void, PsPrintf, 1, (const char*),
 107                                 (wxFormatString(f1)));
 108     WX_VARARG_WATCOM_WORKAROUND(void, PsPrintf, 1, (const wchar_t*),
 109                                 (wxFormatString(f1)));
 110 #endif
 111
 112     void PsPrint( const wxString& psdata );
 113     void PsPrint( int ch );
 114
 115 private:
 116 #if !wxUSE_UTF8_LOCALE_ONLY
 117     void DoPsPrintfFormatWchar(const wxChar *fmt, ... );
 118 #endif
 119 #if wxUSE_UNICODE_UTF8
 120     void DoPsPrintfFormatUtf8(const char *fmt, ... );
 121 #endif
 122
 123     static float ms_PSScaleFactor;
 124
 125 protected:
 126     bool DoFloodFill(wxCoord x1, wxCoord y1, const wxColour &col, int style = wxFLOOD_SURFACE);
 127     bool DoGetPixel(wxCoord x1, wxCoord y1, wxColour *col) const;
 128     void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
 129     void DoCrossHair(wxCoord x, wxCoord y) ;
 130     void DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc);
 131     void DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea);
 132     void DoDrawPoint(wxCoord x, wxCoord y);
 133     void DoDrawLines(int n, wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0);
 134     void DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0, int fillStyle = wxODDEVEN_RULE);
 135     void DoDrawPolyPolygon(int n, int count[], wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0, int fillStyle = wxODDEVEN_RULE);
 136     void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
 137     void DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20);
 138     void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
 139 #if wxUSE_SPLINES
 140     void DoDrawSpline(wxList *points);
 141 #endif // wxUSE_SPLINES
 142     bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
 143                 wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop = wxCOPY, bool useMask = false,
 144                 wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord);
 145     void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y);
 146     void DoDrawBitmap(const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask = false);
 147     void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
 148     void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle);
 149     void DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
 150     void DoSetClippingRegionAsRegion( const wxRegion &WXUNUSED(clip)) { }
 151     void DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y,
 152                          wxCoord *descent = NULL,
 153                          wxCoord *externalLeading = NULL,
 154                          const wxFont *theFont = NULL) const;
 155     void DoGetSize(int* width, int* height) const;
 156     void DoGetSizeMM(int *width, int *height) const;
 157
 158     FILE*             m_pstream;    // PostScript output stream
 159     wxString          m_title;
 160     unsigned char     m_currentRed;
 161     unsigned char     m_currentGreen;
 162     unsigned char     m_currentBlue;
 163     int               m_pageNumber;
 164     bool              m_clipping;
 165     double            m_underlinePosition;
 166     double            m_underlineThickness;
 167     wxPrintData       m_printData;
 168
 169 private:
 170     DECLARE_DYNAMIC_CLASS(wxPostScriptDC)
 171 };
 172
 173 #endif
 174     // wxUSE_POSTSCRIPT
 175
 176 #endif
 177     // wxUSE_PRINTING_ARCHITECTURE
 178
 179 #endif
 180         // _WX_DCPSG_H_