include/wx/gtk/gnome/gprint.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        gprint.h
   3 // Author:      Robert Roebling
   4 // Purpose:     GNOME printing support
   5 // Created:     09/20/04
   6 // Copyright:   Robert Roebling
   7 // Licence:     wxWindows Licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #ifndef __gprint_H__
  11 #define __gprint_H__
  12
  13 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  14 #pragma interface
  15 #endif
  16
  17 // Include wxWindows' headers
  18
  19 #ifndef WX_PRECOMP
  20     #include <wx/wx.h>
  21 #endif
  22
  23 #if wxUSE_LIBGNOMEPRINT
  24
  25 #include "wx/print.h"
  26 #include "wx/prntbase.h"
  27 #include "wx/printdlg.h"
  28
  29 typedef struct _GnomePrintJob GnomePrintJob;
  30 typedef struct _GnomePrintContext GnomePrintContext;
  31 typedef struct _GnomePrintConfig GnomePrintConfig;
  32
  33 //----------------------------------------------------------------------------
  34 // wxGnomePrintNativeData
  35 //----------------------------------------------------------------------------
  36
  37 class wxGnomePrintNativeData: public wxPrintNativeDataBase
  38 {
  39 public:
  40     wxGnomePrintNativeData();
  41     virtual ~wxGnomePrintNativeData();
  42
  43     virtual bool TransferTo( wxPrintData &data );
  44     virtual bool TransferFrom( const wxPrintData &data );
  45
  46     virtual bool Ok() const { return true; }
  47
  48     GnomePrintConfig* GetPrintConfig() { return m_config; }
  49     GnomePrintJob* GetPrintJob() { return m_job; }
  50
  51
  52 private:
  53     GnomePrintConfig  *m_config;
  54     GnomePrintJob     *m_job;
  55
  56 private:
  57     DECLARE_DYNAMIC_CLASS(wxGnomePrintNativeData)
  58 };
  59
  60 //----------------------------------------------------------------------------
  61 // wxGnomePrintFactory
  62 //----------------------------------------------------------------------------
  63
  64 class wxGnomePrintFactory: public wxPrintFactory
  65 {
  66 public:
  67     virtual wxPrinterBase *CreatePrinter( wxPrintDialogData *data );
  68
  69     virtual wxPrintPreviewBase *CreatePrintPreview( wxPrintout *preview,
  70                                                     wxPrintout *printout = NULL,
  71                                                     wxPrintDialogData *data = NULL );
  72     virtual wxPrintPreviewBase *CreatePrintPreview( wxPrintout *preview,
  73                                                     wxPrintout *printout,
  74                                                     wxPrintData *data );
  75
  76     virtual wxPrintDialogBase *CreatePrintDialog( wxWindow *parent,
  77                                                   wxPrintDialogData *data = NULL );
  78     virtual wxPrintDialogBase *CreatePrintDialog( wxWindow *parent,
  79                                                   wxPrintData *data );
  80
  81     virtual bool HasPrintSetupDialog();
  82     virtual wxDialog *CreatePrintSetupDialog( wxWindow *parent, wxPrintData *data );
  83     virtual bool HasOwnPrintToFile();
  84     virtual bool HasPrinterLine();
  85     virtual wxString CreatePrinterLine();
  86     virtual bool HasStatusLine();
  87     virtual wxString CreateStatusLine();
  88
  89     virtual wxPrintNativeDataBase *CreatePrintNativeData();
  90 };
  91
  92 //----------------------------------------------------------------------------
  93 // wxGnomePrintSetupDialog
  94 //----------------------------------------------------------------------------
  95
  96 class wxGnomePrintSetupDialog: public wxDialog
  97 {
  98 public:
  99     wxGnomePrintSetupDialog( wxWindow *parent, wxPrintData *data );
 100     ~wxGnomePrintSetupDialog();
 101
 102     virtual int ShowModal();
 103
 104     virtual bool Validate();
 105     virtual bool TransferDataToWindow();
 106     virtual bool TransferDataFromWindow();
 107
 108 private:
 109     // Implement some base class methods to do nothing to avoid asserts and
 110     // GTK warnings, since this is not a real wxDialog.
 111     virtual void DoSetSize(int WXUNUSED(x), int WXUNUSED(y),
 112                            int WXUNUSED(width), int WXUNUSED(height),
 113                            int WXUNUSED(sizeFlags) = wxSIZE_AUTO) {}
 114     virtual void DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y),
 115                               int WXUNUSED(width), int WXUNUSED(height)) {}
 116 private:
 117     DECLARE_DYNAMIC_CLASS(wxGnomePrintSetupDialog)
 118 };
 119
 120 //----------------------------------------------------------------------------
 121 // wxGnomePrinter
 122 //----------------------------------------------------------------------------
 123
 124 class wxGnomePrinter: public wxPrinterBase
 125 {
 126 public:
 127     wxGnomePrinter(wxPrintDialogData *data = NULL);
 128     virtual ~wxGnomePrinter();
 129
 130     virtual bool Print(wxWindow *parent,
 131                        wxPrintout *printout,
 132                        bool prompt = true);
 133     virtual wxDC* PrintDialog(wxWindow *parent);
 134     virtual bool Setup(wxWindow *parent);
 135
 136     GnomePrintContext *GetPrintContext() { return m_gpc; }
 137
 138 private:
 139     GnomePrintContext *m_gpc;
 140
 141 private:
 142     DECLARE_DYNAMIC_CLASS(wxGnomePrinter)
 143     DECLARE_NO_COPY_CLASS(wxGnomePrinter)
 144 };
 145
 146 //-----------------------------------------------------------------------------
 147 // wxGnomePrintDC
 148 //-----------------------------------------------------------------------------
 149
 150 class wxGnomePrintDC: public wxDC
 151 {
 152 public:
 153     wxGnomePrintDC( wxGnomePrinter *printer );
 154     ~wxGnomePrintDC();
 155
 156     bool Ok() const;
 157
 158     virtual void BeginDrawing() {}
 159     virtual void EndDrawing() {}
 160
 161     bool DoFloodFill(wxCoord x1, wxCoord y1, const wxColour &col, int style=wxFLOOD_SURFACE );
 162     bool DoGetPixel(wxCoord x1, wxCoord y1, wxColour *col) const;
 163     void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
 164     void DoCrossHair(wxCoord x, wxCoord y);
 165     void DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc);
 166     void DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea);
 167     void DoDrawPoint(wxCoord x, wxCoord y);
 168     void DoDrawLines(int n, wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0);
 169     void DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0, int fillStyle=wxODDEVEN_RULE);
 170     void DoDrawPolyPolygon(int n, int count[], wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0, int fillStyle=wxODDEVEN_RULE);
 171     void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
 172     void DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20.0);
 173     void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
 174     void DoDrawSpline(wxList *points);
 175
 176     bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
 177             wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop = wxCOPY, bool useMask = false,
 178             wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord);
 179     void DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y );
 180     void DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask = false  );
 181     bool CanDrawBitmap() const { return true; }
 182
 183     void DoDrawText(const wxString& text, wxCoord x, wxCoord y );
 184     void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle);
 185     void Clear();
 186     void SetFont( const wxFont& font );
 187     void SetPen( const wxPen& pen );
 188     void SetBrush( const wxBrush& brush );
 189     void SetLogicalFunction( int function );
 190     void SetBackground( const wxBrush& brush );
 191
 192     void DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
 193     void DestroyClippingRegion();
 194     void DoSetClippingRegionAsRegion( const wxRegion &WXUNUSED(clip) ) { }
 195
 196     bool StartDoc(const wxString& message);
 197     void EndDoc();
 198     void StartPage();
 199     void EndPage();
 200
 201     wxCoord GetCharHeight() const;
 202     wxCoord GetCharWidth() const;
 203     bool CanGetTextExtent() const { return true; }
 204     void DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y,
 205                      wxCoord *descent = (wxCoord *) NULL,
 206                      wxCoord *externalLeading = (wxCoord *) NULL,
 207                      wxFont *theFont = (wxFont *) NULL ) const;
 208
 209     void DoGetSize(int* width, int* height) const;
 210     void DoGetSizeMM(int *width, int *height) const;
 211     wxSize GetPPI() const;
 212     void SetAxisOrientation( bool xLeftRight, bool yBottomUp );
 213     void SetDeviceOrigin( wxCoord x, wxCoord y );
 214
 215     virtual int GetDepth() const { return 24; }
 216
 217     void SetBackgroundMode(int WXUNUSED(mode)) { }
 218     void SetPalette(const wxPalette& WXUNUSED(palette)) { }
 219
 220     wxPrintData& GetPrintData() { return m_printData; }
 221     void SetPrintData(const wxPrintData& data) { m_printData = data; }
 222
 223     static void SetResolution(int ppi);
 224     static int GetResolution();
 225
 226 private:
 227     static float ms_PSScaleFactor;
 228
 229 private:
 230     PangoContext           *m_context;
 231     PangoLayout            *m_layout;
 232     PangoFontDescription   *m_fontdesc;
 233
 234     unsigned char           m_currentRed;
 235     unsigned char           m_currentGreen;
 236     unsigned char           m_currentBlue;
 237     wxPrintData             m_printData;
 238
 239     wxGnomePrinter         *m_printer;
 240     GnomePrintContext      *m_gpc;
 241
 242 private:
 243     wxCoord XDEV2LOG(wxCoord x) const
 244     {
 245         wxCoord new_x = x - m_deviceOriginX;
 246         if (new_x > 0)
 247             return (wxCoord)((double)(new_x) / m_scaleX + 0.5) * m_signX + m_logicalOriginX;
 248         else
 249             return (wxCoord)((double)(new_x) / m_scaleX - 0.5) * m_signX + m_logicalOriginX;
 250     }
 251     wxCoord XDEV2LOGREL(wxCoord x) const
 252     {
 253         if (x > 0)
 254             return (wxCoord)((double)(x) / m_scaleX + 0.5);
 255         else
 256             return (wxCoord)((double)(x) / m_scaleX - 0.5);
 257     }
 258     wxCoord YDEV2LOG(wxCoord y) const
 259     {
 260         wxCoord new_y = y - m_deviceOriginY;
 261         if (new_y > 0)
 262             return (wxCoord)((double)(new_y) / m_scaleY + 0.5) * m_signY + m_logicalOriginY;
 263         else
 264             return (wxCoord)((double)(new_y) / m_scaleY - 0.5) * m_signY + m_logicalOriginY;
 265     }
 266     wxCoord YDEV2LOGREL(wxCoord y) const
 267     {
 268         if (y > 0)
 269             return (wxCoord)((double)(y) / m_scaleY + 0.5);
 270         else
 271             return (wxCoord)((double)(y) / m_scaleY - 0.5);
 272     }
 273     wxCoord XLOG2DEV(wxCoord x) const
 274     {
 275         wxCoord new_x = x - m_logicalOriginX;
 276         if (new_x > 0)
 277             return (wxCoord)((double)(new_x) * m_scaleX + 0.5) * m_signX + m_deviceOriginX;
 278         else
 279             return (wxCoord)((double)(new_x) * m_scaleX - 0.5) * m_signX + m_deviceOriginX;
 280     }
 281     wxCoord XLOG2DEVREL(wxCoord x) const
 282     {
 283         if (x > 0)
 284             return (wxCoord)((double)(x) * m_scaleX + 0.5);
 285         else
 286             return (wxCoord)((double)(x) * m_scaleX - 0.5);
 287     }
 288     wxCoord YLOG2DEV(wxCoord y) const
 289     {
 290         wxCoord new_y = y - m_logicalOriginY;
 291         if (new_y > 0)
 292             return (wxCoord)((double)(new_y) * m_scaleY + 0.5) * m_signY + m_deviceOriginY;
 293         else
 294             return (wxCoord)((double)(new_y) * m_scaleY - 0.5) * m_signY + m_deviceOriginY;
 295     }
 296     wxCoord YLOG2DEVREL(wxCoord y) const
 297     {
 298         if (y > 0)
 299             return (wxCoord)((double)(y) * m_scaleY + 0.5);
 300         else
 301             return (wxCoord)((double)(y) * m_scaleY - 0.5);
 302     }
 303 private:
 304     DECLARE_DYNAMIC_CLASS(wxGnomePrintDC)
 305     DECLARE_NO_COPY_CLASS(wxGnomePrintDC)
 306 };
 307
 308 #endif
 309     // wxUSE_LIBGNOMEPRINT
 310
 311 #endif