printmac.cpp

wxWidgets 是一个跨平台的 GUI 框架。它给开发人员提供了统一的接口

/////////////////////////////////////////////////////////////////////////////
// Name:        src/mac/carbon/printwin.cpp
// Purpose:     wxMacPrinter framework
// Author:      Julian Smart
// Modified by:
// Created:     04/01/98
// RCS-ID:      $Id: printmac.cpp,v 1.44 2006/12/03 15:28:17 SC Exp $
// 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

#ifndef WX_PRECOMP
    #include "wx/utils.h"
    #include "wx/dc.h"
    #include "wx/app.h"
    #include "wx/msgdlg.h"
    #include "wx/dcprint.h"
    #include "wx/math.h"
#endif

#include "wx/mac/uma.h"

#include "wx/mac/printmac.h"
#include "wx/mac/private/print.h"

#include "wx/printdlg.h"
#include "wx/paper.h"
#include "wx/mac/printdlg.h"

#include <stdlib.h>

IMPLEMENT_DYNAMIC_CLASS(wxMacCarbonPrintData, wxPrintNativeDataBase)
IMPLEMENT_DYNAMIC_CLASS(wxMacPrinter, wxPrinterBase)
IMPLEMENT_CLASS(wxMacPrintPreview, wxPrintPreviewBase)

bool wxMacCarbonPrintData::IsOk() const
{
    return (m_macPageFormat != kPMNoPageFormat) && (m_macPrintSettings != kPMNoPrintSettings) && (m_macPrintSession != kPMNoReference);
}
wxMacCarbonPrintData::wxMacCarbonPrintData()
{
    m_macPageFormat = kPMNoPageFormat;
    m_macPrintSettings = kPMNoPrintSettings;
    m_macPrintSession = kPMNoReference ;
    ValidateOrCreate() ;
}

wxMacCarbonPrintData::~wxMacCarbonPrintData()
{
    if (m_macPageFormat != kPMNoPageFormat)
    {
        (void)PMRelease(m_macPageFormat);
        m_macPageFormat = kPMNoPageFormat;
    }

    if (m_macPrintSettings != kPMNoPrintSettings)
    {
        (void)PMRelease(m_macPrintSettings);
        m_macPrintSettings = kPMNoPrintSettings;
    }

    if ( m_macPrintSession != kPMNoReference )
    {
        (void)PMRelease(m_macPrintSession);
        m_macPrintSession = kPMNoReference;
    }
}

void wxMacCarbonPrintData::ValidateOrCreate()
{
    OSStatus err = noErr ;
    if ( m_macPrintSession == kPMNoReference )
    {
        err = PMCreateSession( (PMPrintSession *) &m_macPrintSession ) ;
    }
    //  Set up a valid PageFormat object.
    if ( m_macPageFormat == kPMNoPageFormat)
    {
        err = PMCreatePageFormat((PMPageFormat *) &m_macPageFormat);

        //  Note that PMPageFormat is not session-specific, but calling
        //  PMSessionDefaultPageFormat assigns values specific to the printer
        //  associated with the current printing session.
        if ((err == noErr) &&
            ( m_macPageFormat != kPMNoPageFormat))
        {
            err = PMSessionDefaultPageFormat((PMPrintSession) m_macPrintSession,
                (PMPageFormat) m_macPageFormat);
        }
    }
    else
    {
        err = PMSessionValidatePageFormat((PMPrintSession) m_macPrintSession,
            (PMPageFormat) m_macPageFormat,
            kPMDontWantBoolean);
    }

    //  Set up a valid PrintSettings object.
    if ( m_macPrintSettings == kPMNoPrintSettings)
    {
        err = PMCreatePrintSettings((PMPrintSettings *) &m_macPrintSettings);

        //  Note that PMPrintSettings is not session-specific, but calling
        //  PMSessionDefaultPrintSettings assigns values specific to the printer
        //  associated with the current printing session.
        if ((err == noErr) &&
            ( m_macPrintSettings != kPMNoPrintSettings))
        {
            err = PMSessionDefaultPrintSettings((PMPrintSession) m_macPrintSession,
                (PMPrintSettings) m_macPrintSettings);
        }
    }
    else
    {
        err = PMSessionValidatePrintSettings((PMPrintSession) m_macPrintSession,
            (PMPrintSettings) m_macPrintSettings,
            kPMDontWantBoolean);
    }
}

bool wxMacCarbonPrintData::TransferFrom( const wxPrintData &data )
{
    ValidateOrCreate() ;
    PMSetCopies( (PMPrintSettings) m_macPrintSettings , data.GetNoCopies() , false ) ;
    if ( data.IsOrientationReversed() )
        PMSetOrientation( (PMPageFormat) m_macPageFormat , ( data.GetOrientation() == wxLANDSCAPE ) ?
            kPMReverseLandscape : kPMReversePortrait , false ) ;
    else
        PMSetOrientation( (PMPageFormat) m_macPageFormat , ( data.GetOrientation() == wxLANDSCAPE ) ?
            kPMLandscape : kPMPortrait , false ) ;
    // collate cannot be set
#if 0 // not yet tested
    if ( !m_printerName.empty() )
        PMSessionSetCurrentPrinter( (PMPrintSession) m_macPrintSession , wxMacCFStringHolder( m_printerName , wxFont::GetDefaultEncoding() ) ) ;
#endif
#ifndef __LP64__
    PMColorMode color ;
    PMGetColorMode(  (PMPrintSettings) m_macPrintSettings, &color ) ;
    if ( data.GetColour() )
    {
        if ( color == kPMBlackAndWhite )
            PMSetColorMode( (PMPrintSettings) m_macPrintSettings, kPMColor ) ;
    }
    else
        PMSetColorMode( (PMPrintSettings) m_macPrintSettings, kPMBlackAndWhite ) ;
#endif

#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
    if ( PMSetDuplex!=NULL )
    {
        PMDuplexMode mode = 0 ;
        switch( data.GetDuplex() )
        {
            case wxDUPLEX_HORIZONTAL :
                mode = kPMDuplexNoTumble ;
                break ;
            case wxDUPLEX_VERTICAL :
                mode = kPMDuplexTumble ;
                break ;
            case wxDUPLEX_SIMPLEX :
            default :
                mode = kPMDuplexNone ;
                break ;
        }
        PMSetDuplex( (PMPrintSettings) m_macPrintSettings, mode ) ;
    }
#endif
    // PMQualityMode not yet accessible via API
    // todo paperSize

    PMResolution res;
    PMPrinter printer;
    PMSessionGetCurrentPrinter(m_macPrintSession, &printer);
#if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5 
    PMPrinterGetOutputResolution( printer,  
        (PMPrintSettings) m_macPrintSettings,  &res) ;
    // TODO transfer ? into page format ?
#else
    PMTag tag = kPMMaxSquareResolution;
    PMPrinterGetPrinterResolution(printer, tag, &res);
    PMSetResolution((PMPageFormat) m_macPageFormat, &res);
#endif
    // after setting the new resolution the format has to be updated, otherwise the page rect remains 
    // at the 'old' scaling
    PMSessionValidatePageFormat((PMPrintSession) m_macPrintSession,
            (PMPageFormat) m_macPageFormat,
            kPMDontWantBoolean) ;

    return true ;
}

bool wxMacCarbonPrintData::TransferTo( wxPrintData &data )
{
    OSStatus err = noErr ;

    UInt32 copies ;
    err = PMGetCopies( m_macPrintSettings , &copies ) ;
    if ( err == noErr )
        data.SetNoCopies( copies ) ;

    PMOrientation orientation ;
    err = PMGetOrientation(  m_macPageFormat , &orientation ) ;
    if ( err == noErr )
    {
        if ( orientation == kPMPortrait || orientation == kPMReversePortrait )
        {
            data.SetOrientation( wxPORTRAIT  );
            data.SetOrientationReversed( orientation == kPMReversePortrait );
        }
        else
        {
            data.SetOrientation( wxLANDSCAPE );
            data.SetOrientationReversed( orientation == kPMReverseLandscape );
        }
    }

    // collate cannot be set
#if 0
    {
        wxMacCFStringHolder name ;
        PMPrinter printer ;
        PMSessionGetCurrentPrinter( m_macPrintSession ,
            &printer ) ;
        m_printerName = name.AsString() ;
    }
#endif

#ifndef __LP64__
    PMColorMode color ;
    err = PMGetColorMode( m_macPrintSettings, &color ) ;
    if ( err == noErr )
        data.SetColour( !(color == kPMBlackAndWhite) ) ;
#endif
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
    if ( PMGetDuplex!=NULL )
    {
        PMDuplexMode mode = 0 ;
        PMGetDuplex( (PMPrintSettings) m_macPrintSettings, &mode ) ;
        switch( mode )
        {
            case kPMDuplexNoTumble :
                data.SetDuplex(wxDUPLEX_HORIZONTAL);
                break ;
            case kPMDuplexTumble :
                data.SetDuplex(wxDUPLEX_VERTICAL);
                break ;
            case kPMDuplexNone :
            default :
                data.SetDuplex(wxDUPLEX_SIMPLEX);
                break ;
        }
    }
#endif
    // PMQualityMode not yet accessible via API
    
    PMPaper paper ;
    PMGetPageFormatPaper( m_macPageFormat, &paper );
    
    PMRect rPaper;
    err = PMGetUnadjustedPaperRect( m_macPageFormat, &rPaper);
    if ( err == noErr )
    {
        wxSize sz((int)(( rPaper.right - rPaper.left ) * pt2mm + 0.5 ) ,
             (int)(( rPaper.bottom - rPaper.top ) * pt2mm + 0.5 ));
        data.SetPaperSize(sz);
        wxPaperSize id = wxThePrintPaperDatabase->GetSize(wxSize(sz.x* 10, sz.y * 10));
        if (id != wxPAPER_NONE)
        {
            data.SetPaperId(id);
        }
    }
    return true ;
}

void wxMacCarbonPrintData::TransferFrom( wxPageSetupData *data )
{
    // should we setup the page rect here ?
    // since MacOS sometimes has two same paper rects with different
    // page rects we could make it roundtrip safe perhaps
}

void wxMacCarbonPrintData::TransferTo( wxPageSetupData* data )
{
    PMRect rPaper;
    OSStatus err = PMGetUnadjustedPaperRect(m_macPageFormat, &rPaper);
    if ( err == noErr )
    {
        wxSize sz((int)(( rPaper.right - rPaper.left ) * pt2mm + 0.5 ) ,
             (int)(( rPaper.bottom - rPaper.top ) * pt2mm + 0.5 ));
        data->SetPaperSize(sz);

        PMRect rPage ;
        err = PMGetUnadjustedPageRect(m_macPageFormat , &rPage ) ;
        if ( err == noErr )
        {
            data->SetMinMarginTopLeft( wxPoint (
                (int)(((double) rPage.left - rPaper.left ) * pt2mm) ,
                (int)(((double) rPage.top - rPaper.top ) * pt2mm) ) ) ;

            data->SetMinMarginBottomRight( wxPoint (
                (wxCoord)(((double) rPaper.right - rPage.right ) * pt2mm),
                (wxCoord)(((double) rPaper.bottom - rPage.bottom ) * pt2mm)) ) ;

            if ( data->GetMarginTopLeft().x < data->GetMinMarginTopLeft().x )
                data->SetMarginTopLeft( wxPoint( data->GetMinMarginTopLeft().x ,
                    data->GetMarginTopLeft().y ) ) ;

            if ( data->GetMarginBottomRight().x < data->GetMinMarginBottomRight().x )
                data->SetMarginBottomRight( wxPoint( data->GetMinMarginBottomRight().x ,
                    data->GetMarginBottomRight().y ) );

            if ( data->GetMarginTopLeft().y < data->GetMinMarginTopLeft().y )
                data->SetMarginTopLeft( wxPoint( data->GetMarginTopLeft().x , data->GetMinMarginTopLeft().y ) );

            if ( data->GetMarginBottomRight().y < data->GetMinMarginBottomRight().y )
                data->SetMarginBottomRight( wxPoint( data->GetMarginBottomRight().x ,
                    data->GetMinMarginBottomRight().y) );
        }
    }
}

void wxMacCarbonPrintData::TransferTo( wxPrintDialogData* data )