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