src/osx/core/printmac.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/core/printmac.cpp
   3 // Purpose:     wxMacPrinter framework
   4 // Author:      Julian Smart, Stefan Csomor
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart, Stefan Csomor
   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 #ifndef WX_PRECOMP
  22     #include "wx/utils.h"
  23     #include "wx/dc.h"
  24     #include "wx/app.h"
  25     #include "wx/msgdlg.h"
  26     #include "wx/dcprint.h"
  27     #include "wx/math.h"
  28 #endif
  29
  30 #include "wx/osx/private.h"
  31
  32 #include "wx/osx/printmac.h"
  33 #include "wx/osx/private/print.h"
  34
  35 #include "wx/printdlg.h"
  36 #include "wx/paper.h"
  37 #include "wx/osx/printdlg.h"
  38
  39 #include <stdlib.h>
  40
  41 //
  42 // move to print_osx.cpp
  43 //
  44
  45 IMPLEMENT_DYNAMIC_CLASS(wxOSXPrintData, wxPrintNativeDataBase)
  46
  47 bool wxOSXPrintData::IsOk() const
  48 {
  49     return (m_macPageFormat != kPMNoPageFormat) && (m_macPrintSettings != kPMNoPrintSettings) && (m_macPrintSession != kPMNoReference);
  50 }
  51
  52 wxOSXPrintData::wxOSXPrintData()
  53 {
  54     m_macPageFormat = kPMNoPageFormat;
  55     m_macPrintSettings = kPMNoPrintSettings;
  56     m_macPrintSession = kPMNoReference ;
  57     m_macPaper = kPMNoData;
  58 }
  59
  60 wxOSXPrintData::~wxOSXPrintData()
  61 {
  62 }
  63
  64 void wxOSXPrintData::UpdateFromPMState()
  65 {
  66 }
  67
  68 void wxOSXPrintData::UpdateToPMState()
  69 {
  70 }
  71
  72 bool wxOSXPrintData::TransferFrom( const wxPrintData &data )
  73 {
  74     PMPrinter printer;
  75     PMSessionGetCurrentPrinter(m_macPrintSession, &printer);
  76
  77     wxSize papersize = wxDefaultSize;
  78     const wxPaperSize paperId = data.GetPaperId();
  79     if ( paperId != wxPAPER_NONE && wxThePrintPaperDatabase )
  80     {
  81         papersize = wxThePrintPaperDatabase->GetSize(paperId);
  82         if ( papersize != wxDefaultSize )
  83         {
  84             papersize.x /= 10;
  85             papersize.y /= 10;
  86         }
  87     }
  88     else
  89     {
  90         papersize = data.GetPaperSize();
  91     }
  92
  93     if ( papersize != wxDefaultSize )
  94     {
  95         papersize.x = (wxInt32) (papersize.x * mm2pt);
  96         papersize.y = (wxInt32) (papersize.y * mm2pt);
  97
  98         double height, width;
  99         PMPaperGetHeight(m_macPaper, &height);
 100         PMPaperGetWidth(m_macPaper, &width);
 101
 102         if ( fabs( width - papersize.x ) >= 5 ||
 103             fabs( height - papersize.y ) >= 5 )
 104         {
 105             // we have to change the current paper
 106             CFArrayRef paperlist = 0 ;
 107             if ( PMPrinterGetPaperList( printer, &paperlist ) == noErr )
 108             {
 109                 PMPaper bestPaper = kPMNoData ;
 110                 CFIndex top = CFArrayGetCount(paperlist);
 111                 for ( CFIndex i = 0 ; i < top ; ++ i )
 112                 {
 113                     PMPaper paper = (PMPaper) CFArrayGetValueAtIndex( paperlist, i );
 114                     PMPaperGetHeight(paper, &height);
 115                     PMPaperGetWidth(paper, &width);
 116                     if ( fabs( width - papersize.x ) < 5 &&
 117                         fabs( height - papersize.y ) < 5 )
 118                     {
 119                         // TODO test for duplicate hits and use additional
 120                         // criteria for best match
 121                         bestPaper = paper;
 122                     }
 123                 }
 124                 PMPaper paper = kPMNoData;
 125                 if ( bestPaper == kPMNoData )
 126                 {
 127                     const PMPaperMargins margins = { 0.0, 0.0, 0.0, 0.0 };
 128                     wxString id, name(_T("Custom paper"));
 129                     id.Printf(_T("wxPaperCustom%dx%d"), papersize.x, papersize.y);
 130
 131 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
 132                     if ( PMPaperCreateCustom != NULL)
 133                     {
 134                         PMPaperCreateCustom(printer, wxCFStringRef( id, wxFont::GetDefaultEncoding() ), wxCFStringRef( name, wxFont::GetDefaultEncoding() ),
 135                             papersize.x, papersize.y, &margins, &paper);
 136                     }
 137 #endif
 138 #if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
 139                     if ( paper == kPMNoData )
 140                     {
 141                         PMPaperCreate(printer, wxCFStringRef( id, wxFont::GetDefaultEncoding() ), wxCFStringRef( name, wxFont::GetDefaultEncoding() ),
 142                             papersize.x, papersize.y, &margins, &paper);
 143                     }
 144 #endif
 145                 }
 146                 if ( bestPaper != kPMNoData )
 147                 {
 148                     PMPageFormat pageFormat;
 149                     PMCreatePageFormatWithPMPaper(&pageFormat, bestPaper);
 150                     PMCopyPageFormat( pageFormat, m_macPageFormat );
 151                     PMRelease(pageFormat);
 152                     PMGetPageFormatPaper(m_macPageFormat, &m_macPaper);
 153                 }
 154                 PMRelease(paper);
 155             }
 156         }
 157     }
 158
 159     CFArrayRef printerList;
 160     CFIndex index, count;
 161     CFStringRef name;
 162
 163     if (PMServerCreatePrinterList(kPMServerLocal, &printerList) == noErr)
 164     {
 165         count = CFArrayGetCount(printerList);
 166         for (index = 0; index < count; index++)
 167         {
 168             printer = (PMPrinter)CFArrayGetValueAtIndex(printerList, index);
 169             if ((data.GetPrinterName().empty()) && (PMPrinterIsDefault(printer)))
 170                 break;
 171             else
 172             {
 173                 name = PMPrinterGetName(printer);
 174                 CFRetain(name);
 175                 if (data.GetPrinterName() == wxCFStringRef(name).AsString())
 176                     break;
 177             }
 178         }
 179         if (index < count)
 180             PMSessionSetCurrentPMPrinter(m_macPrintSession, printer);
 181         CFRelease(printerList);
 182     }
 183
 184     PMSetCopies( m_macPrintSettings , data.GetNoCopies() , false ) ;
 185     PMSetCollate(m_macPrintSettings, data.GetCollate());
 186     if ( data.IsOrientationReversed() )
 187         PMSetOrientation( m_macPageFormat , ( data.GetOrientation() == wxLANDSCAPE ) ?
 188             kPMReverseLandscape : kPMReversePortrait , false ) ;
 189     else
 190         PMSetOrientation( m_macPageFormat , ( data.GetOrientation() == wxLANDSCAPE ) ?
 191             kPMLandscape : kPMPortrait , false ) ;
 192
 193     PMDuplexMode mode = 0 ;
 194     switch( data.GetDuplex() )
 195     {
 196         case wxDUPLEX_HORIZONTAL :
 197             mode = kPMDuplexNoTumble ;
 198             break ;
 199         case wxDUPLEX_VERTICAL :
 200             mode = kPMDuplexTumble ;
 201             break ;
 202         case wxDUPLEX_SIMPLEX :
 203         default :
 204             mode = kPMDuplexNone ;
 205             break ;
 206     }
 207     PMSetDuplex(  m_macPrintSettings, mode ) ;
 208
 209     // PMQualityMode not yet accessible via API
 210
 211
 212     if ( data.IsOrientationReversed() )
 213         PMSetOrientation(  m_macPageFormat , ( data.GetOrientation() == wxLANDSCAPE ) ?
 214             kPMReverseLandscape : kPMReversePortrait , false ) ;
 215     else
 216         PMSetOrientation(  m_macPageFormat , ( data.GetOrientation() == wxLANDSCAPE ) ?
 217             kPMLandscape : kPMPortrait , false ) ;
 218
 219     // PMQualityMode not accessible via API
 220     // TODO: use our quality property to determine optimal resolution
 221     PMResolution res;
 222     PMTag tag = kPMMaxSquareResolution;
 223     PMPrinterGetPrinterResolution(printer, tag, &res);
 224     PMSetResolution( m_macPageFormat, &res);
 225
 226     // after setting the new resolution the format has to be updated, otherwise the page rect remains
 227     // at the 'old' scaling
 228
 229     PMSessionValidatePageFormat(m_macPrintSession,
 230         m_macPageFormat, kPMDontWantBoolean);
 231     PMSessionValidatePrintSettings(m_macPrintSession,
 232         m_macPrintSettings, kPMDontWantBoolean);
 233 #if wxOSX_USE_COCOA
 234     UpdateFromPMState();
 235 #endif
 236
 237     return true ;
 238 }
 239
 240 bool wxOSXPrintData::TransferTo( wxPrintData &data )
 241 {
 242     OSStatus err = noErr ;
 243 #if wxOSX_USE_COCOA
 244     UpdateToPMState();
 245 #endif
 246     UInt32 copies ;
 247     err = PMGetCopies( m_macPrintSettings , &copies ) ;
 248     if ( err == noErr )
 249         data.SetNoCopies( copies ) ;
 250
 251     PMOrientation orientation ;
 252     err = PMGetOrientation(  m_macPageFormat , &orientation ) ;
 253     if ( err == noErr )
 254     {
 255         if ( orientation == kPMPortrait || orientation == kPMReversePortrait )
 256         {
 257             data.SetOrientation( wxPORTRAIT  );
 258             data.SetOrientationReversed( orientation == kPMReversePortrait );
 259         }
 260         else
 261         {
 262             data.SetOrientation( wxLANDSCAPE );
 263             data.SetOrientationReversed( orientation == kPMReverseLandscape );
 264         }
 265     }
 266
 267     Boolean collate;
 268     if (PMGetCollate(m_macPrintSettings, &collate) == noErr)
 269         data.SetCollate(collate);
 270
 271     CFStringRef name;
 272     PMPrinter printer ;
 273     PMSessionGetCurrentPrinter( m_macPrintSession, &printer );
 274     if (PMPrinterIsDefault(printer))
 275         data.SetPrinterName(wxEmptyString);
 276     else
 277     {
 278         name = PMPrinterGetName(printer);
 279         CFRetain(name);
 280         data.SetPrinterName(wxCFStringRef(name).AsString());
 281     }
 282
 283     PMDuplexMode mode = 0 ;
 284     PMGetDuplex(  m_macPrintSettings, &mode ) ;
 285     switch( mode )
 286     {
 287         case kPMDuplexNoTumble :
 288             data.SetDuplex(wxDUPLEX_HORIZONTAL);
 289             break ;
 290         case kPMDuplexTumble :
 291             data.SetDuplex(wxDUPLEX_VERTICAL);
 292             break ;
 293         case kPMDuplexNone :
 294         default :
 295             data.SetDuplex(wxDUPLEX_SIMPLEX);
 296             break ;
 297     }
 298     // PMQualityMode not yet accessible via API
 299
 300     double height, width;
 301     PMPaperGetHeight(m_macPaper, &height);
 302     PMPaperGetWidth(m_macPaper, &width);
 303
 304     wxSize sz((int)(width * pt2mm + 0.5 ) ,
 305          (int)(height * pt2mm + 0.5 ));
 306     data.SetPaperSize(sz);
 307     wxPaperSize id = wxThePrintPaperDatabase->GetSize(wxSize(sz.x* 10, sz.y * 10));
 308     if (id != wxPAPER_NONE)
 309     {
 310         data.SetPaperId(id);
 311     }
 312     return true ;
 313 }
 314
 315 void wxOSXPrintData::TransferFrom( wxPageSetupData *WXUNUSED(data) )
 316 {
 317     // should we setup the page rect here ?
 318     // since MacOS sometimes has two same paper rects with different
 319     // page rects we could make it roundtrip safe perhaps
 320 }
 321
 322 void wxOSXPrintData::TransferTo( wxPageSetupData* data )
 323 {
 324 #if wxOSX_USE_COCOA
 325     UpdateToPMState();
 326 #endif
 327     PMRect rPaper;
 328     OSStatus err = PMGetUnadjustedPaperRect(m_macPageFormat, &rPaper);
 329     if ( err == noErr )
 330     {
 331         wxSize sz((int)(( rPaper.right - rPaper.left ) * pt2mm + 0.5 ) ,
 332              (int)(( rPaper.bottom - rPaper.top ) * pt2mm + 0.5 ));
 333         data->SetPaperSize(sz);
 334
 335         PMRect rPage ;
 336         err = PMGetUnadjustedPageRect(m_macPageFormat , &rPage ) ;
 337         if ( err == noErr )
 338         {
 339             data->SetMinMarginTopLeft( wxPoint (
 340                 (int)(((double) rPage.left - rPaper.left ) * pt2mm) ,
 341                 (int)(((double) rPage.top - rPaper.top ) * pt2mm) ) ) ;
 342
 343             data->SetMinMarginBottomRight( wxPoint (
 344                 (wxCoord)(((double) rPaper.right - rPage.right ) * pt2mm),
 345                 (wxCoord)(((double) rPaper.bottom - rPage.bottom ) * pt2mm)) ) ;
 346
 347             if ( data->GetMarginTopLeft().x < data->GetMinMarginTopLeft().x )
 348                 data->SetMarginTopLeft( wxPoint( data->GetMinMarginTopLeft().x ,
 349                     data->GetMarginTopLeft().y ) ) ;
 350
 351             if ( data->GetMarginBottomRight().x < data->GetMinMarginBottomRight().x )
 352                 data->SetMarginBottomRight( wxPoint( data->GetMinMarginBottomRight().x ,
 353                     data->GetMarginBottomRight().y ) );
 354
 355             if ( data->GetMarginTopLeft().y < data->GetMinMarginTopLeft().y )
 356                 data->SetMarginTopLeft( wxPoint( data->GetMarginTopLeft().x , data->GetMinMarginTopLeft().y ) );
 357
 358             if ( data->GetMarginBottomRight().y < data->GetMinMarginBottomRight().y )
 359                 data->SetMarginBottomRight( wxPoint( data->GetMarginBottomRight().x ,
 360                     data->GetMinMarginBottomRight().y) );
 361         }
 362     }
 363 }
 364
 365 void wxOSXPrintData::TransferTo( wxPrintDialogData* data )
 366 {
 367 #if wxOSX_USE_COCOA
 368     UpdateToPMState();
 369 #endif
 370     UInt32 minPage , maxPage ;
 371     PMGetPageRange( m_macPrintSettings , &minPage , &maxPage ) ;
 372     data->SetMinPage( minPage ) ;
 373     data->SetMaxPage( maxPage ) ;
 374     UInt32 copies ;
 375     PMGetCopies( m_macPrintSettings , &copies ) ;
 376     data->SetNoCopies( copies ) ;
 377     UInt32 from , to ;
 378     PMGetFirstPage( m_macPrintSettings , &from ) ;
 379     PMGetLastPage( m_macPrintSettings , &to ) ;
 380     if ( to >= 0x7FFFFFFF ) //  due to an OS Bug we don't get back kPMPrintAllPages
 381     {
 382         data->SetAllPages( true ) ;
 383         // This means all pages, more or less
 384         data->SetFromPage(1);
 385         data->SetToPage(9999);
 386     }
 387     else
 388     {
 389         data->SetFromPage( from ) ;
 390         data->SetToPage( to ) ;
 391         data->SetAllPages( false );
 392     }
 393 }
 394
 395 void wxOSXPrintData::TransferFrom( wxPrintDialogData* data )
 396 {
 397     // Respect the value of m_printAllPages
 398     if ( data->GetAllPages() )
 399         PMSetPageRange( m_macPrintSettings , data->GetMinPage() , (UInt32) kPMPrintAllPages ) ;
 400     else
 401         PMSetPageRange( m_macPrintSettings , data->GetMinPage() , data->GetMaxPage() ) ;
 402     PMSetCopies( m_macPrintSettings , data->GetNoCopies() , false ) ;
 403     PMSetFirstPage( m_macPrintSettings , data->GetFromPage() , false ) ;
 404
 405     if (data->GetAllPages() || data->GetFromPage() == 0)
 406         PMSetLastPage( m_macPrintSettings , (UInt32) kPMPrintAllPages, true ) ;
 407     else
 408         PMSetLastPage( m_macPrintSettings , (UInt32) data->GetToPage() , false ) ;
 409 #if wxOSX_USE_COCOA
 410     UpdateFromPMState();
 411 #endif
 412 }
 413
 414 wxPrintNativeDataBase* wxOSXCreatePrintData()
 415 {
 416 #if wxOSX_USE_COCOA
 417     return new wxOSXCocoaPrintData();
 418 #endif
 419 #if wxOSX_USE_CARBON
 420     return new wxOSXCarbonPrintData();
 421 #endif
 422     return NULL;
 423 }
 424
 425 /*
 426 * Printer
 427 */
 428
 429 IMPLEMENT_DYNAMIC_CLASS(wxMacPrinter, wxPrinterBase)
 430
 431 wxMacPrinter::wxMacPrinter(wxPrintDialogData *data):
 432 wxPrinterBase(data)
 433 {
 434 }
 435
 436 wxMacPrinter::~wxMacPrinter(void)
 437 {
 438 }
 439
 440 bool wxMacPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt)
 441 {
 442     sm_abortIt = false;
 443     sm_abortWindow = NULL;
 444
 445     if (!printout)
 446         return false;
 447
 448     printout->SetIsPreview(false);
 449     if (m_printDialogData.GetMinPage() < 1)
 450         m_printDialogData.SetMinPage(1);
 451     if (m_printDialogData.GetMaxPage() < 1)
 452         m_printDialogData.SetMaxPage(9999);
 453
 454     // Create a suitable device context
 455     wxPrinterDC *dc = NULL;
 456     if (prompt)
 457     {
 458         wxMacPrintDialog dialog(parent, & m_printDialogData);
 459         if (dialog.ShowModal() == wxID_OK)
 460         {
 461             dc = wxDynamicCast(dialog.GetPrintDC(), wxPrinterDC);
 462             wxASSERT(dc);
 463             m_printDialogData = dialog.GetPrintDialogData();
 464         }
 465     }
 466     else
 467     {
 468         dc = new wxPrinterDC( m_printDialogData.GetPrintData() ) ;
 469     }
 470
 471     // May have pressed cancel.
 472     if (!dc || !dc->IsOk())
 473     {
 474         delete dc;
 475         return false;
 476     }
 477
 478     // on the mac we have always pixels as addressing mode with 72 dpi
 479     printout->SetPPIScreen(72, 72);
 480     PMResolution res;
 481     wxOSXPrintData* nativeData = (wxOSXPrintData*)
 482           (m_printDialogData.GetPrintData().GetNativeData());
 483     PMGetResolution( (nativeData->GetPageFormat()), &res);
 484     printout->SetPPIPrinter(int(res.hRes), int(res.vRes));
 485
 486     // Set printout parameters
 487     printout->SetDC(dc);
 488
 489     int w, h;
 490     dc->GetSize(&w, &h);
 491     printout->SetPageSizePixels((int)w, (int)h);
 492     printout->SetPaperRectPixels(dc->GetPaperRect());
 493     wxCoord mw, mh;
 494     dc->GetSizeMM(&mw, &mh);
 495     printout->SetPageSizeMM((int)mw, (int)mh);
 496
 497     // Create an abort window
 498     wxBeginBusyCursor();
 499
 500     printout->OnPreparePrinting();
 501
 502     // Get some parameters from the printout, if defined
 503     int fromPage, toPage;
 504     int minPage, maxPage;
 505     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 506
 507     if (maxPage == 0)
 508     {
 509         wxEndBusyCursor();
 510         return false;
 511     }
 512
 513     // Only set min and max, because from and to have been
 514     // set by the user
 515     m_printDialogData.SetMinPage(minPage);
 516     m_printDialogData.SetMaxPage(maxPage);
 517
 518     printout->OnBeginPrinting();
 519
 520     bool keepGoing = true;
 521
 522     if (!printout->OnBeginDocument(m_printDialogData.GetFromPage(), m_printDialogData.GetToPage()))
 523     {
 524             wxEndBusyCursor();
 525             wxMessageBox(wxT("Could not start printing."), wxT("Print Error"), wxOK, parent);
 526     }
 527
 528     int pn;
 529     for (pn = m_printDialogData.GetFromPage();
 530         keepGoing && (pn <= m_printDialogData.GetToPage()) && printout->HasPage(pn);
 531         pn++)
 532     {
 533         if (sm_abortIt)
 534         {
 535                 keepGoing = false;
 536                 break;
 537         }
 538         else
 539         {
 540                 dc->StartPage();
 541                 keepGoing = printout->OnPrintPage(pn);
 542                 dc->EndPage();
 543         }
 544     }
 545     printout->OnEndDocument();
 546
 547     printout->OnEndPrinting();
 548
 549     if (sm_abortWindow)
 550     {
 551         sm_abortWindow->Show(false);
 552         delete sm_abortWindow;
 553         sm_abortWindow = NULL;
 554     }
 555
 556     wxEndBusyCursor();
 557
 558     delete dc;
 559
 560     return true;
 561 }
 562
 563 wxDC* wxMacPrinter::PrintDialog(wxWindow *parent)
 564 {
 565     wxDC* dc = (wxDC*) NULL;
 566
 567     wxPrintDialog dialog(parent, & m_printDialogData);
 568     int ret = dialog.ShowModal();
 569
 570     if (ret == wxID_OK)
 571     {
 572         dc = dialog.GetPrintDC();
 573         m_printDialogData = dialog.GetPrintDialogData();
 574     }
 575
 576     return dc;
 577 }
 578
 579 bool wxMacPrinter::Setup(wxWindow *WXUNUSED(parent))
 580 {
 581 #if 0
 582     wxPrintDialog dialog(parent, & m_printDialogData);
 583     dialog.GetPrintDialogData().SetSetupDialog(true);
 584
 585     int ret = dialog.ShowModal();
 586
 587     if (ret == wxID_OK)
 588         m_printDialogData = dialog.GetPrintDialogData();
 589
 590     return (ret == wxID_OK);
 591 #endif
 592
 593     return wxID_CANCEL;
 594 }
 595
 596 /*
 597 * Print preview
 598 */
 599
 600 IMPLEMENT_CLASS(wxMacPrintPreview, wxPrintPreviewBase)
 601
 602 wxMacPrintPreview::wxMacPrintPreview(wxPrintout *printout,
 603                                      wxPrintout *printoutForPrinting,
 604                                      wxPrintDialogData *data)
 605                                      : wxPrintPreviewBase(printout, printoutForPrinting, data)
 606 {
 607     DetermineScaling();
 608 }
 609
 610 wxMacPrintPreview::wxMacPrintPreview(wxPrintout *printout, wxPrintout *printoutForPrinting, wxPrintData *data):
 611 wxPrintPreviewBase(printout, printoutForPrinting, data)
 612 {
 613     DetermineScaling();
 614 }
 615
 616 wxMacPrintPreview::~wxMacPrintPreview(void)
 617 {
 618 }
 619
 620 bool wxMacPrintPreview::Print(bool interactive)
 621 {
 622     if (!m_printPrintout)
 623         return false;
 624
 625     wxMacPrinter printer(&m_printDialogData);
 626     return printer.Print(m_previewFrame, m_printPrintout, interactive);
 627 }
 628
 629 void wxMacPrintPreview::DetermineScaling(void)
 630 {
 631     int screenWidth , screenHeight ;
 632     wxDisplaySize( &screenWidth , &screenHeight ) ;
 633
 634     wxSize ppiScreen( 72 , 72 ) ;
 635     wxSize ppiPrinter( 72 , 72 ) ;
 636
 637     // Note that with Leopard, screen dpi=72 is no longer a given
 638     m_previewPrintout->SetPPIScreen( ppiScreen.x , ppiScreen.y ) ;
 639
 640     wxCoord w , h ;
 641     wxCoord ww, hh;
 642     wxRect paperRect;
 643
 644     // Get a device context for the currently selected printer
 645     wxPrinterDC printerDC(m_printDialogData.GetPrintData());
 646     if (printerDC.IsOk())
 647     {
 648         printerDC.GetSizeMM(&ww, &hh);
 649         printerDC.GetSize( &w , &h ) ;
 650         ppiPrinter = printerDC.GetPPI() ;
 651         paperRect = printerDC.GetPaperRect();
 652         m_isOk = true ;
 653     }
 654     else
 655     {
 656         // use some defaults
 657         w = 8 * 72 ;
 658         h = 11 * 72 ;
 659         ww = (wxCoord) (w * 25.4 / ppiPrinter.x) ;
 660         hh = (wxCoord) (h * 25.4 / ppiPrinter.y) ;
 661         paperRect = wxRect(0, 0, w, h);
 662         m_isOk = false ;
 663     }
 664     m_pageWidth = w;
 665     m_pageHeight = h;
 666
 667     m_previewPrintout->SetPageSizePixels(w , h) ;
 668     m_previewPrintout->SetPageSizeMM(ww, hh);
 669     m_previewPrintout->SetPaperRectPixels(paperRect);
 670     m_previewPrintout->SetPPIPrinter( ppiPrinter.x , ppiPrinter.y ) ;
 671
 672     m_previewScaleX = float(ppiScreen.x) / ppiPrinter.x;
 673     m_previewScaleY = float(ppiScreen.y) / ppiPrinter.y;
 674 }
 675
 676 //
 677 // end of print_osx.cpp
 678 //
 679
 680 #if wxOSX_USE_CARBON
 681
 682 IMPLEMENT_DYNAMIC_CLASS(wxOSXCarbonPrintData, wxOSXPrintData)
 683
 684 wxOSXCarbonPrintData::wxOSXCarbonPrintData()
 685 {
 686     if ( PMCreateSession( &m_macPrintSession ) == noErr )
 687     {
 688         if ( PMCreatePageFormat(&m_macPageFormat) == noErr )
 689         {
 690             PMSessionDefaultPageFormat(m_macPrintSession,
 691                     m_macPageFormat);
 692             PMGetPageFormatPaper(m_macPageFormat, &m_macPaper);
 693         }
 694
 695         if ( PMCreatePrintSettings(&m_macPrintSettings) == noErr )
 696         {
 697             PMSessionDefaultPrintSettings(m_macPrintSession,
 698                 m_macPrintSettings);
 699         }
 700     }
 701 }
 702
 703 wxOSXCarbonPrintData::~wxOSXCarbonPrintData()
 704 {
 705     (void)PMRelease(m_macPageFormat);
 706     (void)PMRelease(m_macPrintSettings);
 707     (void)PMRelease(m_macPrintSession);
 708 }
 709 #endif
 710
 711 #endif