[wxWidgets.git] / include / wx / gtk / print.h

/////////////////////////////////////////////////////////////////////////////
// Name:        wx/gtk/print.h
// Author:      Anthony Bretaudeau
// Purpose:     GTK printing support
// Created:     2007-08-25
// RCS-ID:      $Id: print.h,v 1 2007-08-25 05:44:44 PC Exp $
// Copyright:   (c) Anthony Bretaudeau
// Licence:     wxWindows Licence
/////////////////////////////////////////////////////////////////////////////

#ifndef _WX_GTK_PRINT_H_
#define _WX_GTK_PRINT_H_

#include "wx/defs.h"

#if wxUSE_GTKPRINT

#include "wx/print.h"
#include "wx/printdlg.h"
#include "wx/prntbase.h"
#include "wx/dc.h"
#include "wx/cairo.h"


typedef struct _GtkPrintOperation GtkPrintOperation;
typedef struct _GtkPrintContext GtkPrintContext;
typedef struct _GtkPrintSettings GtkPrintSettings;
typedef struct _GtkPageSetup GtkPageSetup;

typedef struct _cairo cairo_t;

//----------------------------------------------------------------------------
// wxGtkPrintFactory
//----------------------------------------------------------------------------

class wxGtkPrintFactory: public wxPrintFactory
{
public:
    virtual wxPrinterBase *CreatePrinter( wxPrintDialogData *data );

    virtual wxPrintPreviewBase *CreatePrintPreview( wxPrintout *preview,
                                                    wxPrintout *printout = NULL,
                                                    wxPrintDialogData *data = NULL );
    virtual wxPrintPreviewBase *CreatePrintPreview( wxPrintout *preview,
                                                    wxPrintout *printout,
                                                    wxPrintData *data );

    virtual wxPrintDialogBase *CreatePrintDialog( wxWindow *parent,
                                                  wxPrintDialogData *data = NULL );
    virtual wxPrintDialogBase *CreatePrintDialog( wxWindow *parent,
                                                  wxPrintData *data );

    virtual wxPageSetupDialogBase *CreatePageSetupDialog( wxWindow *parent,
                                                          wxPageSetupDialogData * data = NULL );

    virtual wxDC* CreatePrinterDC( const wxPrintData& data );

    virtual bool HasPrintSetupDialog();
    virtual wxDialog *CreatePrintSetupDialog( wxWindow *parent, wxPrintData *data );
    virtual bool HasOwnPrintToFile();
    virtual bool HasPrinterLine();
    virtual wxString CreatePrinterLine();
    virtual bool HasStatusLine();
    virtual wxString CreateStatusLine();

    virtual wxPrintNativeDataBase *CreatePrintNativeData();
};

//----------------------------------------------------------------------------
// wxGtkPrintDialog
//----------------------------------------------------------------------------

class WXDLLIMPEXP_CORE wxGtkPrintDialog: public wxPrintDialogBase
{
public:
    wxGtkPrintDialog( wxWindow *parent,
                         wxPrintDialogData* data = NULL );
    wxGtkPrintDialog( wxWindow *parent, wxPrintData* data);
    virtual ~wxGtkPrintDialog();

    wxPrintData& GetPrintData()
        { return m_printDialogData.GetPrintData(); }
    wxPrintDialogData& GetPrintDialogData()
        { return m_printDialogData; }

    wxDC *GetPrintDC() { return m_dc; }
    void SetPrintDC(wxDC * printDC) { m_dc = printDC; }

    virtual int ShowModal();

    virtual bool Validate() { return true; }
    virtual bool TransferDataToWindow() { return true; }
    virtual bool TransferDataFromWindow() { return true; }

    void SetShowDialog(bool show) { m_showDialog = show; }
    bool GetShowDialog() { return m_showDialog; }

protected:
    // Implement some base class methods to do nothing to avoid asserts and
    // GTK warnings, since this is not a real wxDialog.
    virtual void DoSetSize(int WXUNUSED(x), int WXUNUSED(y),
                           int WXUNUSED(width), int WXUNUSED(height),
                           int WXUNUSED(sizeFlags) = wxSIZE_AUTO) {}
    virtual void DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y),
                              int WXUNUSED(width), int WXUNUSED(height)) {}

private:
    wxPrintDialogData    m_printDialogData;
    wxWindow            *m_parent;
    bool                 m_showDialog;
    wxDC                *m_dc;

    DECLARE_DYNAMIC_CLASS(wxGtkPrintDialog)
};

//----------------------------------------------------------------------------
// wxGtkPageSetupDialog
//----------------------------------------------------------------------------

class WXDLLIMPEXP_CORE wxGtkPageSetupDialog: public wxPageSetupDialogBase
{
public:
    wxGtkPageSetupDialog( wxWindow *parent,
                            wxPageSetupDialogData* data = NULL );
    virtual ~wxGtkPageSetupDialog();

    virtual wxPageSetupDialogData& GetPageSetupDialogData() { return m_pageDialogData; }

    virtual int ShowModal();

    virtual bool Validate() { return true; }
    virtual bool TransferDataToWindow() { return true; }
    virtual bool TransferDataFromWindow() { return true; }

protected:
    // Implement some base class methods to do nothing to avoid asserts and
    // GTK warnings, since this is not a real wxDialog.
    virtual void DoSetSize(int WXUNUSED(x), int WXUNUSED(y),
                           int WXUNUSED(width), int WXUNUSED(height),
                           int WXUNUSED(sizeFlags) = wxSIZE_AUTO) {}
    virtual void DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y),
                              int WXUNUSED(width), int WXUNUSED(height)) {}

private:
    wxPageSetupDialogData    m_pageDialogData;
    wxWindow                *m_parent;

    DECLARE_DYNAMIC_CLASS(wxGtkPageSetupDialog)
};

//----------------------------------------------------------------------------
// wxGtkPrinter
//----------------------------------------------------------------------------

class WXDLLIMPEXP_CORE wxGtkPrinter : public wxPrinterBase
{
public:
    wxGtkPrinter(wxPrintDialogData *data = NULL);
    virtual ~wxGtkPrinter();

    virtual bool Print(wxWindow *parent,
                       wxPrintout *printout,
                       bool prompt = true);
    virtual wxDC* PrintDialog(wxWindow *parent);
    virtual bool Setup(wxWindow *parent);

    GtkPrintContext *GetPrintContext() { return m_gpc; }
    void SetPrintContext(GtkPrintContext *context) {m_gpc = context;}
    void BeginPrint(wxPrintout *printout, GtkPrintOperation *operation, GtkPrintContext *context);
    void DrawPage(wxPrintout *printout, GtkPrintOperation *operation, GtkPrintContext *context, int page_nr);

private:
    GtkPrintContext *m_gpc;
    wxDC            *m_dc;

    DECLARE_DYNAMIC_CLASS(wxGtkPrinter)
    DECLARE_NO_COPY_CLASS(wxGtkPrinter)
};

//----------------------------------------------------------------------------
// wxGtkPrintNativeData
//----------------------------------------------------------------------------

class WXDLLIMPEXP_CORE wxGtkPrintNativeData : public wxPrintNativeDataBase
{
public:
    wxGtkPrintNativeData();
    virtual ~wxGtkPrintNativeData();

    virtual bool TransferTo( wxPrintData &data );
    virtual bool TransferFrom( const wxPrintData &data );

    virtual bool Ok() const { return IsOk(); }
    virtual bool IsOk() const { return true; }

    GtkPrintSettings* GetPrintConfig() { return m_config; }
    void SetPrintConfig( GtkPrintSettings * config );

    void SetPrintJob( GtkPrintOperation *job ) { m_job = job; }
    GtkPrintOperation* GetPrintJob() { return m_job; }

    GtkPrintContext *GetPrintContext() { return m_context; }
    void SetPrintContext(GtkPrintContext *context) {m_context = context; }


    GtkPageSetup* GetPageSetupFromSettings(GtkPrintSettings* settings);
    void SetPageSetupToSettings(GtkPrintSettings* settings, GtkPageSetup* page_setup);

private:
    GtkPrintSettings    *m_config;
    GtkPrintOperation   *m_job;
    GtkPrintContext     *m_context;

    DECLARE_DYNAMIC_CLASS(wxGtkPrintNativeData)
};

//-----------------------------------------------------------------------------
// wxGtkPrintDC
//-----------------------------------------------------------------------------

class WXDLLIMPEXP_CORE wxGtkPrintDC: public wxDC
{
public:
    wxGtkPrintDC( const wxPrintData& data );
    virtual ~wxGtkPrintDC();

    bool Ok() const { return IsOk(); }
    bool IsOk() const;

    bool CanDrawBitmap() const { return true; }
    void Clear();
    void SetFont( const wxFont& font );
    void SetPen( const wxPen& pen );
    void SetBrush( const wxBrush& brush );
    void SetLogicalFunction( int function );
    void SetBackground( const wxBrush& brush );
    void DestroyClippingRegion();
    bool StartDoc(const wxString& message);
    void EndDoc();
    void StartPage();
    void EndPage();
    wxCoord GetCharHeight() const;
    wxCoord GetCharWidth() const;
    bool CanGetTextExtent() const { return true; }
    wxSize GetPPI() const;
    virtual int GetDepth() const { return 24; }
    void SetBackgroundMode(int mode);
    void SetPalette(const wxPalette& WXUNUSED(palette)) { }
    void SetResolution(int ppi);
    int GetResolution();

protected:
    bool DoFloodFill(wxCoord x1, wxCoord y1, const wxColour &col, int style=wxFLOOD_SURFACE );
    void DoGradientFillConcentric(const wxRect& rect, const wxColour& initialColour, const wxColour& destColour, const wxPoint& circleCenter);
    void DoGradientFillLinear(const wxRect& rect, const wxColour& initialColour, const wxColour& destColour, wxDirection nDirection = wxEAST);
    bool DoGetPixel(wxCoord x1, wxCoord y1, wxColour *col) const;
    void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
    void DoCrossHair(wxCoord x, wxCoord y);
    void DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc);
    void DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea);
    void DoDrawPoint(wxCoord x, wxCoord y);
    void DoDrawLines(int n, wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0);
    void DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0, int fillStyle=wxODDEVEN_RULE);
    void DoDrawPolyPolygon(int n, int count[], wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0, int fillStyle=wxODDEVEN_RULE);
    void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
    void DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20.0);
    void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
#if wxUSE_SPLINES
    void DoDrawSpline(wxList *points);
#endif // wxUSE_SPLINES
    bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
            wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop = wxCOPY, bool useMask = false,
            wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord);
    void DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y );
    void DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask = false  );
    void DoDrawText(const wxString& text, wxCoord x, wxCoord y );
    void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle);
    void DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
    void DoSetClippingRegionAsRegion( const wxRegion &WXUNUSED(clip) ) { }
    void DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y,
                     wxCoord *descent = (wxCoord *) NULL,
                     wxCoord *externalLeading = (wxCoord *) NULL,
                     const wxFont *theFont = (wxFont *) NULL ) const;
    void DoGetSize(int* width, int* height) const;
    void DoGetSizeMM(int *width, int *height) const;

    wxPrintData& GetPrintData() { return m_printData; }
    void SetPrintData(const wxPrintData& data);

private:
    wxPrintData             m_printData;
    PangoContext           *m_context;
    PangoLayout            *m_layout;
    PangoFontDescription   *m_fontdesc;
    cairo_t                *m_cairo;

    unsigned char           m_currentRed;
    unsigned char           m_currentGreen;
    unsigned char           m_currentBlue;
    unsigned char           m_currentAlpha;

    GtkPrintContext        *m_gpc;
    int                     m_resolution;
    double                  m_PS2DEV;
    double                  m_DEV2PS;

    DECLARE_DYNAMIC_CLASS(wxGtkPrintDC)
    DECLARE_NO_COPY_CLASS(wxGtkPrintDC)
};

// ----------------------------------------------------------------------------
// wxGtkPrintPreview: programmer creates an object of this class to preview a
// wxPrintout.
// ----------------------------------------------------------------------------

class WXDLLIMPEXP_CORE wxGtkPrintPreview : public wxPrintPreviewBase
{
public:
    wxGtkPrintPreview(wxPrintout *printout,
                             wxPrintout *printoutForPrinting = (wxPrintout *) NULL,
                             wxPrintDialogData *data = (wxPrintDialogData *) NULL);
    wxGtkPrintPreview(wxPrintout *printout,
                             wxPrintout *printoutForPrinting,
                             wxPrintData *data);

    virtual ~wxGtkPrintPreview();

    virtual bool Print(bool interactive);
    virtual void DetermineScaling();

private:
    void Init(wxPrintout *printout, wxPrintout *printoutForPrinting);

    DECLARE_CLASS(wxGtkPrintPreview)
};

#endif

#endif
Commit	Line	Data
fa034c45 RR	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 $
d494613a	7	// Copyright: (c) Anthony Bretaudeau
fa034c45 RR	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"
d494613a RR	22	#include "wx/cairo.h"
d494613a RR	23
fa034c45 RR	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	virtual wxDC* CreatePrinterDC( const wxPrintData& data );
	57
	58	virtual bool HasPrintSetupDialog();
	59	virtual wxDialog CreatePrintSetupDialog( wxWindow parent, wxPrintData *data );
	60	virtual bool HasOwnPrintToFile();
	61	virtual bool HasPrinterLine();
	62	virtual wxString CreatePrinterLine();
	63	virtual bool HasStatusLine();
	64	virtual wxString CreateStatusLine();
	65
	66	virtual wxPrintNativeDataBase *CreatePrintNativeData();
	67	};
	68
	69	//----------------------------------------------------------------------------
	70	// wxGtkPrintDialog
	71	//----------------------------------------------------------------------------
	72
	73	class WXDLLIMPEXP_CORE wxGtkPrintDialog: public wxPrintDialogBase
	74	{
	75	public:
	76	wxGtkPrintDialog( wxWindow *parent,
	77	wxPrintDialogData* data = NULL );
	78	wxGtkPrintDialog( wxWindow parent, wxPrintData data);
	79	virtual ~wxGtkPrintDialog();
	80
	81	wxPrintData& GetPrintData()
	82	{ return m_printDialogData.GetPrintData(); }
	83	wxPrintDialogData& GetPrintDialogData()
	84	{ return m_printDialogData; }
	85
	86	wxDC *GetPrintDC() { return m_dc; }
	87	void SetPrintDC(wxDC * printDC) { m_dc = printDC; }
88
89	virtual int ShowModal();
90
91	virtual bool Validate() { return true; }
92	virtual bool TransferDataToWindow() { return true; }
93	virtual bool TransferDataFromWindow() { return true; }
94
95	void SetShowDialog(bool show) { m_showDialog = show; }
96	bool GetShowDialog() { return m_showDialog; }
97
98	protected:
99	// Implement some base class methods to do nothing to avoid asserts and
100	// GTK warnings, since this is not a real wxDialog.
101	virtual void DoSetSize(int WXUNUSED(x), int WXUNUSED(y),
102	int WXUNUSED(width), int WXUNUSED(height),
103	int WXUNUSED(sizeFlags) = wxSIZE_AUTO) {}
104	virtual void DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y),
105	int WXUNUSED(width), int WXUNUSED(height)) {}
106
107	private:
108	wxPrintDialogData m_printDialogData;
109	wxWindow *m_parent;
110	bool m_showDialog;
111	wxDC *m_dc;
112
113	DECLARE_DYNAMIC_CLASS(wxGtkPrintDialog)
114	};
115
116	//----------------------------------------------------------------------------
117	// wxGtkPageSetupDialog
118	//----------------------------------------------------------------------------
119
120	class WXDLLIMPEXP_CORE wxGtkPageSetupDialog: public wxPageSetupDialogBase
121	{
122	public:
123	wxGtkPageSetupDialog( wxWindow *parent,
124	wxPageSetupDialogData* data = NULL );
125	virtual ~wxGtkPageSetupDialog();
126
127	virtual wxPageSetupDialogData& GetPageSetupDialogData() { return m_pageDialogData; }
128
129	virtual int ShowModal();
130
131	virtual bool Validate() { return true; }
132	virtual bool TransferDataToWindow() { return true; }
133	virtual bool TransferDataFromWindow() { return true; }
134
135	protected:
136	// Implement some base class methods to do nothing to avoid asserts and
137	// GTK warnings, since this is not a real wxDialog.
138	virtual void DoSetSize(int WXUNUSED(x), int WXUNUSED(y),
139	int WXUNUSED(width), int WXUNUSED(height),
140	int WXUNUSED(sizeFlags) = wxSIZE_AUTO) {}
141	virtual void DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y),
142	int WXUNUSED(width), int WXUNUSED(height)) {}
143
144	private:
145	wxPageSetupDialogData m_pageDialogData;
146	wxWindow *m_parent;
147
148	DECLARE_DYNAMIC_CLASS(wxGtkPageSetupDialog)
149	};
150
151	//----------------------------------------------------------------------------
152	// wxGtkPrinter
153	//----------------------------------------------------------------------------
154
155	class WXDLLIMPEXP_CORE wxGtkPrinter : public wxPrinterBase
156	{
157	public:
158	wxGtkPrinter(wxPrintDialogData *data = NULL);
159	virtual ~wxGtkPrinter();
160
161	virtual bool Print(wxWindow *parent,
162	wxPrintout *printout,
163	bool prompt = true);
164	virtual wxDC* PrintDialog(wxWindow *parent);
165	virtual bool Setup(wxWindow *parent);
166
167	GtkPrintContext *GetPrintContext() { return m_gpc; }
168	void SetPrintContext(GtkPrintContext *context) {m_gpc = context;}
169	void BeginPrint(wxPrintout printout, GtkPrintOperation operation, GtkPrintContext *context);
170	void DrawPage(wxPrintout printout, GtkPrintOperation operation, GtkPrintContext *context, int page_nr);
171
172	private:
173	GtkPrintContext *m_gpc;
fa034c45 RR	174	wxDC *m_dc;
	175
	176	DECLARE_DYNAMIC_CLASS(wxGtkPrinter)
	177	DECLARE_NO_COPY_CLASS(wxGtkPrinter)
	178	};
	179
	180	//----------------------------------------------------------------------------
	181	// wxGtkPrintNativeData
	182	//----------------------------------------------------------------------------
	183
	184	class WXDLLIMPEXP_CORE wxGtkPrintNativeData : public wxPrintNativeDataBase
	185	{
	186	public:
	187	wxGtkPrintNativeData();
	188	virtual ~wxGtkPrintNativeData();
	189
	190	virtual bool TransferTo( wxPrintData &data );
	191	virtual bool TransferFrom( const wxPrintData &data );
	192
	193	virtual bool Ok() const { return IsOk(); }
	194	virtual bool IsOk() const { return true; }
	195
	196	GtkPrintSettings* GetPrintConfig() { return m_config; }
	197	void SetPrintConfig( GtkPrintSettings * config );
	198
	199	void SetPrintJob( GtkPrintOperation *job ) { m_job = job; }
	200	GtkPrintOperation* GetPrintJob() { return m_job; }
	201
	202	GtkPrintContext *GetPrintContext() { return m_context; }
	203	void SetPrintContext(GtkPrintContext *context) {m_context = context; }
	204
	205
	206	GtkPageSetup* GetPageSetupFromSettings(GtkPrintSettings* settings);
	207	void SetPageSetupToSettings(GtkPrintSettings* settings, GtkPageSetup* page_setup);
	208
	209	private:
	210	GtkPrintSettings *m_config;
	211	GtkPrintOperation *m_job;
	212	GtkPrintContext *m_context;
	213
	214	DECLARE_DYNAMIC_CLASS(wxGtkPrintNativeData)
	215	};
	216
	217	//-----------------------------------------------------------------------------
	218	// wxGtkPrintDC
	219	//-----------------------------------------------------------------------------
	220
	221	class WXDLLIMPEXP_CORE wxGtkPrintDC: public wxDC
	222	{
	223	public:
	224	wxGtkPrintDC( const wxPrintData& data );
	225	virtual ~wxGtkPrintDC();
	226
	227	bool Ok() const { return IsOk(); }
	228	bool IsOk() const;
	229
	230	bool CanDrawBitmap() const { return true; }
	231	void Clear();
	232	void SetFont( const wxFont& font );
	233	void SetPen( const wxPen& pen );
	234	void SetBrush( const wxBrush& brush );
	235	void SetLogicalFunction( int function );
	236	void SetBackground( const wxBrush& brush );
	237	void DestroyClippingRegion();
238	bool StartDoc(const wxString& message);
239	void EndDoc();
240	void StartPage();
241	void EndPage();
242	wxCoord GetCharHeight() const;
243	wxCoord GetCharWidth() const;
244	bool CanGetTextExtent() const { return true; }
245	wxSize GetPPI() const;
fa034c45	246	virtual int GetDepth() const { return 24; }
a9312950	247	void SetBackgroundMode(int mode);
fa034c45	248	void SetPalette(const wxPalette& WXUNUSED(palette)) { }
a9312950 RR	249	void SetResolution(int ppi);
a9312950 RR	250	int GetResolution();
fa034c45 RR	251
	252	protected:
	253	bool DoFloodFill(wxCoord x1, wxCoord y1, const wxColour &col, int style=wxFLOOD_SURFACE );
	254	void DoGradientFillConcentric(const wxRect& rect, const wxColour& initialColour, const wxColour& destColour, const wxPoint& circleCenter);
	255	void DoGradientFillLinear(const wxRect& rect, const wxColour& initialColour, const wxColour& destColour, wxDirection nDirection = wxEAST);
	256	bool DoGetPixel(wxCoord x1, wxCoord y1, wxColour *col) const;
	257	void DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
	258	void DoCrossHair(wxCoord x, wxCoord y);
	259	void DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc);
	260	void DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea);
	261	void DoDrawPoint(wxCoord x, wxCoord y);
	262	void DoDrawLines(int n, wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0);
	263	void DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0, int fillStyle=wxODDEVEN_RULE);
	264	void DoDrawPolyPolygon(int n, int count[], wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0, int fillStyle=wxODDEVEN_RULE);
	265	void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
	266	void DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius = 20.0);
	267	void DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
	268	#if wxUSE_SPLINES
	269	void DoDrawSpline(wxList *points);
	270	#endif // wxUSE_SPLINES
	271	bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
	272	wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop = wxCOPY, bool useMask = false,
	273	wxCoord xsrcMask = wxDefaultCoord, wxCoord ysrcMask = wxDefaultCoord);
	274	void DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y );
	275	void DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask = false );
fa034c45 RR	276	void DoDrawText(const wxString& text, wxCoord x, wxCoord y );
	277	void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle);
	278	void DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
	279	void DoSetClippingRegionAsRegion( const wxRegion &WXUNUSED(clip) ) { }
	280	void DoGetTextExtent(const wxString& string, wxCoord x, wxCoord y,
	281	wxCoord descent = (wxCoord ) NULL,
	282	wxCoord externalLeading = (wxCoord ) NULL,
	283	const wxFont theFont = (wxFont ) NULL ) const;
	284	void DoGetSize(int* width, int* height) const;
	285	void DoGetSizeMM(int width, int height) const;
	286
	287	wxPrintData& GetPrintData() { return m_printData; }
	288	void SetPrintData(const wxPrintData& data);
	289
fa034c45	290	private:
fa034c45 RR	291	wxPrintData m_printData;
	292	PangoContext *m_context;
	293	PangoLayout *m_layout;
	294	PangoFontDescription *m_fontdesc;
	295	cairo_t *m_cairo;
	296
	297	unsigned char m_currentRed;
	298	unsigned char m_currentGreen;
	299	unsigned char m_currentBlue;
	300	unsigned char m_currentAlpha;
	301
a9312950 RR	302	GtkPrintContext *m_gpc;
	303	int m_resolution;
	304	double m_PS2DEV;
	305	double m_DEV2PS;
	306
fa034c45 RR	307	DECLARE_DYNAMIC_CLASS(wxGtkPrintDC)
	308	DECLARE_NO_COPY_CLASS(wxGtkPrintDC)
	309	};
	310
	311	// ----------------------------------------------------------------------------
	312	// wxGtkPrintPreview: programmer creates an object of this class to preview a
	313	// wxPrintout.
	314	// ----------------------------------------------------------------------------
	315
	316	class WXDLLIMPEXP_CORE wxGtkPrintPreview : public wxPrintPreviewBase
	317	{
	318	public:
	319	wxGtkPrintPreview(wxPrintout *printout,
	320	wxPrintout printoutForPrinting = (wxPrintout ) NULL,
	321	wxPrintDialogData data = (wxPrintDialogData ) NULL);
	322	wxGtkPrintPreview(wxPrintout *printout,
	323	wxPrintout *printoutForPrinting,
	324	wxPrintData *data);
	325
	326	virtual ~wxGtkPrintPreview();
	327
	328	virtual bool Print(bool interactive);
	329	virtual void DetermineScaling();
	330
	331	private:
	332	void Init(wxPrintout printout, wxPrintout printoutForPrinting);
	333
	334	DECLARE_CLASS(wxGtkPrintPreview)
	335	};
	336
	337	#endif
	338
	339	#endif