include/wx/gtk/gnome/gprint.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        gprint.h
   3 // Author:      Robert Roebling
   4 // Purpose:     GNOME printing support
   5 // Created:     09/20/04
   6 // Copyright:   Robert Roebling
   7 /////////////////////////////////////////////////////////////////////////////
   8
   9 #ifndef __gprint_H__
  10 #define __gprint_H__
  11
  12 #if defined(__GNUG__) && !defined(__APPLE__)
  13     #pragma interface "gprint.h"
  14 #endif
  15
  16 // Include wxWindows' headers
  17
  18 #ifndef WX_PRECOMP
  19     #include <wx/wx.h>
  20 #endif
  21
  22 #include "wx/print.h"
  23 #include "wx/prntbase.h"
  24 #include "wx/printdlg.h"
  25
  26 typedef struct _GnomePrintJob GnomePrintJob;
  27 typedef struct _GnomePrintContext GnomePrintContext;
  28 typedef struct _GnomePrintConfig GnomePrintConfig;
  29
  30 //----------------------------------------------------------------------------
  31 // wxGnomePrintNativeData
  32 //----------------------------------------------------------------------------
  33
  34 class wxGnomePrintNativeData: public wxPrintNativeDataBase
  35 {
  36 public:
  37     wxGnomePrintNativeData();
  38     virtual ~wxGnomePrintNativeData();
  39
  40     virtual bool TransferTo( wxPrintData &data );
  41     virtual bool TransferFrom( const wxPrintData &data );
  42
  43     virtual bool Ok() const { return true; }
  44
  45     GnomePrintConfig* GetPrintConfig() { return m_config; }
  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 bool HasPrintSetupDialog();
  79     virtual wxDialog *CreatePrintSetupDialog( wxWindow *parent, wxPrintData *data );
  80     virtual bool HasOwnPrintToFile();
  81     virtual bool HasPrinterLine();
  82     virtual wxString CreatePrinterLine();
  83     virtual bool HasStatusLine();
  84     virtual wxString CreateStatusLine();
  85
  86     virtual wxPrintNativeDataBase *CreatePrintNativeData();
  87 };
  88
  89 //----------------------------------------------------------------------------
  90 // wxGnomePrintSetupDialog
  91 //----------------------------------------------------------------------------
  92
  93 class wxGnomePrintSetupDialog: public wxDialog
  94 {
  95 public:
  96     wxGnomePrintSetupDialog( wxWindow *parent, wxPrintData *data );
  97     ~wxGnomePrintSetupDialog();
  98
  99     virtual int ShowModal();
 100
 101     virtual bool Validate();
 102     virtual bool TransferDataToWindow();
 103     virtual bool TransferDataFromWindow();
 104
 105 private:
 106     // Implement some base class methods to do nothing to avoid asserts and
 107     // GTK warnings, since this is not a real wxDialog.
 108     virtual void DoSetSize(int WXUNUSED(x), int WXUNUSED(y),
 109                            int WXUNUSED(width), int WXUNUSED(height),
 110                            int WXUNUSED(sizeFlags) = wxSIZE_AUTO) {}
 111     virtual void DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y),
 112                               int WXUNUSED(width), int WXUNUSED(height)) {}
 113 private:
 114     DECLARE_DYNAMIC_CLASS(wxGnomePrintSetupDialog)
 115 };
 116
 117 //----------------------------------------------------------------------------
 118 // wxGnomePrinter
 119 //----------------------------------------------------------------------------
 120
 121 class wxGnomePrinter: public wxPrinterBase
 122 {
 123 public:
 124     wxGnomePrinter(wxPrintDialogData *data = NULL);
 125     virtual ~wxGnomePrinter();
 126
 127     virtual bool Print(wxWindow *parent,
 128                        wxPrintout *printout,
 129                        bool prompt = true);
 130     virtual wxDC* PrintDialog(wxWindow *parent);
 131     virtual bool Setup(wxWindow *parent);
 132
 133     GnomePrintContext *GetPrintContext() { return m_gpc; }
 134
 135 private:
 136     GnomePrintContext *m_gpc;
 137
 138 private:
 139     DECLARE_DYNAMIC_CLASS(wxGnomePrinter)
 140     DECLARE_NO_COPY_CLASS(wxGnomePrinter)
 141 };
 142
 143 //-----------------------------------------------------------------------------
 144 // wxGnomePrintDC
 145 //-----------------------------------------------------------------------------
 146
 147 class wxGnomePrintDC: public wxDC
 148 {
 149 public:
 150     wxGnomePrintDC( wxGnomePrinter *printer );
 151     ~wxGnomePrintDC();
 152
 153     bool Ok() const;
 154
 155     virtual void BeginDrawing() {}
 156     virtual void EndDrawing() {}
 157
 158     bool DoFloodFill(wxCoord x1, wxCoord y1, const wxColour &col, int style=wxFLOOD_SURFACE );
 159     bool DoGetPixel(wxCoord x1, wxCoord y1, wxColour *col) const;
 160     void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
 161     void DoCrossHair(wxCoord x, wxCoord y);
 162     void DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc);
 163     void DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea);
 164     void DoDrawPoint(wxCoord x, wxCoord y);
 165     void DoDrawLines(int n, wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0);
 166     void DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0, int fillStyle=wxODDEVEN_RULE);
 167     void DoDrawPolyPolygon(int n, int count[], wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0, int fillStyle=wxODDEVEN_RULE);
 168     void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
 169     void DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20.0);
 170     void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
 171     void DoDrawSpline(wxList *points);
 172
 173     bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
 174             wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop = wxCOPY, bool useMask = false,
 175             wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord);
 176     void DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y );
 177     void DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask = false  );
 178     bool CanDrawBitmap() const { return true; }
 179
 180     void DoDrawText(const wxString& text, wxCoord x, wxCoord y );
 181     void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle);
 182     void Clear();
 183     void SetFont( const wxFont& font );
 184     void SetPen( const wxPen& pen );
 185     void SetBrush( const wxBrush& brush );
 186     void SetLogicalFunction( int function );
 187     void SetBackground( const wxBrush& brush );
 188
 189     void DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
 190     void DestroyClippingRegion();
 191     void DoSetClippingRegionAsRegion( const wxRegion &WXUNUSED(clip) ) { }
 192
 193     bool StartDoc(const wxString& message);
 194     void EndDoc();
 195     void StartPage();
 196     void EndPage();
 197
 198     wxCoord GetCharHeight() const;
 199     wxCoord GetCharWidth() const;
 200     bool CanGetTextExtent() const { return true; }
 201     void DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y,
 202                      wxCoord *descent = (wxCoord *) NULL,
 203                      wxCoord *externalLeading = (wxCoord *) NULL,
 204                      wxFont *theFont = (wxFont *) NULL ) const;
 205
 206     void DoGetSize(int* width, int* height) const;
 207     void DoGetSizeMM(int *width, int *height) const;
 208     wxSize GetPPI() const;
 209     void SetAxisOrientation( bool xLeftRight, bool yBottomUp );
 210     void SetDeviceOrigin( wxCoord x, wxCoord y );
 211
 212     virtual int GetDepth() const { return 24; }
 213
 214     void SetBackgroundMode(int WXUNUSED(mode)) { }
 215     void SetPalette(const wxPalette& WXUNUSED(palette)) { }
 216
 217     wxPrintData& GetPrintData() { return m_printData; }
 218     void SetPrintData(const wxPrintData& data) { m_printData = data; }
 219
 220     static void SetResolution(int ppi);
 221     static int GetResolution();
 222
 223 private:
 224     static float ms_PSScaleFactor;
 225
 226 private:
 227     PangoContext           *m_context;
 228     PangoLayout            *m_layout;
 229     PangoFontDescription   *m_fontdesc;
 230
 231     unsigned char           m_currentRed;
 232     unsigned char           m_currentGreen;
 233     unsigned char           m_currentBlue;
 234     wxPrintData             m_printData;
 235
 236     wxGnomePrinter         *m_printer;
 237     GnomePrintContext      *m_gpc;
 238
 239 private:
 240     wxCoord XDEV2LOG(wxCoord x) const
 241     {
 242         wxCoord new_x = x - m_deviceOriginX;
 243         if (new_x > 0)
 244             return (wxCoord)((double)(new_x) / m_scaleX + 0.5) * m_signX + m_logicalOriginX;
 245         else
 246             return (wxCoord)((double)(new_x) / m_scaleX - 0.5) * m_signX + m_logicalOriginX;
 247     }
 248     wxCoord XDEV2LOGREL(wxCoord x) const
 249     {
 250         if (x > 0)
 251             return (wxCoord)((double)(x) / m_scaleX + 0.5);
 252         else
 253             return (wxCoord)((double)(x) / m_scaleX - 0.5);
 254     }
 255     wxCoord YDEV2LOG(wxCoord y) const
 256     {
 257         wxCoord new_y = y - m_deviceOriginY;
 258         if (new_y > 0)
 259             return (wxCoord)((double)(new_y) / m_scaleY + 0.5) * m_signY + m_logicalOriginY;
 260         else
 261             return (wxCoord)((double)(new_y) / m_scaleY - 0.5) * m_signY + m_logicalOriginY;
 262     }
 263     wxCoord YDEV2LOGREL(wxCoord y) const
 264     {
 265         if (y > 0)
 266             return (wxCoord)((double)(y) / m_scaleY + 0.5);
 267         else
 268             return (wxCoord)((double)(y) / m_scaleY - 0.5);
 269     }
 270     wxCoord XLOG2DEV(wxCoord x) const
 271     {
 272         wxCoord new_x = x - m_logicalOriginX;
 273         if (new_x > 0)
 274             return (wxCoord)((double)(new_x) * m_scaleX + 0.5) * m_signX + m_deviceOriginX;
 275         else
 276             return (wxCoord)((double)(new_x) * m_scaleX - 0.5) * m_signX + m_deviceOriginX;
 277     }
 278     wxCoord XLOG2DEVREL(wxCoord x) const
 279     {
 280         if (x > 0)
 281             return (wxCoord)((double)(x) * m_scaleX + 0.5);
 282         else
 283             return (wxCoord)((double)(x) * m_scaleX - 0.5);
 284     }
 285     wxCoord YLOG2DEV(wxCoord y) const
 286     {
 287         wxCoord new_y = y - m_logicalOriginY;
 288         if (new_y > 0)
 289             return (wxCoord)((double)(new_y) * m_scaleY + 0.5) * m_signY + m_deviceOriginY;
 290         else
 291             return (wxCoord)((double)(new_y) * m_scaleY - 0.5) * m_signY + m_deviceOriginY;
 292     }
 293     wxCoord YLOG2DEVREL(wxCoord y) const
 294     {
 295         if (y > 0)
 296             return (wxCoord)((double)(y) * m_scaleY + 0.5);
 297         else
 298             return (wxCoord)((double)(y) * m_scaleY - 0.5);
 299     }
 300 private:
 301     DECLARE_DYNAMIC_CLASS(wxGnomePrintDC)
 302     DECLARE_NO_COPY_CLASS(wxGnomePrintDC)
 303 };
 304
 305 #endif