wxWidgets/include/wx/gtk/print.h
Vadim Zeitlin bb03d283be Recreate GtkPrintOperation every time when printing in wxGTK.
Apparently reusing GtkPrintOperation is not allowed, so create a new one
every time we need it.

Closes #14731.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@72642 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2012-10-08 12:09:37 +00:00

358 lines
14 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: wx/gtk/print.h
// Author: Anthony Bretaudeau
// Purpose: GTK printing support
// Created: 2007-08-25
// RCS-ID: $Id$
// 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 wxDCImpl* CreatePrinterDCImpl( wxPrinterDC *owner, 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)
wxDECLARE_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 );
GtkPrintOperation* GetPrintJob() { return m_job; }
void SetPrintJob(GtkPrintOperation *job) { m_job = 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:
// NB: m_config is created and owned by us, but the other objects are not
// and their accessors don't change their ref count.
GtkPrintSettings *m_config;
GtkPrintOperation *m_job;
GtkPrintContext *m_context;
DECLARE_DYNAMIC_CLASS(wxGtkPrintNativeData)
};
//-----------------------------------------------------------------------------
// wxGtkPrinterDC
//-----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxGtkPrinterDCImpl : public wxDCImpl
{
public:
wxGtkPrinterDCImpl( wxPrinterDC *owner, const wxPrintData& data );
virtual ~wxGtkPrinterDCImpl();
bool Ok() const { return IsOk(); }
bool IsOk() const;
virtual void* GetCairoContext() const;
virtual void* GetHandle() 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( wxRasterOperationMode 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);
// overridden for wxPrinterDC Impl
virtual int GetResolution() const;
virtual wxRect GetPaperRect() const;
protected:
bool DoFloodFill(wxCoord x1, wxCoord y1, const wxColour &col,
wxFloodFillStyle 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, wxPolygonFillMode fillStyle=wxODDEVEN_RULE);
void DoDrawPolyPolygon(int n, int count[], wxPoint points[], wxCoord xoffset = 0, wxCoord yoffset = 0, wxPolygonFillMode 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(const wxPointList *points);
#endif
bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
wxDC *source, wxCoord xsrc, wxCoord ysrc,
wxRasterOperationMode 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 DoSetDeviceClippingRegion( const wxRegion &WXUNUSED(clip) )
{
wxFAIL_MSG( "not implemented" );
}
void DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y,
wxCoord *descent = NULL,
wxCoord *externalLeading = NULL,
const wxFont *theFont = 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(wxGtkPrinterDCImpl)
wxDECLARE_NO_COPY_CLASS(wxGtkPrinterDCImpl);
};
// ----------------------------------------------------------------------------
// wxGtkPrintPreview: programmer creates an object of this class to preview a
// wxPrintout.
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxGtkPrintPreview : public wxPrintPreviewBase
{
public:
wxGtkPrintPreview(wxPrintout *printout,
wxPrintout *printoutForPrinting = NULL,
wxPrintDialogData *data = 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,
wxPrintData *data);
// resolution to use in DPI
int m_resolution;
DECLARE_CLASS(wxGtkPrintPreview)
};
#endif // wxUSE_GTKPRINT
#endif // _WX_GTK_PRINT_H_