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);
            if ( m_err != noErr )
            {
                m_err = PMGetResolution((PMPageFormat) (native->GetPageFormat()), &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
            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->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	if ( m_err != noErr )
	109	{
	110	m_err = PMGetResolution((PMPageFormat) (native->GetPageFormat()), &res);
	111	}
	112	#endif
	113	}
	114	}
	115
	116	m_maxX = wxCoord((double)m_maxX * res.hRes / 72.0);
	117	m_maxY = wxCoord((double)m_maxY * res.vRes / 72.0);
	118
	119	m_ppi = wxSize(int(res.hRes), int(res.vRes));
	120	}
	121
	122	wxMacCarbonPrinterDC::~wxMacCarbonPrinterDC()
	123	{
	124	}
	125
	126	wxNativePrinterDC* wxNativePrinterDC::Create(wxPrintData* data)
	127	{
	128	return new wxMacCarbonPrinterDC(data) ;
	129	}
	130
	131	bool wxMacCarbonPrinterDC::StartDoc( wxPrinterDC* dc , const wxString& message )
	132	{
	133	if ( m_err )
	134	return false ;
	135
	136	wxPrinterDCImpl impl = (wxPrinterDCImpl) dc->GetImpl();
	137	wxOSXPrintData native = (wxOSXPrintData) impl->GetPrintData().GetNativeData() ;
	138
	139	PMPrintSettingsSetJobName(native->GetPrintSettings(), wxCFStringRef(message));
	140
	141	m_err = PMSessionBeginCGDocumentNoDialog(native->GetPrintSession(),
	142	native->GetPrintSettings(),
	143	native->GetPageFormat());
	144	if ( m_err != noErr )
	145	return false;
	146
	147	PMRect rPage;
	148	m_err = PMGetAdjustedPageRect(native->GetPageFormat(), &rPage);
	149	if ( m_err != noErr )
	150	return false ;
	151
	152	m_maxX = wxCoord(rPage.right - rPage.left) ;
	153	m_maxY = wxCoord(rPage.bottom - rPage.top);
	154
	155	PMResolution res;
	156	PMPrinter printer;
	157
	158	m_err = PMSessionGetCurrentPrinter(native->GetPrintSession(), &printer);
	159	if (m_err == noErr)
	160	{
	161	#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
	162	if ( PMPrinterGetOutputResolution != NULL )
	163	{
	164	m_err = PMPrinterGetOutputResolution( printer, native->GetPrintSettings(), &res) ;
	165	if ( m_err == -9589 /* kPMKeyNotFound */ )
	166	{
	167	m_err = noErr ;
	168	res.hRes = res.vRes = 300;
	169	}
	170	}
	171	else
	172	#endif
	173	{
	174	#if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
	175	if ( PMPrinterGetPrinterResolution(printer, kPMCurrentValue, &res) != noErr )
	176	{
	177	res.hRes = res.vRes = 300;
	178	}
	179	#endif
	180	}
	181	}
	182
	183	m_maxX = wxCoord((double)m_maxX * res.hRes / 72.0);
	184	m_maxY = wxCoord((double)m_maxY * res.vRes / 72.0);
	185
	186	m_ppi = wxSize(int(res.hRes), int(res.vRes));
	187	return true ;
	188	}
	189
	190	void wxMacCarbonPrinterDC::EndDoc( wxPrinterDC* dc )
	191	{
	192	if ( m_err )
	193	return ;
	194
	195	wxPrinterDCImpl impl = (wxPrinterDCImpl) dc->GetImpl();
	196	wxOSXPrintData native = (wxOSXPrintData) impl->GetPrintData().GetNativeData() ;
	197
	198	m_err = PMSessionEndDocumentNoDialog(native->GetPrintSession());
	199	}
	200
	201	void wxMacCarbonPrinterDC::StartPage( wxPrinterDC* dc )
	202	{
	203	if ( m_err )
	204	return ;
	205
	206	wxPrinterDCImpl impl = (wxPrinterDCImpl) dc->GetImpl();
	207	wxOSXPrintData native = (wxOSXPrintData) impl->GetPrintData().GetNativeData() ;
	208
	209	m_err = PMSessionBeginPageNoDialog(native->GetPrintSession(),
	210	native->GetPageFormat(),
	211	NULL);
	212
	213	CGContextRef pageContext;
	214
	215	if ( m_err == noErr )
	216	{
	217	m_err = PMSessionGetCGGraphicsContext(native->GetPrintSession(),
	218	&pageContext );
	219	}
	220
	221	if ( m_err != noErr )
	222	{
	223	PMSessionEndPageNoDialog(native->GetPrintSession());
	224	PMSessionEndDocumentNoDialog(native->GetPrintSession());
	225	}
	226	else
	227	{
	228	PMRect paperRect ;
	229	m_err = PMGetAdjustedPaperRect( native->GetPageFormat() , &paperRect ) ;
	230	// make sure (0,0) is at the upper left of the printable area (wx conventions)
	231	// Core Graphics initially has the lower left of the paper as 0,0
	232	if ( !m_err )
	233	CGContextTranslateCTM( pageContext , (CGFloat) -paperRect.left , (CGFloat) paperRect.bottom ) ;
	234
	235	// since this is a non-critical error, we set the flag back
	236	m_err = noErr ;
	237
	238	// Leopard deprecated PMSetResolution() which will not be available in 64 bit mode, so we avoid using it.
	239	// To set the proper drawing resolution, the docs suggest the use of CGContextScaleCTM(), so here we go; as a
	240	// consequence though, PMGetAdjustedPaperRect() and PMGetAdjustedPageRect() return unscaled rects, so we
	241	// have to manually scale them later.
	242	CGContextScaleCTM( pageContext, 72.0 / (double)m_ppi.x, -72.0 / (double)m_ppi.y);
	243
	244	impl->SetGraphicsContext( wxGraphicsContext::CreateFromNative( pageContext ) );
	245	}
	246	}
	247
	248	void wxMacCarbonPrinterDC::EndPage( wxPrinterDC* dc )
	249	{
	250	if ( m_err )
	251	return ;
	252
	253	wxPrinterDCImpl impl = (wxPrinterDCImpl) dc->GetImpl();
	254	wxOSXPrintData native = (wxOSXPrintData) impl->GetPrintData().GetNativeData() ;
	255
	256	m_err = PMSessionEndPageNoDialog(native->GetPrintSession());
	257	if ( m_err != noErr )
	258	{
	259	PMSessionEndDocumentNoDialog(native->GetPrintSession());
	260	}
	261	// the cg context we got when starting the page isn't valid anymore, so replace it
	262	impl->SetGraphicsContext( wxGraphicsContext::Create() );
	263	}
	264
	265	void wxMacCarbonPrinterDC::GetSize( int w , int h) const
	266	{
	267	if ( w )
	268	*w = m_maxX ;
	269	if ( h )
	270	*h = m_maxY ;
	271	}
	272
	273	wxSize wxMacCarbonPrinterDC::GetPPI() const
	274	{
	275	return m_ppi ;
	276	};
	277
	278	//
	279	//
	280	//
	281
	282	wxPrinterDCImpl::wxPrinterDCImpl( wxPrinterDC *owner, const wxPrintData& printdata )
	283	: wxGCDCImpl( owner )
	284	{
	285	m_ok = false ;
	286	m_printData = printdata ;
	287	m_printData.ConvertToNative() ;
	288	m_nativePrinterDC = wxNativePrinterDC::Create( &m_printData ) ;
	289	if ( m_nativePrinterDC )
	290	{
	291	m_ok = m_nativePrinterDC->Ok() ;
	292	if ( !m_ok )
	293	{
	294	wxString message ;
	295	message.Printf( wxT("Print Error %u"), m_nativePrinterDC->GetStatus() ) ;
	296	wxMessageDialog dialog( NULL , message , wxEmptyString, wxICON_HAND \| wxOK) ;
	297	dialog.ShowModal();
	298	}
	299	else
	300	{
	301	wxSize sz = GetPPI();
	302	m_mm_to_pix_x = mm2inches * sz.x;
	303	m_mm_to_pix_y = mm2inches * sz.y;
	304	}
	305	// we need at least a measuring context because people start measuring before a page
	306	// gets printed at all
	307	SetGraphicsContext( wxGraphicsContext::Create() );
	308	}
	309	}
	310
	311	wxSize wxPrinterDCImpl::GetPPI() const
	312	{
	313	return m_nativePrinterDC->GetPPI() ;
	314	}
	315
	316	wxPrinterDCImpl::~wxPrinterDCImpl()
	317	{
	318	delete m_nativePrinterDC ;
	319	}
	320
	321	bool wxPrinterDCImpl::StartDoc( const wxString& message )
	322	{
	323	wxASSERT_MSG( IsOk() , wxT("Called wxPrinterDC::StartDoc from an invalid object") ) ;
	324
	325	if ( !m_ok )
	326	return false ;
	327
	328	if ( m_nativePrinterDC->StartDoc( (wxPrinterDC*) GetOwner(), message ) )
	329	{
	330	// in case we have to do additional things when successful
	331	}
	332	m_ok = m_nativePrinterDC->Ok() ;
	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	return m_ok ;
	342	}
	343
	344	void wxPrinterDCImpl::EndDoc(void)
	345	{
	346	if ( !m_ok )
	347	return ;
	348
	349	m_nativePrinterDC->EndDoc( (wxPrinterDC*) GetOwner() ) ;
	350	m_ok = m_nativePrinterDC->Ok() ;
	351
	352	if ( !m_ok )
	353	{
	354	wxString message ;
	355	message.Printf( wxT("Print Error %u"), m_nativePrinterDC->GetStatus() ) ;
	356	wxMessageDialog dialog( NULL , message , wxEmptyString, wxICON_HAND \| wxOK) ;
	357	dialog.ShowModal();
	358	}
	359	}
	360
	361	wxRect wxPrinterDCImpl::GetPaperRect() const
	362	{
	363	wxCoord w, h;
	364	GetOwner()->GetSize(&w, &h);
	365	wxRect pageRect(0, 0, w, h);
	366	wxOSXPrintData native = (wxOSXPrintData) m_printData.GetNativeData() ;
	367	OSStatus err = noErr ;
	368	PMRect rPaper;
	369	err = PMGetAdjustedPaperRect(native->GetPageFormat(), &rPaper);
	370	if ( err != noErr )
	371	return pageRect;
	372
	373	wxSize ppi = GetOwner()->GetPPI();
	374	rPaper.right *= (ppi.x / 72.0);
	375	rPaper.bottom *= (ppi.y / 72.0);
	376	rPaper.left *= (ppi.x / 72.0);
	377	rPaper.top *= (ppi.y / 72.0);
	378
	379	return wxRect(wxCoord(rPaper.left), wxCoord(rPaper.top),
	380	wxCoord(rPaper.right - rPaper.left), wxCoord(rPaper.bottom - rPaper.top));
	381	}
	382
	383	void wxPrinterDCImpl::StartPage()
	384	{
	385	if ( !m_ok )
	386	return ;
	387
	388	m_logicalFunction = wxCOPY;
	389	// m_textAlignment = wxALIGN_TOP_LEFT;
	390	m_backgroundMode = wxTRANSPARENT;
	391
	392	m_textForegroundColour = *wxBLACK;
	393	m_textBackgroundColour = *wxWHITE;
	394	m_pen = *wxBLACK_PEN;
	395	m_font = *wxNORMAL_FONT;
	396	m_brush = *wxTRANSPARENT_BRUSH;
	397	m_backgroundBrush = *wxWHITE_BRUSH;
	398
	399	m_nativePrinterDC->StartPage( (wxPrinterDC*) GetOwner() ) ;
	400	m_ok = m_nativePrinterDC->Ok() ;
	401
	402	}
	403
	404	void wxPrinterDCImpl::EndPage()
	405	{
	406	if ( !m_ok )
	407	return ;
	408
	409	m_nativePrinterDC->EndPage( (wxPrinterDC*) GetOwner() );
	410	m_ok = m_nativePrinterDC->Ok() ;
	411	}
	412
	413	void wxPrinterDCImpl::DoGetSize(int width, int height) const
	414	{
	415	wxCHECK_RET( m_ok , wxT("GetSize() doesn't work without a valid wxPrinterDC") );
	416	m_nativePrinterDC->GetSize(width, height ) ;
	417	}
	418
	419	#endif