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