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 IsOk() { 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 )
    {
        m_err = PMPrinterGetOutputResolution( printer, native->GetPrintSettings(), &res) ;
        if ( m_err == -9589 /* kPMKeyNotFound */ )
        {
            m_err = noErr ;
            res.hRes = res.vRes = 300;
        }
    }
    else
    {
        res.hRes = res.vRes = 300;
    }

    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)
    {
        m_err = PMPrinterGetOutputResolution( printer, native->GetPrintSettings(), &res) ;
        if ( m_err == -9589 /* kPMKeyNotFound */ )
        {
            m_err = noErr ;
            res.hRes = res.vRes = 300;
        }
    }

    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->IsOk() ;
        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->IsOk() ;
    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->IsOk() ;

    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->IsOk() ;

}

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

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

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 IsOk() { 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	m_err = PMPrinterGetOutputResolution( printer, native->GetPrintSettings(), &res) ;
	92	if ( m_err == -9589 /* kPMKeyNotFound */ )
	93	{
	94	m_err = noErr ;
	95	res.hRes = res.vRes = 300;
	96	}
	97	}
	98	else
	99	{
	100	res.hRes = res.vRes = 300;
	101	}
	102
	103	m_maxX = wxCoord((double)m_maxX * res.hRes / 72.0);
	104	m_maxY = wxCoord((double)m_maxY * res.vRes / 72.0);
	105
	106	m_ppi = wxSize(int(res.hRes), int(res.vRes));
	107	}
	108
	109	wxMacCarbonPrinterDC::~wxMacCarbonPrinterDC()
	110	{
	111	}
	112
	113	wxNativePrinterDC* wxNativePrinterDC::Create(wxPrintData* data)
	114	{
	115	return new wxMacCarbonPrinterDC(data) ;
	116	}
	117
	118	bool wxMacCarbonPrinterDC::StartDoc( wxPrinterDC* dc , const wxString& message )
	119	{
	120	if ( m_err )
	121	return false ;
	122
	123	wxPrinterDCImpl impl = (wxPrinterDCImpl) dc->GetImpl();
	124	wxOSXPrintData native = (wxOSXPrintData) impl->GetPrintData().GetNativeData() ;
	125
	126	PMPrintSettingsSetJobName(native->GetPrintSettings(), wxCFStringRef(message));
	127
	128	m_err = PMSessionBeginCGDocumentNoDialog(native->GetPrintSession(),
	129	native->GetPrintSettings(),
	130	native->GetPageFormat());
	131	if ( m_err != noErr )
	132	return false;
	133
	134	PMRect rPage;
	135	m_err = PMGetAdjustedPageRect(native->GetPageFormat(), &rPage);
	136	if ( m_err != noErr )
	137	return false ;
	138
	139	m_maxX = wxCoord(rPage.right - rPage.left) ;
	140	m_maxY = wxCoord(rPage.bottom - rPage.top);
	141
	142	PMResolution res;
	143	PMPrinter printer;
	144
	145	m_err = PMSessionGetCurrentPrinter(native->GetPrintSession(), &printer);
	146	if (m_err == noErr)
	147	{
	148	m_err = PMPrinterGetOutputResolution( printer, native->GetPrintSettings(), &res) ;
	149	if ( m_err == -9589 /* kPMKeyNotFound */ )
	150	{
	151	m_err = noErr ;
	152	res.hRes = res.vRes = 300;
	153	}
	154	}
	155
	156	m_maxX = wxCoord((double)m_maxX * res.hRes / 72.0);
	157	m_maxY = wxCoord((double)m_maxY * res.vRes / 72.0);
	158
	159	m_ppi = wxSize(int(res.hRes), int(res.vRes));
	160	return true ;
	161	}
	162
	163	void wxMacCarbonPrinterDC::EndDoc( wxPrinterDC* dc )
	164	{
	165	if ( m_err )
	166	return ;
	167
	168	wxPrinterDCImpl impl = (wxPrinterDCImpl) dc->GetImpl();
	169	wxOSXPrintData native = (wxOSXPrintData) impl->GetPrintData().GetNativeData() ;
	170
	171	m_err = PMSessionEndDocumentNoDialog(native->GetPrintSession());
	172	}
	173
	174	void wxMacCarbonPrinterDC::StartPage( wxPrinterDC* dc )
	175	{
	176	if ( m_err )
	177	return ;
	178
	179	wxPrinterDCImpl impl = (wxPrinterDCImpl) dc->GetImpl();
	180	wxOSXPrintData native = (wxOSXPrintData) impl->GetPrintData().GetNativeData() ;
	181
	182	m_err = PMSessionBeginPageNoDialog(native->GetPrintSession(),
	183	native->GetPageFormat(),
	184	NULL);
	185
	186	CGContextRef pageContext;
	187
	188	if ( m_err == noErr )
	189	{
	190	m_err = PMSessionGetCGGraphicsContext(native->GetPrintSession(),
	191	&pageContext );
	192	}
	193
	194	if ( m_err != noErr )
	195	{
	196	PMSessionEndPageNoDialog(native->GetPrintSession());
	197	PMSessionEndDocumentNoDialog(native->GetPrintSession());
	198	}
	199	else
	200	{
	201	PMRect paperRect ;
	202	m_err = PMGetAdjustedPaperRect( native->GetPageFormat() , &paperRect ) ;
	203	// make sure (0,0) is at the upper left of the printable area (wx conventions)
	204	// Core Graphics initially has the lower left of the paper as 0,0
	205	if ( !m_err )
	206	CGContextTranslateCTM( pageContext , (CGFloat) -paperRect.left , (CGFloat) paperRect.bottom ) ;
	207
	208	// since this is a non-critical error, we set the flag back
	209	m_err = noErr ;
	210
	211	// Leopard deprecated PMSetResolution() which will not be available in 64 bit mode, so we avoid using it.
	212	// To set the proper drawing resolution, the docs suggest the use of CGContextScaleCTM(), so here we go; as a
	213	// consequence though, PMGetAdjustedPaperRect() and PMGetAdjustedPageRect() return unscaled rects, so we
	214	// have to manually scale them later.
	215	CGContextScaleCTM( pageContext, 72.0 / (double)m_ppi.x, -72.0 / (double)m_ppi.y);
	216
	217	impl->SetGraphicsContext( wxGraphicsContext::CreateFromNative( pageContext ) );
	218	}
	219	}
	220
	221	void wxMacCarbonPrinterDC::EndPage( wxPrinterDC* dc )
	222	{
	223	if ( m_err )
	224	return ;
	225
	226	wxPrinterDCImpl impl = (wxPrinterDCImpl) dc->GetImpl();
	227	wxOSXPrintData native = (wxOSXPrintData) impl->GetPrintData().GetNativeData() ;
	228
	229	m_err = PMSessionEndPageNoDialog(native->GetPrintSession());
	230	if ( m_err != noErr )
	231	{
	232	PMSessionEndDocumentNoDialog(native->GetPrintSession());
	233	}
	234	// the cg context we got when starting the page isn't valid anymore, so replace it
	235	impl->SetGraphicsContext( wxGraphicsContext::Create() );
	236	}
	237
	238	void wxMacCarbonPrinterDC::GetSize( int w , int h) const
	239	{
	240	if ( w )
	241	*w = m_maxX ;
	242	if ( h )
	243	*h = m_maxY ;
	244	}
	245
	246	wxSize wxMacCarbonPrinterDC::GetPPI() const
	247	{
	248	return m_ppi ;
	249	};
	250
	251	//
	252	//
	253	//
	254
	255	wxPrinterDCImpl::wxPrinterDCImpl( wxPrinterDC *owner, const wxPrintData& printdata )
	256	: wxGCDCImpl( owner )
	257	{
	258	m_ok = false ;
	259	m_printData = printdata ;
	260	m_printData.ConvertToNative() ;
	261	m_nativePrinterDC = wxNativePrinterDC::Create( &m_printData ) ;
	262	if ( m_nativePrinterDC )
	263	{
	264	m_ok = m_nativePrinterDC->IsOk() ;
	265	if ( !m_ok )
	266	{
	267	wxString message ;
	268	message.Printf( wxT("Print Error %u"), m_nativePrinterDC->GetStatus() ) ;
	269	wxMessageDialog dialog( NULL , message , wxEmptyString, wxICON_HAND \| wxOK) ;
	270	dialog.ShowModal();
	271	}
	272	else
	273	{
	274	wxSize sz = GetPPI();
	275	m_mm_to_pix_x = mm2inches * sz.x;
	276	m_mm_to_pix_y = mm2inches * sz.y;
	277	}
	278	// we need at least a measuring context because people start measuring before a page
	279	// gets printed at all
	280	SetGraphicsContext( wxGraphicsContext::Create() );
	281	}
	282	}
	283
	284	wxSize wxPrinterDCImpl::GetPPI() const
	285	{
	286	return m_nativePrinterDC->GetPPI() ;
	287	}
	288
	289	wxPrinterDCImpl::~wxPrinterDCImpl()
	290	{
	291	delete m_nativePrinterDC ;
	292	}
	293
	294	bool wxPrinterDCImpl::StartDoc( const wxString& message )
	295	{
	296	wxASSERT_MSG( IsOk() , wxT("Called wxPrinterDC::StartDoc from an invalid object") ) ;
	297
	298	if ( !m_ok )
	299	return false ;
	300
	301	if ( m_nativePrinterDC->StartDoc( (wxPrinterDC*) GetOwner(), message ) )
	302	{
	303	// in case we have to do additional things when successful
	304	}
	305	m_ok = m_nativePrinterDC->IsOk() ;
	306	if ( !m_ok )
	307	{
	308	wxString message ;
	309	message.Printf( wxT("Print Error %u"), m_nativePrinterDC->GetStatus() ) ;
	310	wxMessageDialog dialog( NULL , message , wxEmptyString, wxICON_HAND \| wxOK) ;
	311	dialog.ShowModal();
	312	}
	313
	314	return m_ok ;
	315	}
	316
	317	void wxPrinterDCImpl::EndDoc(void)
	318	{
	319	if ( !m_ok )
	320	return ;
	321
	322	m_nativePrinterDC->EndDoc( (wxPrinterDC*) GetOwner() ) ;
	323	m_ok = m_nativePrinterDC->IsOk() ;
	324
	325	if ( !m_ok )
	326	{
	327	wxString message ;
	328	message.Printf( wxT("Print Error %u"), m_nativePrinterDC->GetStatus() ) ;
	329	wxMessageDialog dialog( NULL , message , wxEmptyString, wxICON_HAND \| wxOK) ;
	330	dialog.ShowModal();
	331	}
	332	}
	333
	334	wxRect wxPrinterDCImpl::GetPaperRect() const
	335	{
	336	wxCoord w, h;
	337	GetOwner()->GetSize(&w, &h);
	338	wxRect pageRect(0, 0, w, h);
	339	wxOSXPrintData native = (wxOSXPrintData) m_printData.GetNativeData() ;
	340	OSStatus err = noErr ;
	341	PMRect rPaper;
	342	err = PMGetAdjustedPaperRect(native->GetPageFormat(), &rPaper);
	343	if ( err != noErr )
	344	return pageRect;
	345
	346	wxSize ppi = GetOwner()->GetPPI();
	347	rPaper.right *= (ppi.x / 72.0);
	348	rPaper.bottom *= (ppi.y / 72.0);
	349	rPaper.left *= (ppi.x / 72.0);
	350	rPaper.top *= (ppi.y / 72.0);
	351
	352	return wxRect(wxCoord(rPaper.left), wxCoord(rPaper.top),
	353	wxCoord(rPaper.right - rPaper.left), wxCoord(rPaper.bottom - rPaper.top));
	354	}
	355
	356	void wxPrinterDCImpl::StartPage()
	357	{
	358	if ( !m_ok )
	359	return ;
	360
	361	m_logicalFunction = wxCOPY;
	362	// m_textAlignment = wxALIGN_TOP_LEFT;
	363	m_backgroundMode = wxTRANSPARENT;
	364
	365	m_textForegroundColour = *wxBLACK;
	366	m_textBackgroundColour = *wxWHITE;
	367	m_pen = *wxBLACK_PEN;
	368	m_font = *wxNORMAL_FONT;
	369	m_brush = *wxTRANSPARENT_BRUSH;
	370	m_backgroundBrush = *wxWHITE_BRUSH;
	371
	372	m_nativePrinterDC->StartPage( (wxPrinterDC*) GetOwner() ) ;
	373	m_ok = m_nativePrinterDC->IsOk() ;
	374
	375	}
	376
	377	void wxPrinterDCImpl::EndPage()
	378	{
	379	if ( !m_ok )
	380	return ;
	381
	382	m_nativePrinterDC->EndPage( (wxPrinterDC*) GetOwner() );
	383	m_ok = m_nativePrinterDC->IsOk() ;
	384	}
	385
	386	void wxPrinterDCImpl::DoGetSize(int width, int height) const
	387	{
	388	wxCHECK_RET( m_ok , wxT("GetSize() doesn't work without a valid wxPrinterDC") );
	389	m_nativePrinterDC->GetSize(width, height ) ;
	390	}
	391
	392	#endif