src/osx/carbon/dcprint.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        src/osx/carbon/dcprint.cpp
// Purpose:     wxPrinterDC class
// Author:      Julian Smart
// Modified by:
// Created:     01/02/97
// RCS-ID:      $Id$
// Copyright:   (c) Julian Smart
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#if wxUSE_PRINTING_ARCHITECTURE

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

#include "wx/dcprint.h"

#ifndef WX_PRECOMP
    #include "wx/msgdlg.h"
    #include "wx/math.h"
#endif

#include "wx/osx/private.h"
#include "wx/osx/private/print.h"
#include "wx/osx/dcprint.h"
#include "wx/graphics.h"

IMPLEMENT_ABSTRACT_CLASS(wxPrinterDCImpl, wxGCDCImpl)

class wxNativePrinterDC
{
public :
    wxNativePrinterDC() {}
    virtual ~wxNativePrinterDC() {}
    virtual bool StartDoc(  wxPrinterDC* dc , const wxString& message ) = 0;
    virtual void EndDoc( wxPrinterDC* dc ) = 0;
    virtual void StartPage( wxPrinterDC* dc ) = 0;
    virtual void EndPage( wxPrinterDC* dc ) = 0;
    virtual void GetSize( int *w , int *h) const = 0 ;
    virtual wxSize GetPPI() const = 0 ;

    // returns 0 in case of no Error, otherwise platform specific error codes
    virtual wxUint32 GetStatus() const = 0 ;
    bool Ok() { return GetStatus() == 0 ; }

    static wxNativePrinterDC* Create(wxPrintData* data) ;
} ;

class wxMacCarbonPrinterDC : public wxNativePrinterDC
{
public :
    wxMacCarbonPrinterDC( wxPrintData* data ) ;
    virtual ~wxMacCarbonPrinterDC() ;
    virtual bool StartDoc(  wxPrinterDC* dc , const wxString& message ) ;
    virtual void EndDoc( wxPrinterDC* dc ) ;
    virtual void StartPage( wxPrinterDC* dc ) ;
    virtual void EndPage( wxPrinterDC* dc ) ;
    virtual wxUint32 GetStatus() const { return m_err ; }
    virtual void GetSize( int *w , int *h) const ;
    virtual wxSize GetPPI() const ;
private :
    wxCoord m_maxX ;
    wxCoord m_maxY ;
    wxSize  m_ppi ;
    OSStatus m_err ;
} ;

wxMacCarbonPrinterDC::wxMacCarbonPrinterDC( wxPrintData* data )
{
    m_err = noErr ;
    wxOSXPrintData *native = (wxOSXPrintData*) data->GetNativeData() ;

    PMRect rPage;
    m_err = PMGetAdjustedPageRect(native->GetPageFormat(), &rPage);
    if ( m_err != noErr )
        return;

    m_maxX = wxCoord(rPage.right - rPage.left) ;
    m_maxY = wxCoord(rPage.bottom - rPage.top);

    PMResolution res;
    PMPrinter printer;
    m_err = PMSessionGetCurrentPrinter(native->GetPrintSession(), &printer);
    if ( m_err == noErr )
    {
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
        if ( PMPrinterGetOutputResolution != NULL )
        {
            {
                m_err = PMPrinterGetOutputResolution( printer, native->GetPrintSettings(), &res) ;
                if ( m_err == -9589 /* kPMKeyNotFound */ )
                {
                    m_err = noErr ;
                    res.hRes = res.vRes = 300;
                }
            }
        }
        else
#endif
        {
#if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
            m_err = PMPrinterGetPrinterResolution(printer, kPMCurrentValue, &res);
#endif
        }
    }

    m_maxX = wxCoord((double)m_maxX * res.hRes / 72.0);
    m_maxY = wxCoord((double)m_maxY * res.vRes / 72.0);

    m_ppi = wxSize(int(res.hRes), int(res.vRes));
}

wxMacCarbonPrinterDC::~wxMacCarbonPrinterDC()
{
}

wxNativePrinterDC* wxNativePrinterDC::Create(wxPrintData* data)
{
    return new wxMacCarbonPrinterDC(data) ;
}

bool wxMacCarbonPrinterDC::StartDoc(  wxPrinterDC* dc , const wxString& message  )
{
    if ( m_err )
        return false ;

    wxPrinterDCImpl *impl = (wxPrinterDCImpl*) dc->GetImpl();
    wxOSXPrintData *native = (wxOSXPrintData*) impl->GetPrintData().GetNativeData() ;

    PMPrintSettingsSetJobName(native->GetPrintSettings(), wxCFStringRef(message));

    m_err = PMSessionBeginCGDocumentNoDialog(native->GetPrintSession(),
              native->GetPrintSettings(),
              native->GetPageFormat());
    if ( m_err != noErr )
        return false;

    PMRect rPage;
    m_err = PMGetAdjustedPageRect(native->GetPageFormat(), &rPage);
    if ( m_err != noErr )
        return false ;

    m_maxX = wxCoord(rPage.right - rPage.left) ;
    m_maxY = wxCoord(rPage.bottom - rPage.top);

    PMResolution res;
    PMPrinter printer;

    m_err = PMSessionGetCurrentPrinter(native->GetPrintSession(), &printer);
    if (m_err == noErr)
    {
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
        if ( PMPrinterGetOutputResolution != NULL )
        {
            m_err = PMPrinterGetOutputResolution( printer, native->GetPrintSettings(), &res) ;
            if ( m_err == -9589 /* kPMKeyNotFound */ )
            {
                m_err = noErr ;
                res.hRes = res.vRes = 300;
            }
        }
        else
#endif
        {
#if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
            m_err = PMPrinterGetPrinterResolution(printer, kPMCurrentValue, &res);
#endif
        }
    }

    m_maxX = wxCoord((double)m_maxX * res.hRes / 72.0);
    m_maxY = wxCoord((double)m_maxY * res.vRes / 72.0);

    m_ppi = wxSize(int(res.hRes), int(res.vRes));
    return true ;
}

void wxMacCarbonPrinterDC::EndDoc( wxPrinterDC* dc )
{
    if ( m_err )
        return ;

    wxPrinterDCImpl *impl = (wxPrinterDCImpl*) dc->GetImpl();
    wxOSXPrintData *native = (wxOSXPrintData*) impl->GetPrintData().GetNativeData() ;

    m_err = PMSessionEndDocumentNoDialog(native->GetPrintSession());
}

void wxMacCarbonPrinterDC::StartPage( wxPrinterDC* dc )
{
    if ( m_err )
        return ;

    wxPrinterDCImpl *impl = (wxPrinterDCImpl*) dc->GetImpl();
    wxOSXPrintData *native = (wxOSXPrintData*) impl->GetPrintData().GetNativeData() ;

    m_err = PMSessionBeginPageNoDialog(native->GetPrintSession(),
                 native->GetPageFormat(),
                 NULL);

    CGContextRef pageContext;

    if ( m_err == noErr )
    {
        m_err = PMSessionGetCGGraphicsContext(native->GetPrintSession(),
                                            &pageContext );
    }

    if ( m_err != noErr )
    {
        PMSessionEndPageNoDialog(native->GetPrintSession());
        PMSessionEndDocumentNoDialog(native->GetPrintSession());
    }
    else
    {
        PMRect paperRect ;
        m_err = PMGetAdjustedPaperRect( native->GetPageFormat() , &paperRect ) ;
        // make sure (0,0) is at the upper left of the printable area (wx conventions)
        // Core Graphics initially has the lower left of the paper as 0,0
        if ( !m_err )
            CGContextTranslateCTM( pageContext , (CGFloat) -paperRect.left , (CGFloat) paperRect.bottom ) ;

        // since this is a non-critical error, we set the flag back
        m_err = noErr ;

        // Leopard deprecated PMSetResolution() which will not be available in 64 bit mode, so we avoid using it.
        // To set the proper drawing resolution, the docs suggest the use of CGContextScaleCTM(), so here we go; as a
        // consequence though, PMGetAdjustedPaperRect() and PMGetAdjustedPageRect() return unscaled rects, so we
        // have to manually scale them later.
        CGContextScaleCTM( pageContext, 72.0 / (double)m_ppi.x, -72.0 / (double)m_ppi.y);

        impl->SetGraphicsContext( wxGraphicsContext::CreateFromNative( pageContext ) );
    }
}

void wxMacCarbonPrinterDC::EndPage( wxPrinterDC* dc )
{
    if ( m_err )
        return ;

    wxPrinterDCImpl *impl = (wxPrinterDCImpl*) dc->GetImpl();
    wxOSXPrintData *native = (wxOSXPrintData*) impl->GetPrintData().GetNativeData() ;

    m_err = PMSessionEndPageNoDialog(native->GetPrintSession());
    if ( m_err != noErr )
    {
        PMSessionEndDocumentNoDialog(native->GetPrintSession());
    }
    // the cg context we got when starting the page isn't valid anymore, so replace it
    impl->SetGraphicsContext( wxGraphicsContext::Create() );
}

void wxMacCarbonPrinterDC::GetSize( int *w , int *h) const
{
    if ( w )
        *w = m_maxX ;
    if ( h )
        *h = m_maxY ;
}

wxSize wxMacCarbonPrinterDC::GetPPI() const
{
     return m_ppi ;
};

//
//
//

wxPrinterDCImpl::wxPrinterDCImpl( wxPrinterDC *owner, const wxPrintData& printdata )
   : wxGCDCImpl( owner )
{
    m_ok = false ;
    m_printData = printdata ;
    m_printData.ConvertToNative() ;
    m_nativePrinterDC = wxNativePrinterDC::Create( &m_printData ) ;
    if ( m_nativePrinterDC )
    {
        m_ok = m_nativePrinterDC->Ok() ;
        if ( !m_ok )
        {
            wxString message ;
            message.Printf( wxT("Print Error %u"), m_nativePrinterDC->GetStatus() ) ;
            wxMessageDialog dialog( NULL , message , wxEmptyString, wxICON_HAND | wxOK) ;
            dialog.ShowModal();
        }
        else
        {
            wxSize sz = GetPPI();
            m_mm_to_pix_x = mm2inches * sz.x;
            m_mm_to_pix_y = mm2inches * sz.y;
        }
        // we need at least a measuring context because people start measuring before a page
        // gets printed at all
        SetGraphicsContext( wxGraphicsContext::Create() );
    }
}

wxSize wxPrinterDCImpl::GetPPI() const
{
    return m_nativePrinterDC->GetPPI() ;
}

wxPrinterDCImpl::~wxPrinterDCImpl()
{
    delete m_nativePrinterDC ;
}

bool wxPrinterDCImpl::StartDoc( const wxString& message )
{
    wxASSERT_MSG( IsOk() , wxT("Called wxPrinterDC::StartDoc from an invalid object") ) ;

    if ( !m_ok )
        return false ;

    if ( m_nativePrinterDC->StartDoc( (wxPrinterDC*) GetOwner(), message ) )
    {
        // in case we have to do additional things when successful
    }
    m_ok = m_nativePrinterDC->Ok() ;
    if ( !m_ok )
    {
        wxString message ;
        message.Printf( wxT("Print Error %u"), m_nativePrinterDC->GetStatus() ) ;
        wxMessageDialog dialog( NULL , message , wxEmptyString, wxICON_HAND | wxOK) ;
        dialog.ShowModal();
    }

    return m_ok ;
}

void wxPrinterDCImpl::EndDoc(void)
{
    if ( !m_ok )
        return ;

    m_nativePrinterDC->EndDoc( (wxPrinterDC*) GetOwner() ) ;
    m_ok = m_nativePrinterDC->Ok() ;

    if ( !m_ok )
    {
        wxString message ;
        message.Printf( wxT("Print Error %u"), m_nativePrinterDC->GetStatus() ) ;
        wxMessageDialog dialog( NULL , message , wxEmptyString, wxICON_HAND | wxOK) ;
        dialog.ShowModal();
    }
}

wxRect wxPrinterDCImpl::GetPaperRect() const
{
    wxCoord w, h;
    GetOwner()->GetSize(&w, &h);
    wxRect pageRect(0, 0, w, h);
    wxOSXPrintData *native = (wxOSXPrintData*) m_printData.GetNativeData() ;
    OSStatus err = noErr ;
    PMRect rPaper;
    err = PMGetAdjustedPaperRect(native->GetPageFormat(), &rPaper);
    if ( err != noErr )
        return pageRect;

    wxSize ppi = GetOwner()->GetPPI();
    rPaper.right *= (ppi.x / 72.0);
    rPaper.bottom *= (ppi.y / 72.0);
    rPaper.left *= (ppi.x / 72.0);
    rPaper.top *= (ppi.y / 72.0);

    return wxRect(wxCoord(rPaper.left), wxCoord(rPaper.top),
        wxCoord(rPaper.right - rPaper.left), wxCoord(rPaper.bottom - rPaper.top));
}

void wxPrinterDCImpl::StartPage()
{
    if ( !m_ok )
        return ;

    m_logicalFunction = wxCOPY;
    //  m_textAlignment = wxALIGN_TOP_LEFT;
    m_backgroundMode = wxTRANSPARENT;

    m_textForegroundColour = *wxBLACK;
    m_textBackgroundColour = *wxWHITE;
    m_pen = *wxBLACK_PEN;
    m_font = *wxNORMAL_FONT;
    m_brush = *wxTRANSPARENT_BRUSH;
    m_backgroundBrush = *wxWHITE_BRUSH;

    m_nativePrinterDC->StartPage( (wxPrinterDC*) GetOwner() ) ;
    m_ok = m_nativePrinterDC->Ok() ;

}

void wxPrinterDCImpl::EndPage()
{
    if ( !m_ok )
        return ;

    m_nativePrinterDC->EndPage( (wxPrinterDC*) GetOwner() );
    m_ok = m_nativePrinterDC->Ok() ;
}

void wxPrinterDCImpl::DoGetSize(int *width, int *height) const
{
    wxCHECK_RET( m_ok , wxT("GetSize() doesn't work without a valid wxPrinterDC") );
    m_nativePrinterDC->GetSize(width,  height ) ;
}

#endif
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: src/osx/carbon/dcprint.cpp
	3	// Purpose: wxPrinterDC class
	4	// Author: Julian Smart
	5	// Modified by:
	6	// Created: 01/02/97
	7	// RCS-ID: $Id$
	8	// Copyright: (c) Julian Smart
	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	// For compilers that support precompilation, includes "wx.h".
	13	#include "wx/wxprec.h"
	14
	15	#if wxUSE_PRINTING_ARCHITECTURE
	16
	17	#ifdef __BORLANDC__
	18	#pragma hdrstop
	19	#endif
	20
	21	#include "wx/dcprint.h"
	22
	23	#ifndef WX_PRECOMP
	24	#include "wx/msgdlg.h"
	25	#include "wx/math.h"
	26	#endif
	27
	28	#include "wx/osx/private.h"
	29	#include "wx/osx/private/print.h"
	30	#include "wx/osx/dcprint.h"
	31	#include "wx/graphics.h"
	32
	33	IMPLEMENT_ABSTRACT_CLASS(wxPrinterDCImpl, wxGCDCImpl)
	34
	35	class wxNativePrinterDC
	36	{
	37	public :
	38	wxNativePrinterDC() {}
	39	virtual ~wxNativePrinterDC() {}
	40	virtual bool StartDoc( wxPrinterDC* dc , const wxString& message ) = 0;
	41	virtual void EndDoc( wxPrinterDC* dc ) = 0;
	42	virtual void StartPage( wxPrinterDC* dc ) = 0;
	43	virtual void EndPage( wxPrinterDC* dc ) = 0;
	44	virtual void GetSize( int w , int h) const = 0 ;
	45	virtual wxSize GetPPI() const = 0 ;
	46
	47	// returns 0 in case of no Error, otherwise platform specific error codes
	48	virtual wxUint32 GetStatus() const = 0 ;
	49	bool Ok() { return GetStatus() == 0 ; }
	50
	51	static wxNativePrinterDC* Create(wxPrintData* data) ;
	52	} ;
	53
	54	class wxMacCarbonPrinterDC : public wxNativePrinterDC
	55	{
	56	public :
	57	wxMacCarbonPrinterDC( wxPrintData* data ) ;
	58	virtual ~wxMacCarbonPrinterDC() ;
	59	virtual bool StartDoc( wxPrinterDC* dc , const wxString& message ) ;
	60	virtual void EndDoc( wxPrinterDC* dc ) ;
	61	virtual void StartPage( wxPrinterDC* dc ) ;
	62	virtual void EndPage( wxPrinterDC* dc ) ;
	63	virtual wxUint32 GetStatus() const { return m_err ; }
	64	virtual void GetSize( int w , int h) const ;
	65	virtual wxSize GetPPI() const ;
	66	private :
	67	wxCoord m_maxX ;
	68	wxCoord m_maxY ;
	69	wxSize m_ppi ;
	70	OSStatus m_err ;
	71	} ;
	72
	73	wxMacCarbonPrinterDC::wxMacCarbonPrinterDC( wxPrintData* data )
	74	{
	75	m_err = noErr ;
	76	wxOSXPrintData native = (wxOSXPrintData) data->GetNativeData() ;
	77
	78	PMRect rPage;
	79	m_err = PMGetAdjustedPageRect(native->GetPageFormat(), &rPage);
	80	if ( m_err != noErr )
	81	return;
	82
	83	m_maxX = wxCoord(rPage.right - rPage.left) ;
	84	m_maxY = wxCoord(rPage.bottom - rPage.top);
	85
	86	PMResolution res;
	87	PMPrinter printer;
	88	m_err = PMSessionGetCurrentPrinter(native->GetPrintSession(), &printer);
	89	if ( m_err == noErr )
	90	{
	91	#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
	92	if ( PMPrinterGetOutputResolution != NULL )
	93	{
	94	{
	95	m_err = PMPrinterGetOutputResolution( printer, native->GetPrintSettings(), &res) ;
	96	if ( m_err == -9589 /* kPMKeyNotFound */ )
	97	{
	98	m_err = noErr ;
	99	res.hRes = res.vRes = 300;
	100	}
	101	}
	102	}
	103	else
	104	#endif
	105	{
	106	#if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
	107	m_err = PMPrinterGetPrinterResolution(printer, kPMCurrentValue, &res);
	108	#endif
	109	}
	110	}
	111
	112	m_maxX = wxCoord((double)m_maxX * res.hRes / 72.0);
	113	m_maxY = wxCoord((double)m_maxY * res.vRes / 72.0);
	114
	115	m_ppi = wxSize(int(res.hRes), int(res.vRes));
	116	}
	117
	118	wxMacCarbonPrinterDC::~wxMacCarbonPrinterDC()
	119	{
	120	}
	121
	122	wxNativePrinterDC* wxNativePrinterDC::Create(wxPrintData* data)
	123	{
	124	return new wxMacCarbonPrinterDC(data) ;
	125	}
	126
	127	bool wxMacCarbonPrinterDC::StartDoc( wxPrinterDC* dc , const wxString& message )
	128	{
	129	if ( m_err )
	130	return false ;
	131
	132	wxPrinterDCImpl impl = (wxPrinterDCImpl) dc->GetImpl();
	133	wxOSXPrintData native = (wxOSXPrintData) impl->GetPrintData().GetNativeData() ;
	134
	135	PMPrintSettingsSetJobName(native->GetPrintSettings(), wxCFStringRef(message));
	136
	137	m_err = PMSessionBeginCGDocumentNoDialog(native->GetPrintSession(),
	138	native->GetPrintSettings(),
	139	native->GetPageFormat());
	140	if ( m_err != noErr )
	141	return false;
	142
	143	PMRect rPage;
	144	m_err = PMGetAdjustedPageRect(native->GetPageFormat(), &rPage);
	145	if ( m_err != noErr )
	146	return false ;
	147
	148	m_maxX = wxCoord(rPage.right - rPage.left) ;
	149	m_maxY = wxCoord(rPage.bottom - rPage.top);
	150
	151	PMResolution res;
	152	PMPrinter printer;
	153
	154	m_err = PMSessionGetCurrentPrinter(native->GetPrintSession(), &printer);
	155	if (m_err == noErr)
	156	{
	157	#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
	158	if ( PMPrinterGetOutputResolution != NULL )
	159	{
	160	m_err = PMPrinterGetOutputResolution( printer, native->GetPrintSettings(), &res) ;
	161	if ( m_err == -9589 /* kPMKeyNotFound */ )
	162	{
	163	m_err = noErr ;
	164	res.hRes = res.vRes = 300;
	165	}
	166	}
	167	else
	168	#endif
	169	{
	170	#if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
	171	m_err = PMPrinterGetPrinterResolution(printer, kPMCurrentValue, &res);
	172	#endif
	173	}
	174	}
	175
	176	m_maxX = wxCoord((double)m_maxX * res.hRes / 72.0);
	177	m_maxY = wxCoord((double)m_maxY * res.vRes / 72.0);
	178
	179	m_ppi = wxSize(int(res.hRes), int(res.vRes));
	180	return true ;
	181	}
	182
	183	void wxMacCarbonPrinterDC::EndDoc( wxPrinterDC* dc )
	184	{
	185	if ( m_err )
	186	return ;
	187
	188	wxPrinterDCImpl impl = (wxPrinterDCImpl) dc->GetImpl();
	189	wxOSXPrintData native = (wxOSXPrintData) impl->GetPrintData().GetNativeData() ;
	190
	191	m_err = PMSessionEndDocumentNoDialog(native->GetPrintSession());
	192	}
	193
	194	void wxMacCarbonPrinterDC::StartPage( wxPrinterDC* dc )
	195	{
	196	if ( m_err )
	197	return ;
	198
	199	wxPrinterDCImpl impl = (wxPrinterDCImpl) dc->GetImpl();
	200	wxOSXPrintData native = (wxOSXPrintData) impl->GetPrintData().GetNativeData() ;
	201
	202	m_err = PMSessionBeginPageNoDialog(native->GetPrintSession(),
	203	native->GetPageFormat(),
	204	NULL);
	205
	206	CGContextRef pageContext;
	207
	208	if ( m_err == noErr )
	209	{
	210	m_err = PMSessionGetCGGraphicsContext(native->GetPrintSession(),
	211	&pageContext );
	212	}
	213
	214	if ( m_err != noErr )
	215	{
	216	PMSessionEndPageNoDialog(native->GetPrintSession());
	217	PMSessionEndDocumentNoDialog(native->GetPrintSession());
	218	}
	219	else
	220	{
	221	PMRect paperRect ;
	222	m_err = PMGetAdjustedPaperRect( native->GetPageFormat() , &paperRect ) ;
	223	// make sure (0,0) is at the upper left of the printable area (wx conventions)
	224	// Core Graphics initially has the lower left of the paper as 0,0
	225	if ( !m_err )
	226	CGContextTranslateCTM( pageContext , (CGFloat) -paperRect.left , (CGFloat) paperRect.bottom ) ;
	227
	228	// since this is a non-critical error, we set the flag back
	229	m_err = noErr ;
	230
	231	// Leopard deprecated PMSetResolution() which will not be available in 64 bit mode, so we avoid using it.
	232	// To set the proper drawing resolution, the docs suggest the use of CGContextScaleCTM(), so here we go; as a
	233	// consequence though, PMGetAdjustedPaperRect() and PMGetAdjustedPageRect() return unscaled rects, so we
	234	// have to manually scale them later.
	235	CGContextScaleCTM( pageContext, 72.0 / (double)m_ppi.x, -72.0 / (double)m_ppi.y);
	236
	237	impl->SetGraphicsContext( wxGraphicsContext::CreateFromNative( pageContext ) );
	238	}
	239	}
	240
	241	void wxMacCarbonPrinterDC::EndPage( wxPrinterDC* dc )
	242	{
	243	if ( m_err )
	244	return ;
	245
	246	wxPrinterDCImpl impl = (wxPrinterDCImpl) dc->GetImpl();
	247	wxOSXPrintData native = (wxOSXPrintData) impl->GetPrintData().GetNativeData() ;
	248
	249	m_err = PMSessionEndPageNoDialog(native->GetPrintSession());
	250	if ( m_err != noErr )
	251	{
	252	PMSessionEndDocumentNoDialog(native->GetPrintSession());
	253	}
	254	// the cg context we got when starting the page isn't valid anymore, so replace it
	255	impl->SetGraphicsContext( wxGraphicsContext::Create() );
	256	}
	257
	258	void wxMacCarbonPrinterDC::GetSize( int w , int h) const
	259	{
	260	if ( w )
	261	*w = m_maxX ;
	262	if ( h )
	263	*h = m_maxY ;
	264	}
	265
	266	wxSize wxMacCarbonPrinterDC::GetPPI() const
	267	{
	268	return m_ppi ;
	269	};
	270
	271	//
	272	//
	273	//
	274
	275	wxPrinterDCImpl::wxPrinterDCImpl( wxPrinterDC *owner, const wxPrintData& printdata )
	276	: wxGCDCImpl( owner )
	277	{
	278	m_ok = false ;
	279	m_printData = printdata ;
	280	m_printData.ConvertToNative() ;
	281	m_nativePrinterDC = wxNativePrinterDC::Create( &m_printData ) ;
	282	if ( m_nativePrinterDC )
	283	{
	284	m_ok = m_nativePrinterDC->Ok() ;
	285	if ( !m_ok )
	286	{
	287	wxString message ;
	288	message.Printf( wxT("Print Error %u"), m_nativePrinterDC->GetStatus() ) ;
	289	wxMessageDialog dialog( NULL , message , wxEmptyString, wxICON_HAND \| wxOK) ;
	290	dialog.ShowModal();
	291	}
	292	else
	293	{
	294	wxSize sz = GetPPI();
	295	m_mm_to_pix_x = mm2inches * sz.x;
	296	m_mm_to_pix_y = mm2inches * sz.y;
	297	}
	298	// we need at least a measuring context because people start measuring before a page
	299	// gets printed at all
	300	SetGraphicsContext( wxGraphicsContext::Create() );
	301	}
	302	}
	303
	304	wxSize wxPrinterDCImpl::GetPPI() const
	305	{
	306	return m_nativePrinterDC->GetPPI() ;
	307	}
	308
	309	wxPrinterDCImpl::~wxPrinterDCImpl()
	310	{
	311	delete m_nativePrinterDC ;
	312	}
	313
	314	bool wxPrinterDCImpl::StartDoc( const wxString& message )
	315	{
	316	wxASSERT_MSG( IsOk() , wxT("Called wxPrinterDC::StartDoc from an invalid object") ) ;
	317
	318	if ( !m_ok )
	319	return false ;
	320
	321	if ( m_nativePrinterDC->StartDoc( (wxPrinterDC*) GetOwner(), message ) )
	322	{
	323	// in case we have to do additional things when successful
	324	}
	325	m_ok = m_nativePrinterDC->Ok() ;
	326	if ( !m_ok )
	327	{
	328	wxString message ;
	329	message.Printf( wxT("Print Error %u"), m_nativePrinterDC->GetStatus() ) ;
	330	wxMessageDialog dialog( NULL , message , wxEmptyString, wxICON_HAND \| wxOK) ;
	331	dialog.ShowModal();
	332	}
	333
	334	return m_ok ;
	335	}
	336
	337	void wxPrinterDCImpl::EndDoc(void)
	338	{
	339	if ( !m_ok )
	340	return ;
	341
	342	m_nativePrinterDC->EndDoc( (wxPrinterDC*) GetOwner() ) ;
	343	m_ok = m_nativePrinterDC->Ok() ;
	344
	345	if ( !m_ok )
	346	{
	347	wxString message ;
	348	message.Printf( wxT("Print Error %u"), m_nativePrinterDC->GetStatus() ) ;
	349	wxMessageDialog dialog( NULL , message , wxEmptyString, wxICON_HAND \| wxOK) ;
	350	dialog.ShowModal();
	351	}
	352	}
	353
	354	wxRect wxPrinterDCImpl::GetPaperRect() const
	355	{
	356	wxCoord w, h;
	357	GetOwner()->GetSize(&w, &h);
	358	wxRect pageRect(0, 0, w, h);
	359	wxOSXPrintData native = (wxOSXPrintData) m_printData.GetNativeData() ;
	360	OSStatus err = noErr ;
	361	PMRect rPaper;
	362	err = PMGetAdjustedPaperRect(native->GetPageFormat(), &rPaper);
	363	if ( err != noErr )
	364	return pageRect;
	365
	366	wxSize ppi = GetOwner()->GetPPI();
	367	rPaper.right *= (ppi.x / 72.0);
	368	rPaper.bottom *= (ppi.y / 72.0);
	369	rPaper.left *= (ppi.x / 72.0);
	370	rPaper.top *= (ppi.y / 72.0);
	371
	372	return wxRect(wxCoord(rPaper.left), wxCoord(rPaper.top),
	373	wxCoord(rPaper.right - rPaper.left), wxCoord(rPaper.bottom - rPaper.top));
	374	}
	375
	376	void wxPrinterDCImpl::StartPage()
	377	{
	378	if ( !m_ok )
	379	return ;
	380
	381	m_logicalFunction = wxCOPY;
	382	// m_textAlignment = wxALIGN_TOP_LEFT;
	383	m_backgroundMode = wxTRANSPARENT;
	384
	385	m_textForegroundColour = *wxBLACK;
	386	m_textBackgroundColour = *wxWHITE;
	387	m_pen = *wxBLACK_PEN;
	388	m_font = *wxNORMAL_FONT;
	389	m_brush = *wxTRANSPARENT_BRUSH;
	390	m_backgroundBrush = *wxWHITE_BRUSH;
	391
	392	m_nativePrinterDC->StartPage( (wxPrinterDC*) GetOwner() ) ;
	393	m_ok = m_nativePrinterDC->Ok() ;
	394
	395	}
	396
	397	void wxPrinterDCImpl::EndPage()
	398	{
	399	if ( !m_ok )
	400	return ;
	401
	402	m_nativePrinterDC->EndPage( (wxPrinterDC*) GetOwner() );
	403	m_ok = m_nativePrinterDC->Ok() ;
	404	}
	405
	406	void wxPrinterDCImpl::DoGetSize(int width, int height) const
	407	{
	408	wxCHECK_RET( m_ok , wxT("GetSize() doesn't work without a valid wxPrinterDC") );
	409	m_nativePrinterDC->GetSize(width, height ) ;
	410	}
	411
	412	#endif