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