src/mac/carbon/dcprint.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        src/mac/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/mac/uma.h"
#include "wx/mac/private/print.h"
#include "wx/mac/carbon/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 ;
    wxMacCarbonPrintData *native = (wxMacCarbonPrintData*) data->GetNativeData() ;

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

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

    PMResolution res;

#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
    if ( PMPrinterGetOutputResolution != NULL )
    {
        PMPrinter printer;
        m_err = PMSessionGetCurrentPrinter(native->m_macPrintSession, &printer);
        if ( m_err == noErr )
        {
            m_err = PMPrinterGetOutputResolution( printer, native->m_macPrintSettings, &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 = PMGetResolution((PMPageFormat) (native->m_macPageFormat), &res);
#endif
    }

    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& WXUNUSED(message)  )
{
    if ( m_err )
        return false ;

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

    m_err = PMSessionBeginCGDocumentNoDialog(native->m_macPrintSession,
              native->m_macPrintSettings,
              native->m_macPageFormat);
    if ( m_err != noErr )
        return false;

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

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

    PMResolution res;
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
    if ( PMPrinterGetOutputResolution != NULL )
    {
        PMPrinter printer;
        m_err = PMSessionGetCurrentPrinter(native->m_macPrintSession, &printer);
        if ( m_err == noErr )
        {
            m_err = PMPrinterGetOutputResolution( printer, native->m_macPrintSettings, &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 = PMGetResolution((PMPageFormat) (native->m_macPageFormat), &res);
#endif
    }

    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();
    wxMacCarbonPrintData *native = (wxMacCarbonPrintData*) impl->GetPrintData().GetNativeData() ;

    m_err = PMSessionEndDocumentNoDialog(native->m_macPrintSession);
}

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

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

    m_err = PMSessionBeginPageNoDialog(native->m_macPrintSession,
                 native->m_macPageFormat,
                 nil);

    CGContextRef pageContext;

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

    if ( m_err != noErr )
    {
        PMSessionEndPageNoDialog(native->m_macPrintSession);
        PMSessionEndDocumentNoDialog(native->m_macPrintSession);
    }
    else
    {
        PMRect rPage;

        m_err = PMGetAdjustedPageRect(native->m_macPageFormat, &rPage);
        if ( !m_err )
        {
            PMRect paperRect ;
            PMGetAdjustedPaperRect( native->m_macPageFormat , &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
            CGContextTranslateCTM( pageContext , -paperRect.left , paperRect.bottom ) ;
            CGContextScaleCTM( pageContext , 1 , -1 ) ;
        }
        // since this is a non-critical error, we set the flag back
        m_err = noErr ;
    }
    impl->SetGraphicsContext( wxGraphicsContext::CreateFromNative( pageContext ) );
}

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

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

    m_err = PMSessionEndPageNoDialog(native->m_macPrintSession);
    if ( m_err != noErr )
    {
        PMSessionEndDocumentNoDialog(native->m_macPrintSession);
    }
    // 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()
{
    wxCoord w, h;
    GetOwner()->GetSize(&w, &h);
    wxRect pageRect(0, 0, w, h);
    wxMacCarbonPrintData *native = (wxMacCarbonPrintData*) m_printData.GetNativeData() ;
    OSStatus err = noErr ;
    PMRect rPaper;
    err = PMGetAdjustedPaperRect(native->m_macPageFormat, &rPaper);
    if ( err != noErr )
        return pageRect;
    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 , _T("GetSize() doesn't work without a valid wxPrinterDC") );
    m_nativePrinterDC->GetSize(width,  height ) ;
}

#endif
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: src/mac/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/mac/uma.h"
	29	#include "wx/mac/private/print.h"
	30	#include "wx/mac/carbon/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	wxMacCarbonPrintData native = (wxMacCarbonPrintData) data->GetNativeData() ;
	77
	78	PMRect rPage;
	79	m_err = PMGetAdjustedPageRect(native->m_macPageFormat, &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
	88	#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
	89	if ( PMPrinterGetOutputResolution != NULL )
	90	{
	91	PMPrinter printer;
	92	m_err = PMSessionGetCurrentPrinter(native->m_macPrintSession, &printer);
	93	if ( m_err == noErr )
	94	{
	95	m_err = PMPrinterGetOutputResolution( printer, native->m_macPrintSettings, &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 = PMGetResolution((PMPageFormat) (native->m_macPageFormat), &res);
	108	#endif
	109	}
	110
	111	m_ppi = wxSize(int(res.hRes), int(res.vRes));
	112	}
	113
	114	wxMacCarbonPrinterDC::~wxMacCarbonPrinterDC()
	115	{
	116	}
	117
	118	wxNativePrinterDC* wxNativePrinterDC::Create(wxPrintData* data)
	119	{
	120	return new wxMacCarbonPrinterDC(data) ;
	121	}
	122
	123	bool wxMacCarbonPrinterDC::StartDoc( wxPrinterDC* dc , const wxString& WXUNUSED(message) )
	124	{
	125	if ( m_err )
	126	return false ;
	127
	128	wxPrinterDCImpl impl = (wxPrinterDCImpl) dc->GetImpl();
	129	wxMacCarbonPrintData native = (wxMacCarbonPrintData) impl->GetPrintData().GetNativeData() ;
	130
	131	m_err = PMSessionBeginCGDocumentNoDialog(native->m_macPrintSession,
	132	native->m_macPrintSettings,
	133	native->m_macPageFormat);
	134	if ( m_err != noErr )
	135	return false;
	136
	137	PMRect rPage;
	138	m_err = PMGetAdjustedPageRect(native->m_macPageFormat, &rPage);
	139	if ( m_err != noErr )
	140	return false ;
	141
	142	m_maxX = wxCoord(rPage.right - rPage.left) ;
	143	m_maxY = wxCoord(rPage.bottom - rPage.top);
	144
	145	PMResolution res;
	146	#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
	147	if ( PMPrinterGetOutputResolution != NULL )
	148	{
	149	PMPrinter printer;
	150	m_err = PMSessionGetCurrentPrinter(native->m_macPrintSession, &printer);
	151	if ( m_err == noErr )
	152	{
	153	m_err = PMPrinterGetOutputResolution( printer, native->m_macPrintSettings, &res) ;
	154	if ( m_err == -9589 /* kPMKeyNotFound */ )
	155	{
	156	m_err = noErr ;
	157	res.hRes = res.vRes = 300;
	158	}
	159	}
	160	}
	161	else
	162	#endif
	163	{
	164	#if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
	165	m_err = PMGetResolution((PMPageFormat) (native->m_macPageFormat), &res);
	166	#endif
	167	}
	168
	169	m_ppi = wxSize(int(res.hRes), int(res.vRes));
	170	return true ;
	171	}
	172
	173	void wxMacCarbonPrinterDC::EndDoc( wxPrinterDC* dc )
	174	{
	175	if ( m_err )
	176	return ;
	177
	178	wxPrinterDCImpl impl = (wxPrinterDCImpl) dc->GetImpl();
	179	wxMacCarbonPrintData native = (wxMacCarbonPrintData) impl->GetPrintData().GetNativeData() ;
	180
	181	m_err = PMSessionEndDocumentNoDialog(native->m_macPrintSession);
	182	}
	183
	184	void wxMacCarbonPrinterDC::StartPage( wxPrinterDC* dc )
	185	{
	186	if ( m_err )
	187	return ;
	188
	189	wxPrinterDCImpl impl = (wxPrinterDCImpl) dc->GetImpl();
	190	wxMacCarbonPrintData native = (wxMacCarbonPrintData) impl->GetPrintData().GetNativeData() ;
	191
	192	m_err = PMSessionBeginPageNoDialog(native->m_macPrintSession,
	193	native->m_macPageFormat,
	194	nil);
	195
	196	CGContextRef pageContext;
	197
	198	if ( m_err == noErr )
	199	{
	200	m_err = PMSessionGetCGGraphicsContext(native->m_macPrintSession,
	201	&pageContext );
	202	}
	203
	204	if ( m_err != noErr )
	205	{
	206	PMSessionEndPageNoDialog(native->m_macPrintSession);
	207	PMSessionEndDocumentNoDialog(native->m_macPrintSession);
	208	}
	209	else
	210	{
	211	PMRect rPage;
	212
	213	m_err = PMGetAdjustedPageRect(native->m_macPageFormat, &rPage);
	214	if ( !m_err )
	215	{
	216	PMRect paperRect ;
	217	PMGetAdjustedPaperRect( native->m_macPageFormat , &paperRect ) ;
	218	// make sure (0,0) is at the upper left of the printable area (wx conventions)
	219	// Core Graphics initially has the lower left of the paper as 0,0
	220	CGContextTranslateCTM( pageContext , -paperRect.left , paperRect.bottom ) ;
	221	CGContextScaleCTM( pageContext , 1 , -1 ) ;
	222	}
	223	// since this is a non-critical error, we set the flag back
	224	m_err = noErr ;
	225	}
	226	impl->SetGraphicsContext( wxGraphicsContext::CreateFromNative( pageContext ) );
	227	}
	228
	229	void wxMacCarbonPrinterDC::EndPage( wxPrinterDC* dc )
	230	{
	231	if ( m_err )
	232	return ;
	233
	234	wxPrinterDCImpl impl = (wxPrinterDCImpl) dc->GetImpl();
	235	wxMacCarbonPrintData native = (wxMacCarbonPrintData) impl->GetPrintData().GetNativeData() ;
	236
	237	m_err = PMSessionEndPageNoDialog(native->m_macPrintSession);
	238	if ( m_err != noErr )
	239	{
	240	PMSessionEndDocumentNoDialog(native->m_macPrintSession);
	241	}
	242	// the cg context we got when starting the page isn't valid anymore, so replace it
	243	impl->SetGraphicsContext( wxGraphicsContext::Create() );
	244	}
	245
	246	void wxMacCarbonPrinterDC::GetSize( int w , int h) const
	247	{
	248	if ( w )
	249	*w = m_maxX ;
	250	if ( h )
	251	*h = m_maxY ;
	252	}
	253
	254	wxSize wxMacCarbonPrinterDC::GetPPI() const
	255	{
	256	return m_ppi ;
	257	};
	258
	259	//
	260	//
	261	//
	262
	263	wxPrinterDCImpl::wxPrinterDCImpl( wxPrinterDC *owner, const wxPrintData& printdata )
	264	: wxGCDCImpl( owner )
	265	{
	266	m_ok = false ;
	267	m_printData = printdata ;
	268	m_printData.ConvertToNative() ;
	269	m_nativePrinterDC = wxNativePrinterDC::Create( &m_printData ) ;
	270	if ( m_nativePrinterDC )
	271	{
	272	m_ok = m_nativePrinterDC->Ok() ;
	273	if ( !m_ok )
	274	{
	275	wxString message ;
	276	message.Printf( wxT("Print Error %u"), m_nativePrinterDC->GetStatus() ) ;
	277	wxMessageDialog dialog( NULL , message , wxEmptyString, wxICON_HAND \| wxOK) ;
	278	dialog.ShowModal();
	279	}
	280	else
	281	{
	282	wxSize sz = GetPPI();
	283	m_mm_to_pix_x = mm2inches * sz.x;
	284	m_mm_to_pix_y = mm2inches * sz.y;
	285	}
	286	// we need at least a measuring context because people start measuring before a page
	287	// gets printed at all
	288	SetGraphicsContext( wxGraphicsContext::Create() );
	289	}
	290	}
	291
	292	wxSize wxPrinterDCImpl::GetPPI() const
	293	{
	294	return m_nativePrinterDC->GetPPI() ;
	295	}
	296
	297	wxPrinterDCImpl::~wxPrinterDCImpl()
	298	{
	299	delete m_nativePrinterDC ;
	300	}
	301
	302	bool wxPrinterDCImpl::StartDoc( const wxString& message )
	303	{
	304	wxASSERT_MSG( IsOk() , wxT("Called wxPrinterDC::StartDoc from an invalid object") ) ;
	305
	306	if ( !m_ok )
	307	return false ;
	308
	309	if ( m_nativePrinterDC->StartDoc( (wxPrinterDC*) GetOwner(), message ) )
	310	{
	311	// in case we have to do additional things when successful
	312	}
	313	m_ok = m_nativePrinterDC->Ok() ;
	314	if ( !m_ok )
	315	{
	316	wxString message ;
	317	message.Printf( wxT("Print Error %u"), m_nativePrinterDC->GetStatus() ) ;
	318	wxMessageDialog dialog( NULL , message , wxEmptyString, wxICON_HAND \| wxOK) ;
	319	dialog.ShowModal();
	320	}
	321
	322	return m_ok ;
	323	}
	324
	325	void wxPrinterDCImpl::EndDoc(void)
	326	{
	327	if ( !m_ok )
	328	return ;
	329
	330	m_nativePrinterDC->EndDoc( (wxPrinterDC*) GetOwner() ) ;
	331	m_ok = m_nativePrinterDC->Ok() ;
	332
	333	if ( !m_ok )
	334	{
	335	wxString message ;
	336	message.Printf( wxT("Print Error %u"), m_nativePrinterDC->GetStatus() ) ;
	337	wxMessageDialog dialog( NULL , message , wxEmptyString, wxICON_HAND \| wxOK) ;
	338	dialog.ShowModal();
	339	}
	340	}
	341
	342	wxRect wxPrinterDCImpl::GetPaperRect()
	343	{
	344	wxCoord w, h;
	345	GetOwner()->GetSize(&w, &h);
	346	wxRect pageRect(0, 0, w, h);
	347	wxMacCarbonPrintData native = (wxMacCarbonPrintData) m_printData.GetNativeData() ;
	348	OSStatus err = noErr ;
	349	PMRect rPaper;
	350	err = PMGetAdjustedPaperRect(native->m_macPageFormat, &rPaper);
	351	if ( err != noErr )
	352	return pageRect;
	353	return wxRect(wxCoord(rPaper.left), wxCoord(rPaper.top),
	354	wxCoord(rPaper.right - rPaper.left), wxCoord(rPaper.bottom - rPaper.top));
	355	}
	356
	357	void wxPrinterDCImpl::StartPage()
	358	{
	359	if ( !m_ok )
	360	return ;
	361
	362	m_logicalFunction = wxCOPY;
	363	// m_textAlignment = wxALIGN_TOP_LEFT;
	364	m_backgroundMode = wxTRANSPARENT;
	365
	366	m_textForegroundColour = *wxBLACK;
	367	m_textBackgroundColour = *wxWHITE;
	368	m_pen = *wxBLACK_PEN;
	369	m_font = *wxNORMAL_FONT;
	370	m_brush = *wxTRANSPARENT_BRUSH;
	371	m_backgroundBrush = *wxWHITE_BRUSH;
	372
	373	m_nativePrinterDC->StartPage( (wxPrinterDC*) GetOwner() ) ;
	374	m_ok = m_nativePrinterDC->Ok() ;
	375
	376	}
	377
	378	void wxPrinterDCImpl::EndPage()
	379	{
	380	if ( !m_ok )
	381	return ;
	382
	383	m_nativePrinterDC->EndPage( (wxPrinterDC*) GetOwner() );
	384	m_ok = m_nativePrinterDC->Ok() ;
	385	}
	386
	387	void wxPrinterDCImpl::DoGetSize(int width, int height) const
	388	{
	389	wxCHECK_RET( m_ok , _T("GetSize() doesn't work without a valid wxPrinterDC") );
	390	m_nativePrinterDC->GetSize(width, height ) ;
	391	}
	392
	393	#endif