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 )
    {
#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);
            if ( m_err != noErr )
            {
                m_err = PMGetResolution((PMPageFormat) (native->GetPageFormat()), &res);
            }
#endif
        }
    }
    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)
    {
#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
            if ( PMPrinterGetPrinterResolution(printer, kPMCurrentValue, &res) != noErr )
            {
                res.hRes = res.vRes = 300;
            }
#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->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	#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	if ( m_err != noErr )
	109	{
	110	m_err = PMGetResolution((PMPageFormat) (native->GetPageFormat()), &res);
	111	}
	112	#endif
	113	}
	114	}
	115	else
	116	{
	117	res.hRes = res.vRes = 300;
	118	}
	119
	120	m_maxX = wxCoord((double)m_maxX * res.hRes / 72.0);
	121	m_maxY = wxCoord((double)m_maxY * res.vRes / 72.0);
	122
	123	m_ppi = wxSize(int(res.hRes), int(res.vRes));
	124	}
	125
	126	wxMacCarbonPrinterDC::~wxMacCarbonPrinterDC()
	127	{
	128	}
	129
	130	wxNativePrinterDC* wxNativePrinterDC::Create(wxPrintData* data)
	131	{
	132	return new wxMacCarbonPrinterDC(data) ;
	133	}
	134
	135	bool wxMacCarbonPrinterDC::StartDoc( wxPrinterDC* dc , const wxString& message )
	136	{
	137	if ( m_err )
	138	return false ;
	139
	140	wxPrinterDCImpl impl = (wxPrinterDCImpl) dc->GetImpl();
	141	wxOSXPrintData native = (wxOSXPrintData) impl->GetPrintData().GetNativeData() ;
	142
	143	PMPrintSettingsSetJobName(native->GetPrintSettings(), wxCFStringRef(message));
	144
	145	m_err = PMSessionBeginCGDocumentNoDialog(native->GetPrintSession(),
	146	native->GetPrintSettings(),
	147	native->GetPageFormat());
	148	if ( m_err != noErr )
	149	return false;
	150
	151	PMRect rPage;
	152	m_err = PMGetAdjustedPageRect(native->GetPageFormat(), &rPage);
	153	if ( m_err != noErr )
	154	return false ;
	155
	156	m_maxX = wxCoord(rPage.right - rPage.left) ;
	157	m_maxY = wxCoord(rPage.bottom - rPage.top);
	158
	159	PMResolution res;
	160	PMPrinter printer;
	161
	162	m_err = PMSessionGetCurrentPrinter(native->GetPrintSession(), &printer);
	163	if (m_err == noErr)
	164	{
	165	#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
	166	if ( PMPrinterGetOutputResolution != NULL )
	167	{
	168	m_err = PMPrinterGetOutputResolution( printer, native->GetPrintSettings(), &res) ;
	169	if ( m_err == -9589 /* kPMKeyNotFound */ )
	170	{
	171	m_err = noErr ;
	172	res.hRes = res.vRes = 300;
	173	}
	174	}
	175	else
	176	#endif
	177	{
	178	#if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
	179	if ( PMPrinterGetPrinterResolution(printer, kPMCurrentValue, &res) != noErr )
	180	{
	181	res.hRes = res.vRes = 300;
	182	}
	183	#endif
	184	}
	185	}
	186
	187	m_maxX = wxCoord((double)m_maxX * res.hRes / 72.0);
	188	m_maxY = wxCoord((double)m_maxY * res.vRes / 72.0);
	189
	190	m_ppi = wxSize(int(res.hRes), int(res.vRes));
	191	return true ;
	192	}
	193
	194	void wxMacCarbonPrinterDC::EndDoc( 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 = PMSessionEndDocumentNoDialog(native->GetPrintSession());
	203	}
	204
	205	void wxMacCarbonPrinterDC::StartPage( wxPrinterDC* dc )
	206	{
	207	if ( m_err )
	208	return ;
	209
	210	wxPrinterDCImpl impl = (wxPrinterDCImpl) dc->GetImpl();
	211	wxOSXPrintData native = (wxOSXPrintData) impl->GetPrintData().GetNativeData() ;
	212
	213	m_err = PMSessionBeginPageNoDialog(native->GetPrintSession(),
	214	native->GetPageFormat(),
	215	NULL);
	216
	217	CGContextRef pageContext;
	218
	219	if ( m_err == noErr )
	220	{
	221	m_err = PMSessionGetCGGraphicsContext(native->GetPrintSession(),
	222	&pageContext );
	223	}
	224
	225	if ( m_err != noErr )
	226	{
	227	PMSessionEndPageNoDialog(native->GetPrintSession());
	228	PMSessionEndDocumentNoDialog(native->GetPrintSession());
	229	}
	230	else
	231	{
	232	PMRect paperRect ;
	233	m_err = PMGetAdjustedPaperRect( native->GetPageFormat() , &paperRect ) ;
	234	// make sure (0,0) is at the upper left of the printable area (wx conventions)
	235	// Core Graphics initially has the lower left of the paper as 0,0
	236	if ( !m_err )
	237	CGContextTranslateCTM( pageContext , (CGFloat) -paperRect.left , (CGFloat) paperRect.bottom ) ;
	238
	239	// since this is a non-critical error, we set the flag back
	240	m_err = noErr ;
	241
	242	// Leopard deprecated PMSetResolution() which will not be available in 64 bit mode, so we avoid using it.
	243	// To set the proper drawing resolution, the docs suggest the use of CGContextScaleCTM(), so here we go; as a
	244	// consequence though, PMGetAdjustedPaperRect() and PMGetAdjustedPageRect() return unscaled rects, so we
	245	// have to manually scale them later.
	246	CGContextScaleCTM( pageContext, 72.0 / (double)m_ppi.x, -72.0 / (double)m_ppi.y);
	247
	248	impl->SetGraphicsContext( wxGraphicsContext::CreateFromNative( pageContext ) );
	249	}
	250	}
	251
	252	void wxMacCarbonPrinterDC::EndPage( wxPrinterDC* dc )
	253	{
	254	if ( m_err )
	255	return ;
	256
	257	wxPrinterDCImpl impl = (wxPrinterDCImpl) dc->GetImpl();
	258	wxOSXPrintData native = (wxOSXPrintData) impl->GetPrintData().GetNativeData() ;
	259
	260	m_err = PMSessionEndPageNoDialog(native->GetPrintSession());
	261	if ( m_err != noErr )
	262	{
	263	PMSessionEndDocumentNoDialog(native->GetPrintSession());
	264	}
	265	// the cg context we got when starting the page isn't valid anymore, so replace it
	266	impl->SetGraphicsContext( wxGraphicsContext::Create() );
	267	}
	268
	269	void wxMacCarbonPrinterDC::GetSize( int w , int h) const
	270	{
	271	if ( w )
	272	*w = m_maxX ;
	273	if ( h )
	274	*h = m_maxY ;
	275	}
	276
	277	wxSize wxMacCarbonPrinterDC::GetPPI() const
	278	{
	279	return m_ppi ;
	280	};
	281
	282	//
	283	//
	284	//
	285
	286	wxPrinterDCImpl::wxPrinterDCImpl( wxPrinterDC *owner, const wxPrintData& printdata )
	287	: wxGCDCImpl( owner )
	288	{
	289	m_ok = false ;
	290	m_printData = printdata ;
	291	m_printData.ConvertToNative() ;
	292	m_nativePrinterDC = wxNativePrinterDC::Create( &m_printData ) ;
	293	if ( m_nativePrinterDC )
	294	{
	295	m_ok = m_nativePrinterDC->IsOk() ;
	296	if ( !m_ok )
	297	{
	298	wxString message ;
	299	message.Printf( wxT("Print Error %u"), m_nativePrinterDC->GetStatus() ) ;
	300	wxMessageDialog dialog( NULL , message , wxEmptyString, wxICON_HAND \| wxOK) ;
	301	dialog.ShowModal();
	302	}
	303	else
	304	{
	305	wxSize sz = GetPPI();
	306	m_mm_to_pix_x = mm2inches * sz.x;
	307	m_mm_to_pix_y = mm2inches * sz.y;
	308	}
	309	// we need at least a measuring context because people start measuring before a page
	310	// gets printed at all
	311	SetGraphicsContext( wxGraphicsContext::Create() );
	312	}
	313	}
	314
	315	wxSize wxPrinterDCImpl::GetPPI() const
	316	{
	317	return m_nativePrinterDC->GetPPI() ;
	318	}
	319
	320	wxPrinterDCImpl::~wxPrinterDCImpl()
	321	{
	322	delete m_nativePrinterDC ;
	323	}
	324
	325	bool wxPrinterDCImpl::StartDoc( const wxString& message )
	326	{
	327	wxASSERT_MSG( IsOk() , wxT("Called wxPrinterDC::StartDoc from an invalid object") ) ;
	328
	329	if ( !m_ok )
	330	return false ;
	331
	332	if ( m_nativePrinterDC->StartDoc( (wxPrinterDC*) GetOwner(), message ) )
	333	{
	334	// in case we have to do additional things when successful
	335	}
	336	m_ok = m_nativePrinterDC->IsOk() ;
	337	if ( !m_ok )
	338	{
	339	wxString message ;
	340	message.Printf( wxT("Print Error %u"), m_nativePrinterDC->GetStatus() ) ;
	341	wxMessageDialog dialog( NULL , message , wxEmptyString, wxICON_HAND \| wxOK) ;
	342	dialog.ShowModal();
	343	}
	344
	345	return m_ok ;
	346	}
	347
	348	void wxPrinterDCImpl::EndDoc(void)
	349	{
	350	if ( !m_ok )
	351	return ;
	352
	353	m_nativePrinterDC->EndDoc( (wxPrinterDC*) GetOwner() ) ;
	354	m_ok = m_nativePrinterDC->IsOk() ;
	355
	356	if ( !m_ok )
	357	{
	358	wxString message ;
	359	message.Printf( wxT("Print Error %u"), m_nativePrinterDC->GetStatus() ) ;
	360	wxMessageDialog dialog( NULL , message , wxEmptyString, wxICON_HAND \| wxOK) ;
	361	dialog.ShowModal();
	362	}
	363	}
	364
	365	wxRect wxPrinterDCImpl::GetPaperRect() const
	366	{
	367	wxCoord w, h;
	368	GetOwner()->GetSize(&w, &h);
	369	wxRect pageRect(0, 0, w, h);
	370	wxOSXPrintData native = (wxOSXPrintData) m_printData.GetNativeData() ;
	371	OSStatus err = noErr ;
	372	PMRect rPaper;
	373	err = PMGetAdjustedPaperRect(native->GetPageFormat(), &rPaper);
	374	if ( err != noErr )
	375	return pageRect;
	376
	377	wxSize ppi = GetOwner()->GetPPI();
	378	rPaper.right *= (ppi.x / 72.0);
	379	rPaper.bottom *= (ppi.y / 72.0);
	380	rPaper.left *= (ppi.x / 72.0);
	381	rPaper.top *= (ppi.y / 72.0);
	382
	383	return wxRect(wxCoord(rPaper.left), wxCoord(rPaper.top),
	384	wxCoord(rPaper.right - rPaper.left), wxCoord(rPaper.bottom - rPaper.top));
	385	}
	386
	387	void wxPrinterDCImpl::StartPage()
	388	{
	389	if ( !m_ok )
	390	return ;
	391
	392	m_logicalFunction = wxCOPY;
	393	// m_textAlignment = wxALIGN_TOP_LEFT;
	394	m_backgroundMode = wxTRANSPARENT;
	395
	396	m_textForegroundColour = *wxBLACK;
	397	m_textBackgroundColour = *wxWHITE;
	398	m_pen = *wxBLACK_PEN;
	399	m_font = *wxNORMAL_FONT;
	400	m_brush = *wxTRANSPARENT_BRUSH;
	401	m_backgroundBrush = *wxWHITE_BRUSH;
	402
	403	m_nativePrinterDC->StartPage( (wxPrinterDC*) GetOwner() ) ;
	404	m_ok = m_nativePrinterDC->IsOk() ;
	405
	406	}
	407
	408	void wxPrinterDCImpl::EndPage()
	409	{
	410	if ( !m_ok )
	411	return ;
	412
	413	m_nativePrinterDC->EndPage( (wxPrinterDC*) GetOwner() );
	414	m_ok = m_nativePrinterDC->IsOk() ;
	415	}
	416
	417	void wxPrinterDCImpl::DoGetSize(int width, int height) const
	418	{
	419	wxCHECK_RET( m_ok , wxT("GetSize() doesn't work without a valid wxPrinterDC") );
	420	m_nativePrinterDC->GetSize(width, height ) ;
	421	}
	422
	423	#endif