include/wx/gtk/gnome/gprint.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/gtk/gnome/gprint.h
   3 // Author:      Robert Roebling
   4 // Purpose:     GNOME printing support
   5 // Created:     09/20/04
   6 // RCS-ID:      $Id$
   7 // Copyright:   Robert Roebling
   8 // Licence:     wxWindows Licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifndef _WX_GTK_GPRINT_H_
  12 #define _WX_GTK_GPRINT_H_
  13
  14 #include "wx/defs.h"
  15
  16 #if wxUSE_LIBGNOMEPRINT
  17
  18 #include "wx/print.h"
  19 #include "wx/printdlg.h"
  20 #include "wx/dc.h"
  21 #include "wx/module.h"
  22
  23 typedef struct _GnomePrintJob GnomePrintJob;
  24 typedef struct _GnomePrintContext GnomePrintContext;
  25 typedef struct _GnomePrintConfig GnomePrintConfig;
  26
  27 // ----------------------------------------------------------------------------
  28 // wxGnomePrintModule
  29 // ----------------------------------------------------------------------------
  30
  31 class wxGnomePrintModule: public wxModule
  32 {
  33 public:
  34     wxGnomePrintModule() {}
  35     bool OnInit();
  36     void OnExit();
  37
  38 private:
  39     DECLARE_DYNAMIC_CLASS(wxGnomePrintModule)
  40 };
  41
  42 //----------------------------------------------------------------------------
  43 // wxGnomePrintNativeData
  44 //----------------------------------------------------------------------------
  45
  46 class wxGnomePrintNativeData: public wxPrintNativeDataBase
  47 {
  48 public:
  49     wxGnomePrintNativeData();
  50     virtual ~wxGnomePrintNativeData();
  51
  52     virtual bool TransferTo( wxPrintData &data );
  53     virtual bool TransferFrom( const wxPrintData &data );
  54
  55     virtual bool Ok() const { return IsOk(); }
  56     virtual bool IsOk() const { return true; }
  57
  58     GnomePrintConfig* GetPrintConfig() { return m_config; }
  59     void SetPrintJob( GnomePrintJob *job ) { m_job = job; }
  60     GnomePrintJob* GetPrintJob() { return m_job; }
  61
  62
  63 private:
  64     GnomePrintConfig  *m_config;
  65     GnomePrintJob     *m_job;
  66
  67     DECLARE_DYNAMIC_CLASS(wxGnomePrintNativeData)
  68 };
  69
  70 //----------------------------------------------------------------------------
  71 // wxGnomePrintFactory
  72 //----------------------------------------------------------------------------
  73
  74 class wxGnomePrintFactory: public wxPrintFactory
  75 {
  76 public:
  77     virtual wxPrinterBase *CreatePrinter( wxPrintDialogData *data );
  78
  79     virtual wxPrintPreviewBase *CreatePrintPreview( wxPrintout *preview,
  80                                                     wxPrintout *printout = NULL,
  81                                                     wxPrintDialogData *data = NULL );
  82     virtual wxPrintPreviewBase *CreatePrintPreview( wxPrintout *preview,
  83                                                     wxPrintout *printout,
  84                                                     wxPrintData *data );
  85
  86     virtual wxPrintDialogBase *CreatePrintDialog( wxWindow *parent,
  87                                                   wxPrintDialogData *data = NULL );
  88     virtual wxPrintDialogBase *CreatePrintDialog( wxWindow *parent,
  89                                                   wxPrintData *data );
  90
  91     virtual wxPageSetupDialogBase *CreatePageSetupDialog( wxWindow *parent,
  92                                                           wxPageSetupDialogData * data = NULL );
  93
  94     virtual wxDC* CreatePrinterDC( const wxPrintData& data );
  95
  96     virtual bool HasPrintSetupDialog();
  97     virtual wxDialog *CreatePrintSetupDialog( wxWindow *parent, wxPrintData *data );
  98     virtual bool HasOwnPrintToFile();
  99     virtual bool HasPrinterLine();
 100     virtual wxString CreatePrinterLine();
 101     virtual bool HasStatusLine();
 102     virtual wxString CreateStatusLine();
 103
 104     virtual wxPrintNativeDataBase *CreatePrintNativeData();
 105 };
 106
 107 //----------------------------------------------------------------------------
 108 // wxGnomePrintDialog
 109 //----------------------------------------------------------------------------
 110
 111 class wxGnomePrintDialog: public wxPrintDialogBase
 112 {
 113 public:
 114     wxGnomePrintDialog( wxWindow *parent,
 115                          wxPrintDialogData* data = NULL );
 116     wxGnomePrintDialog( wxWindow *parent, wxPrintData* data);
 117     virtual ~wxGnomePrintDialog();
 118
 119     wxPrintData& GetPrintData()
 120         { return m_printDialogData.GetPrintData(); }
 121     wxPrintDialogData& GetPrintDialogData()
 122         { return m_printDialogData; }
 123
 124     wxDC *GetPrintDC();
 125
 126     virtual int ShowModal();
 127
 128     virtual bool Validate();
 129     virtual bool TransferDataToWindow();
 130     virtual bool TransferDataFromWindow();
 131
 132 protected:
 133     // Implement some base class methods to do nothing to avoid asserts and
 134     // GTK warnings, since this is not a real wxDialog.
 135     virtual void DoSetSize(int WXUNUSED(x), int WXUNUSED(y),
 136                            int WXUNUSED(width), int WXUNUSED(height),
 137                            int WXUNUSED(sizeFlags) = wxSIZE_AUTO) {}
 138     virtual void DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y),
 139                               int WXUNUSED(width), int WXUNUSED(height)) {}
 140
 141 private:
 142     void Init();
 143     wxPrintDialogData   m_printDialogData;
 144
 145     DECLARE_DYNAMIC_CLASS(wxGnomePrintDialog)
 146 };
 147
 148 //----------------------------------------------------------------------------
 149 // wxGnomePageSetupDialog
 150 //----------------------------------------------------------------------------
 151
 152 class wxGnomePageSetupDialog: public wxPageSetupDialogBase
 153 {
 154 public:
 155     wxGnomePageSetupDialog( wxWindow *parent,
 156                             wxPageSetupDialogData* data = NULL );
 157     virtual ~wxGnomePageSetupDialog();
 158
 159     virtual wxPageSetupDialogData& GetPageSetupDialogData();
 160
 161     virtual int ShowModal();
 162
 163     virtual bool Validate();
 164     virtual bool TransferDataToWindow();
 165     virtual bool TransferDataFromWindow();
 166
 167 protected:
 168     // Implement some base class methods to do nothing to avoid asserts and
 169     // GTK warnings, since this is not a real wxDialog.
 170     virtual void DoSetSize(int WXUNUSED(x), int WXUNUSED(y),
 171                            int WXUNUSED(width), int WXUNUSED(height),
 172                            int WXUNUSED(sizeFlags) = wxSIZE_AUTO) {}
 173     virtual void DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y),
 174                               int WXUNUSED(width), int WXUNUSED(height)) {}
 175
 176 private:
 177     wxPageSetupDialogData   m_pageDialogData;
 178
 179     DECLARE_DYNAMIC_CLASS(wxGnomePageSetupDialog)
 180 };
 181
 182 //----------------------------------------------------------------------------
 183 // wxGnomePrinter
 184 //----------------------------------------------------------------------------
 185
 186 class wxGnomePrinter: public wxPrinterBase
 187 {
 188 public:
 189     wxGnomePrinter(wxPrintDialogData *data = NULL);
 190     virtual ~wxGnomePrinter();
 191
 192     virtual bool Print(wxWindow *parent,
 193                        wxPrintout *printout,
 194                        bool prompt = true);
 195     virtual wxDC* PrintDialog(wxWindow *parent);
 196     virtual bool Setup(wxWindow *parent);
 197
 198 private:
 199     bool               m_native_preview;
 200
 201 private:
 202     DECLARE_DYNAMIC_CLASS(wxGnomePrinter)
 203     DECLARE_NO_COPY_CLASS(wxGnomePrinter)
 204 };
 205
 206 //-----------------------------------------------------------------------------
 207 // wxGnomePrintDC
 208 //-----------------------------------------------------------------------------
 209
 210 class wxGnomePrintDC: public wxDC
 211 {
 212 public:
 213     wxGnomePrintDC( const wxPrintData& data );
 214     virtual ~wxGnomePrintDC();
 215
 216     bool Ok() const { return IsOk(); }
 217     bool IsOk() const;
 218
 219     bool CanDrawBitmap() const { return true; }
 220     void Clear();
 221     void SetFont( const wxFont& font );
 222     void SetPen( const wxPen& pen );
 223     void SetBrush( const wxBrush& brush );
 224     void SetLogicalFunction( int function );
 225     void SetBackground( const wxBrush& brush );
 226     void DestroyClippingRegion();
 227     bool StartDoc(const wxString& message);
 228     void EndDoc();
 229     void StartPage();
 230     void EndPage();
 231     wxCoord GetCharHeight() const;
 232     wxCoord GetCharWidth() const;
 233     bool CanGetTextExtent() const { return true; }
 234     wxSize GetPPI() const;
 235     void SetAxisOrientation( bool xLeftRight, bool yBottomUp );
 236     void SetLogicalOrigin( wxCoord x, wxCoord y );
 237     void SetDeviceOrigin( wxCoord x, wxCoord y );
 238     virtual int GetDepth() const { return 24; }
 239     void SetBackgroundMode(int WXUNUSED(mode)) { }
 240     void SetPalette(const wxPalette& WXUNUSED(palette)) { }
 241     static void SetResolution(int ppi);
 242     static int GetResolution();
 243
 244 protected:
 245     bool DoFloodFill(wxCoord x1, wxCoord y1, const wxColour &col, int style=wxFLOOD_SURFACE );
 246     bool DoGetPixel(wxCoord x1, wxCoord y1, wxColour *col) const;
 247     void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
 248     void DoCrossHair(wxCoord x, wxCoord y);
 249     void DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc);
 250     void DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea);
 251     void DoDrawPoint(wxCoord x, wxCoord y);
 252     void DoDrawLines(int n, wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0);
 253     void DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0, int fillStyle=wxODDEVEN_RULE);
 254     void DoDrawPolyPolygon(int n, int count[], wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0, int fillStyle=wxODDEVEN_RULE);
 255     void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
 256     void DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20.0);
 257     void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
 258 #if wxUSE_SPLINES
 259     void DoDrawSpline(wxList *points);
 260 #endif // wxUSE_SPLINES
 261     bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
 262             wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop = wxCOPY, bool useMask = false,
 263             wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord);
 264     void DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y );
 265     void DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask = false  );
 266     void DoDrawText(const wxString& text, wxCoord x, wxCoord y );
 267     void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle);
 268     void DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
 269     void DoSetClippingRegionAsRegion( const wxRegion &WXUNUSED(clip) ) { }
 270     void DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y,
 271                      wxCoord *descent = (wxCoord *) NULL,
 272                      wxCoord *externalLeading = (wxCoord *) NULL,
 273                      const wxFont *theFont = (wxFont *) NULL ) const;
 274     void DoGetSize(int* width, int* height) const;
 275     void DoGetSizeMM(int *width, int *height) const;
 276
 277     void SetPrintData(const wxPrintData& data);
 278     wxPrintData& GetPrintData() { return m_printData; }
 279
 280 private:
 281     static float ms_PSScaleFactor;
 282
 283 private:
 284     wxPrintData             m_printData;
 285     PangoContext           *m_context;
 286     PangoLayout            *m_layout;
 287     PangoFontDescription   *m_fontdesc;
 288
 289     unsigned char           m_currentRed;
 290     unsigned char           m_currentGreen;
 291     unsigned char           m_currentBlue;
 292
 293     int                     m_deviceOffsetY;
 294
 295     GnomePrintContext      *m_gpc;
 296     GnomePrintJob*          m_job;
 297
 298     void makeEllipticalPath(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
 299
 300 private:
 301     wxCoord XDEV2LOG(wxCoord x) const
 302     {
 303         return wxRound((double)(x - m_deviceOriginX) / m_scaleX) * m_signX + m_logicalOriginX;
 304     }
 305     wxCoord XDEV2LOGREL(wxCoord x) const
 306     {
 307         return wxRound((double)(x) / m_scaleX);
 308     }
 309     wxCoord YDEV2LOG(wxCoord y) const
 310     {
 311         return wxRound((double)(y + m_deviceOriginY - m_deviceOffsetY) / m_scaleY) * m_signY + m_logicalOriginY;
 312     }
 313     wxCoord YDEV2LOGREL(wxCoord y) const
 314     {
 315         return wxRound((double)(y) / m_scaleY);
 316     }
 317     wxCoord XLOG2DEV(wxCoord x) const
 318     {
 319         return wxRound((double)(x - m_logicalOriginX) * m_scaleX) * m_signX + m_deviceOriginX;
 320     }
 321     wxCoord XLOG2DEVREL(wxCoord x) const
 322     {
 323         return wxRound((double)(x) * m_scaleX);
 324     }
 325     wxCoord YLOG2DEV(wxCoord y) const
 326     {
 327         return wxRound((double)(y - m_logicalOriginY) * m_scaleY) * m_signY - m_deviceOriginY + m_deviceOffsetY;
 328     }
 329     wxCoord YLOG2DEVREL(wxCoord y) const
 330     {
 331         return wxRound((double)(y) * m_scaleY);
 332     }
 333 private:
 334     DECLARE_DYNAMIC_CLASS(wxGnomePrintDC)
 335     DECLARE_NO_COPY_CLASS(wxGnomePrintDC)
 336 };
 337
 338 // ----------------------------------------------------------------------------
 339 // wxGnomePrintPreview: programmer creates an object of this class to preview a
 340 // wxPrintout.
 341 // ----------------------------------------------------------------------------
 342
 343 class wxGnomePrintPreview : public wxPrintPreviewBase
 344 {
 345 public:
 346     wxGnomePrintPreview(wxPrintout *printout,
 347                              wxPrintout *printoutForPrinting = (wxPrintout *) NULL,
 348                              wxPrintDialogData *data = (wxPrintDialogData *) NULL);
 349     wxGnomePrintPreview(wxPrintout *printout,
 350                              wxPrintout *printoutForPrinting,
 351                              wxPrintData *data);
 352
 353     virtual ~wxGnomePrintPreview();
 354
 355     virtual bool Print(bool interactive);
 356     virtual void DetermineScaling();
 357
 358 private:
 359     void Init(wxPrintout *printout, wxPrintout *printoutForPrinting);
 360
 361 private:
 362     DECLARE_CLASS(wxGnomePrintPreview)
 363 };
 364
 365
 366 #endif
 367     // wxUSE_LIBGNOMEPRINT
 368
 369 #endif