include/wx/gtk/print.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/gtk/print.h
   3 // Author:      Anthony Bretaudeau
   4 // Purpose:     GTK printing support
   5 // Created:     2007-08-25
   6 // RCS-ID:      $Id: print.h,v 1 2007-08-25 05:44:44 PC Exp $
   7 // Copyright:   (c) Anthony Bretaudeau
   8 // Licence:     wxWindows Licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifndef _WX_GTK_PRINT_H_
  12 #define _WX_GTK_PRINT_H_
  13
  14 #include "wx/defs.h"
  15
  16 #if wxUSE_GTKPRINT
  17
  18 #include "wx/print.h"
  19 #include "wx/printdlg.h"
  20 #include "wx/prntbase.h"
  21 #include "wx/dc.h"
  22 #include "wx/cairo.h"
  23
  24
  25 typedef struct _GtkPrintOperation GtkPrintOperation;
  26 typedef struct _GtkPrintContext GtkPrintContext;
  27 typedef struct _GtkPrintSettings GtkPrintSettings;
  28 typedef struct _GtkPageSetup GtkPageSetup;
  29
  30 typedef struct _cairo cairo_t;
  31
  32 //----------------------------------------------------------------------------
  33 // wxGtkPrintFactory
  34 //----------------------------------------------------------------------------
  35
  36 class wxGtkPrintFactory: public wxPrintFactory
  37 {
  38 public:
  39     virtual wxPrinterBase *CreatePrinter( wxPrintDialogData *data );
  40
  41     virtual wxPrintPreviewBase *CreatePrintPreview( wxPrintout *preview,
  42                                                     wxPrintout *printout = NULL,
  43                                                     wxPrintDialogData *data = NULL );
  44     virtual wxPrintPreviewBase *CreatePrintPreview( wxPrintout *preview,
  45                                                     wxPrintout *printout,
  46                                                     wxPrintData *data );
  47
  48     virtual wxPrintDialogBase *CreatePrintDialog( wxWindow *parent,
  49                                                   wxPrintDialogData *data = NULL );
  50     virtual wxPrintDialogBase *CreatePrintDialog( wxWindow *parent,
  51                                                   wxPrintData *data );
  52
  53     virtual wxPageSetupDialogBase *CreatePageSetupDialog( wxWindow *parent,
  54                                                           wxPageSetupDialogData * data = NULL );
  55
  56 #if wxUSE_NEW_DC
  57     virtual wxImplDC* CreatePrinterImplDC( wxPrinterDC *owner, const wxPrintData& data );
  58 #else
  59     virtual wxDC* CreatePrinterDC( const wxPrintData& data );
  60 #endif
  61
  62     virtual bool HasPrintSetupDialog();
  63     virtual wxDialog *CreatePrintSetupDialog( wxWindow *parent, wxPrintData *data );
  64     virtual bool HasOwnPrintToFile();
  65     virtual bool HasPrinterLine();
  66     virtual wxString CreatePrinterLine();
  67     virtual bool HasStatusLine();
  68     virtual wxString CreateStatusLine();
  69
  70     virtual wxPrintNativeDataBase *CreatePrintNativeData();
  71 };
  72
  73 //----------------------------------------------------------------------------
  74 // wxGtkPrintDialog
  75 //----------------------------------------------------------------------------
  76
  77 class WXDLLIMPEXP_CORE wxGtkPrintDialog: public wxPrintDialogBase
  78 {
  79 public:
  80     wxGtkPrintDialog( wxWindow *parent,
  81                          wxPrintDialogData* data = NULL );
  82     wxGtkPrintDialog( wxWindow *parent, wxPrintData* data);
  83     virtual ~wxGtkPrintDialog();
  84
  85     wxPrintData& GetPrintData()
  86         { return m_printDialogData.GetPrintData(); }
  87     wxPrintDialogData& GetPrintDialogData()
  88         { return m_printDialogData; }
  89
  90     wxDC *GetPrintDC() { return m_dc; }
  91     void SetPrintDC(wxDC * printDC) { m_dc = printDC; }
  92
  93     virtual int ShowModal();
  94
  95     virtual bool Validate() { return true; }
  96     virtual bool TransferDataToWindow() { return true; }
  97     virtual bool TransferDataFromWindow() { return true; }
  98
  99     void SetShowDialog(bool show) { m_showDialog = show; }
 100     bool GetShowDialog() { return m_showDialog; }
 101
 102 protected:
 103     // Implement some base class methods to do nothing to avoid asserts and
 104     // GTK warnings, since this is not a real wxDialog.
 105     virtual void DoSetSize(int WXUNUSED(x), int WXUNUSED(y),
 106                            int WXUNUSED(width), int WXUNUSED(height),
 107                            int WXUNUSED(sizeFlags) = wxSIZE_AUTO) {}
 108     virtual void DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y),
 109                               int WXUNUSED(width), int WXUNUSED(height)) {}
 110
 111 private:
 112     wxPrintDialogData    m_printDialogData;
 113     wxWindow            *m_parent;
 114     bool                 m_showDialog;
 115     wxDC                *m_dc;
 116
 117     DECLARE_DYNAMIC_CLASS(wxGtkPrintDialog)
 118 };
 119
 120 //----------------------------------------------------------------------------
 121 // wxGtkPageSetupDialog
 122 //----------------------------------------------------------------------------
 123
 124 class WXDLLIMPEXP_CORE wxGtkPageSetupDialog: public wxPageSetupDialogBase
 125 {
 126 public:
 127     wxGtkPageSetupDialog( wxWindow *parent,
 128                             wxPageSetupDialogData* data = NULL );
 129     virtual ~wxGtkPageSetupDialog();
 130
 131     virtual wxPageSetupDialogData& GetPageSetupDialogData() { return m_pageDialogData; }
 132
 133     virtual int ShowModal();
 134
 135     virtual bool Validate() { return true; }
 136     virtual bool TransferDataToWindow() { return true; }
 137     virtual bool TransferDataFromWindow() { return true; }
 138
 139 protected:
 140     // Implement some base class methods to do nothing to avoid asserts and
 141     // GTK warnings, since this is not a real wxDialog.
 142     virtual void DoSetSize(int WXUNUSED(x), int WXUNUSED(y),
 143                            int WXUNUSED(width), int WXUNUSED(height),
 144                            int WXUNUSED(sizeFlags) = wxSIZE_AUTO) {}
 145     virtual void DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y),
 146                               int WXUNUSED(width), int WXUNUSED(height)) {}
 147
 148 private:
 149     wxPageSetupDialogData    m_pageDialogData;
 150     wxWindow                *m_parent;
 151
 152     DECLARE_DYNAMIC_CLASS(wxGtkPageSetupDialog)
 153 };
 154
 155 //----------------------------------------------------------------------------
 156 // wxGtkPrinter
 157 //----------------------------------------------------------------------------
 158
 159 class WXDLLIMPEXP_CORE wxGtkPrinter : public wxPrinterBase
 160 {
 161 public:
 162     wxGtkPrinter(wxPrintDialogData *data = NULL);
 163     virtual ~wxGtkPrinter();
 164
 165     virtual bool Print(wxWindow *parent,
 166                        wxPrintout *printout,
 167                        bool prompt = true);
 168     virtual wxDC* PrintDialog(wxWindow *parent);
 169     virtual bool Setup(wxWindow *parent);
 170
 171     GtkPrintContext *GetPrintContext() { return m_gpc; }
 172     void SetPrintContext(GtkPrintContext *context) {m_gpc = context;}
 173     void BeginPrint(wxPrintout *printout, GtkPrintOperation *operation, GtkPrintContext *context);
 174     void DrawPage(wxPrintout *printout, GtkPrintOperation *operation, GtkPrintContext *context, int page_nr);
 175
 176 private:
 177     GtkPrintContext *m_gpc;
 178     wxDC            *m_dc;
 179
 180     DECLARE_DYNAMIC_CLASS(wxGtkPrinter)
 181     DECLARE_NO_COPY_CLASS(wxGtkPrinter)
 182 };
 183
 184 //----------------------------------------------------------------------------
 185 // wxGtkPrintNativeData
 186 //----------------------------------------------------------------------------
 187
 188 class WXDLLIMPEXP_CORE wxGtkPrintNativeData : public wxPrintNativeDataBase
 189 {
 190 public:
 191     wxGtkPrintNativeData();
 192     virtual ~wxGtkPrintNativeData();
 193
 194     virtual bool TransferTo( wxPrintData &data );
 195     virtual bool TransferFrom( const wxPrintData &data );
 196
 197     virtual bool Ok() const { return IsOk(); }
 198     virtual bool IsOk() const { return true; }
 199
 200     GtkPrintSettings* GetPrintConfig() { return m_config; }
 201     void SetPrintConfig( GtkPrintSettings * config );
 202
 203     void SetPrintJob( GtkPrintOperation *job ) { m_job = job; }
 204     GtkPrintOperation* GetPrintJob() { return m_job; }
 205
 206     GtkPrintContext *GetPrintContext() { return m_context; }
 207     void SetPrintContext(GtkPrintContext *context) {m_context = context; }
 208
 209
 210     GtkPageSetup* GetPageSetupFromSettings(GtkPrintSettings* settings);
 211     void SetPageSetupToSettings(GtkPrintSettings* settings, GtkPageSetup* page_setup);
 212
 213 private:
 214     GtkPrintSettings    *m_config;
 215     GtkPrintOperation   *m_job;
 216     GtkPrintContext     *m_context;
 217
 218     DECLARE_DYNAMIC_CLASS(wxGtkPrintNativeData)
 219 };
 220
 221 //-----------------------------------------------------------------------------
 222 // wxGtkPrinterDC
 223 //-----------------------------------------------------------------------------
 224
 225 #if wxUSE_NEW_DC
 226 class WXDLLIMPEXP_CORE wxGtkPrinterImplDC : public wxImplDC
 227 #else
 228 #define wxGtkPrinterImplDC wxGtkPrinterDC
 229 class WXDLLIMPEXP_CORE wxGtkPrinterDC : public wxDC
 230 #endif
 231 {
 232 public:
 233 #if wxUSE_NEW_DC
 234     wxGtkPrinterImplDC( wxPrinterDC *owner, const wxPrintData& data );
 235 #else
 236     wxGtkPrinterDC( const wxPrintData& data );
 237 #endif
 238     virtual ~wxGtkPrinterImplDC();
 239
 240     bool Ok() const { return IsOk(); }
 241     bool IsOk() const;
 242
 243     bool CanDrawBitmap() const { return true; }
 244     void Clear();
 245     void SetFont( const wxFont& font );
 246     void SetPen( const wxPen& pen );
 247     void SetBrush( const wxBrush& brush );
 248     void SetLogicalFunction( int function );
 249     void SetBackground( const wxBrush& brush );
 250     void DestroyClippingRegion();
 251     bool StartDoc(const wxString& message);
 252     void EndDoc();
 253     void StartPage();
 254     void EndPage();
 255     wxCoord GetCharHeight() const;
 256     wxCoord GetCharWidth() const;
 257     bool CanGetTextExtent() const { return true; }
 258     wxSize GetPPI() const;
 259     virtual int GetDepth() const { return 24; }
 260     void SetBackgroundMode(int mode);
 261     void SetPalette(const wxPalette& WXUNUSED(palette)) { }
 262     void SetResolution(int ppi);
 263
 264     // overriden for wxPrinterDC Impl
 265     virtual int GetResolution();
 266     virtual wxRect GetPaperRect();
 267
 268 protected:
 269     bool DoFloodFill(wxCoord x1, wxCoord y1, const wxColour &col, int style=wxFLOOD_SURFACE );
 270     void DoGradientFillConcentric(const wxRect& rect, const wxColour& initialColour, const wxColour& destColour, const wxPoint& circleCenter);
 271     void DoGradientFillLinear(const wxRect& rect, const wxColour& initialColour, const wxColour& destColour, wxDirection nDirection = wxEAST);
 272     bool DoGetPixel(wxCoord x1, wxCoord y1, wxColour *col) const;
 273     void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
 274     void DoCrossHair(wxCoord x, wxCoord y);
 275     void DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc);
 276     void DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea);
 277     void DoDrawPoint(wxCoord x, wxCoord y);
 278     void DoDrawLines(int n, wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0);
 279     void DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0, int fillStyle=wxODDEVEN_RULE);
 280     void DoDrawPolyPolygon(int n, int count[], wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0, int fillStyle=wxODDEVEN_RULE);
 281     void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
 282     void DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20.0);
 283     void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
 284 #if wxUSE_SPLINES
 285     void DoDrawSpline(const wxPointList *points);
 286 #endif
 287     bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
 288             wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop = wxCOPY, bool useMask = false,
 289             wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord);
 290     void DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y );
 291     void DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask = false  );
 292     void DoDrawText(const wxString& text, wxCoord x, wxCoord y );
 293     void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle);
 294     void DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
 295     void DoSetClippingRegionAsRegion( const wxRegion &WXUNUSED(clip) ) { }
 296     void DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y,
 297                      wxCoord *descent = (wxCoord *) NULL,
 298                      wxCoord *externalLeading = (wxCoord *) NULL,
 299                      const wxFont *theFont = (wxFont *) NULL ) const;
 300     void DoGetSize(int* width, int* height) const;
 301     void DoGetSizeMM(int *width, int *height) const;
 302
 303     wxPrintData& GetPrintData() { return m_printData; }
 304     void SetPrintData(const wxPrintData& data);
 305
 306 private:
 307     wxPrintData             m_printData;
 308     PangoContext           *m_context;
 309     PangoLayout            *m_layout;
 310     PangoFontDescription   *m_fontdesc;
 311     cairo_t                *m_cairo;
 312
 313     unsigned char           m_currentRed;
 314     unsigned char           m_currentGreen;
 315     unsigned char           m_currentBlue;
 316     unsigned char           m_currentAlpha;
 317
 318     GtkPrintContext        *m_gpc;
 319     int                     m_resolution;
 320     double                  m_PS2DEV;
 321     double                  m_DEV2PS;
 322
 323     DECLARE_DYNAMIC_CLASS(wxGtkPrinterImplDC)
 324     DECLARE_NO_COPY_CLASS(wxGtkPrinterImplDC)
 325 };
 326
 327 // ----------------------------------------------------------------------------
 328 // wxGtkPrintPreview: programmer creates an object of this class to preview a
 329 // wxPrintout.
 330 // ----------------------------------------------------------------------------
 331
 332 class WXDLLIMPEXP_CORE wxGtkPrintPreview : public wxPrintPreviewBase
 333 {
 334 public:
 335     wxGtkPrintPreview(wxPrintout *printout,
 336                              wxPrintout *printoutForPrinting = (wxPrintout *) NULL,
 337                              wxPrintDialogData *data = (wxPrintDialogData *) NULL);
 338     wxGtkPrintPreview(wxPrintout *printout,
 339                              wxPrintout *printoutForPrinting,
 340                              wxPrintData *data);
 341
 342     virtual ~wxGtkPrintPreview();
 343
 344     virtual bool Print(bool interactive);
 345     virtual void DetermineScaling();
 346
 347 private:
 348     void Init(wxPrintout *printout, wxPrintout *printoutForPrinting);
 349
 350     DECLARE_CLASS(wxGtkPrintPreview)
 351 };
 352
 353 #endif
 354
 355 #endif