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: gprint.h 46088 2007-05-17 10:51:34Z RR $
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
22typedef struct _GnomePrintJob GnomePrintJob;
23typedef struct _GnomePrintContext GnomePrintContext;
24typedef struct _GnomePrintConfig GnomePrintConfig;
25
26//----------------------------------------------------------------------------
27// wxGnomePrintNativeData
28//----------------------------------------------------------------------------
29
30class wxGnomePrintNativeData: public wxPrintNativeDataBase
31{
32public:
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
47private:
48    GnomePrintConfig  *m_config;
49    GnomePrintJob     *m_job;
50
51    DECLARE_DYNAMIC_CLASS(wxGnomePrintNativeData)
52};
53
54//----------------------------------------------------------------------------
55// wxGnomePrintFactory
56//----------------------------------------------------------------------------
57
58class wxGnomePrintFactory: public wxPrintFactory
59{
60public:
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
95class wxGnomePrintDialog: public wxPrintDialogBase
96{
97public:
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
116protected:
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
125private:
126    void Init();
127    wxPrintDialogData   m_printDialogData;
128
129    DECLARE_DYNAMIC_CLASS(wxGnomePrintDialog)
130};
131
132//----------------------------------------------------------------------------
133// wxGnomePageSetupDialog
134//----------------------------------------------------------------------------
135
136class wxGnomePageSetupDialog: public wxPageSetupDialogBase
137{
138public:
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
151protected:
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
160private:
161    wxPageSetupDialogData   m_pageDialogData;
162
163    DECLARE_DYNAMIC_CLASS(wxGnomePageSetupDialog)
164};
165
166//----------------------------------------------------------------------------
167// wxGnomePrinter
168//----------------------------------------------------------------------------
169
170class wxGnomePrinter: public wxPrinterBase
171{
172public:
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
182private:
183    bool               m_native_preview;
184
185private:
186    DECLARE_DYNAMIC_CLASS(wxGnomePrinter)
187    DECLARE_NO_COPY_CLASS(wxGnomePrinter)
188};
189
190//-----------------------------------------------------------------------------
191// wxGnomePrintDC
192//-----------------------------------------------------------------------------
193
194class wxGnomePrintDC: public wxDC
195{
196public:
197    wxGnomePrintDC( const wxPrintData& data );
198    virtual ~wxGnomePrintDC();
199
200    bool Ok() const { return IsOk(); }
201    bool IsOk() const;
202
203    bool CanDrawBitmap() const { return true; }
204    void Clear();
205    void SetFont( const wxFont& font );
206    void SetPen( const wxPen& pen );
207    void SetBrush( const wxBrush& brush );
208    void SetLogicalFunction( int function );
209    void SetBackground( const wxBrush& brush );
210    void DestroyClippingRegion();
211    bool StartDoc(const wxString& message);
212    void EndDoc();
213    void StartPage();
214    void EndPage();
215    wxCoord GetCharHeight() const;
216    wxCoord GetCharWidth() const;
217    bool CanGetTextExtent() const { return true; }
218    wxSize GetPPI() const;
219    void SetAxisOrientation( bool xLeftRight, bool yBottomUp );
220    void SetLogicalOrigin( wxCoord x, wxCoord y );
221    void SetDeviceOrigin( wxCoord x, wxCoord y );
222    virtual int GetDepth() const { return 24; }
223    void SetBackgroundMode(int WXUNUSED(mode)) { }
224    void SetPalette(const wxPalette& WXUNUSED(palette)) { }
225    static void SetResolution(int ppi);
226    static int GetResolution();
227
228protected:
229    bool DoFloodFill(wxCoord x1, wxCoord y1, const wxColour &col, int style=wxFLOOD_SURFACE );
230    bool DoGetPixel(wxCoord x1, wxCoord y1, wxColour *col) const;
231    void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
232    void DoCrossHair(wxCoord x, wxCoord y);
233    void DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc);
234    void DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea);
235    void DoDrawPoint(wxCoord x, wxCoord y);
236    void DoDrawLines(int n, wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0);
237    void DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0, int fillStyle=wxODDEVEN_RULE);
238    void DoDrawPolyPolygon(int n, int count[], wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0, int fillStyle=wxODDEVEN_RULE);
239    void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
240    void DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20.0);
241    void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
242#if wxUSE_SPLINES
243    void DoDrawSpline(wxList *points);
244#endif // wxUSE_SPLINES
245    bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
246            wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop = wxCOPY, bool useMask = false,
247            wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord);
248    void DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y );
249    void DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask = false  );
250    void DoDrawText(const wxString& text, wxCoord x, wxCoord y );
251    void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle);
252    void DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
253    void DoSetClippingRegionAsRegion( const wxRegion &WXUNUSED(clip) ) { }
254    void DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y,
255                     wxCoord *descent = (wxCoord *) NULL,
256                     wxCoord *externalLeading = (wxCoord *) NULL,
257                     wxFont *theFont = (wxFont *) NULL ) const;
258    void DoGetSize(int* width, int* height) const;
259    void DoGetSizeMM(int *width, int *height) const;
260
261    void SetPrintData(const wxPrintData& data);
262    wxPrintData& GetPrintData() { return m_printData; }
263
264private:
265    static float ms_PSScaleFactor;
266
267private:
268    wxPrintData             m_printData;
269    PangoContext           *m_context;
270    PangoLayout            *m_layout;
271    PangoFontDescription   *m_fontdesc;
272
273    unsigned char           m_currentRed;
274    unsigned char           m_currentGreen;
275    unsigned char           m_currentBlue;
276
277    int                     m_deviceOffsetY;
278
279    GnomePrintContext      *m_gpc;
280    GnomePrintJob*          m_job; // only used and destroyed when created with wxPrintData
281
282    void makeEllipticalPath(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
283
284private:
285    wxCoord XDEV2LOG(wxCoord x) const
286    {
287        return wxRound((double)(x - m_deviceOriginX) / m_scaleX) * m_signX + m_logicalOriginX;
288    }
289    wxCoord XDEV2LOGREL(wxCoord x) const
290    {
291        return wxRound((double)(x) / m_scaleX);
292    }
293    wxCoord YDEV2LOG(wxCoord y) const
294    {
295        return wxRound((double)(y + m_deviceOriginY - m_deviceOffsetY) / m_scaleY) * m_signY + m_logicalOriginY;
296    }
297    wxCoord YDEV2LOGREL(wxCoord y) const
298    {
299        return wxRound((double)(y) / m_scaleY);
300    }
301    wxCoord XLOG2DEV(wxCoord x) const
302    {
303        return wxRound((double)(x - m_logicalOriginX) * m_scaleX) * m_signX + m_deviceOriginX;
304    }
305    wxCoord XLOG2DEVREL(wxCoord x) const
306    {
307        return wxRound((double)(x) * m_scaleX);
308    }
309    wxCoord YLOG2DEV(wxCoord y) const
310    {
311        return wxRound((double)(y - m_logicalOriginY) * m_scaleY) * m_signY - m_deviceOriginY + m_deviceOffsetY;
312    }
313    wxCoord YLOG2DEVREL(wxCoord y) const
314    {
315        return wxRound((double)(y) * m_scaleY);
316    }
317private:
318    DECLARE_DYNAMIC_CLASS(wxGnomePrintDC)
319    DECLARE_NO_COPY_CLASS(wxGnomePrintDC)
320};
321
322// ----------------------------------------------------------------------------
323// wxGnomePrintPreview: programmer creates an object of this class to preview a
324// wxPrintout.
325// ----------------------------------------------------------------------------
326
327class wxGnomePrintPreview : public wxPrintPreviewBase
328{
329public:
330    wxGnomePrintPreview(wxPrintout *printout,
331                             wxPrintout *printoutForPrinting = (wxPrintout *) NULL,
332                             wxPrintDialogData *data = (wxPrintDialogData *) NULL);
333    wxGnomePrintPreview(wxPrintout *printout,
334                             wxPrintout *printoutForPrinting,
335                             wxPrintData *data);
336
337    virtual ~wxGnomePrintPreview();
338
339    virtual bool Print(bool interactive);
340    virtual void DetermineScaling();
341
342private:
343    void Init(wxPrintout *printout, wxPrintout *printoutForPrinting);
344
345private:
346    DECLARE_CLASS(wxGnomePrintPreview)
347};
348
349
350#endif
351    // wxUSE_LIBGNOMEPRINT
352
353#endif
354