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(wxT("Custom paper"));
 129                     id.Printf(wxT("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 #ifndef __LP64__
 220     // PMQualityMode not accessible via API
 221     // TODO: use our quality property to determine optimal resolution
 222     PMResolution res;
 223     PMTag tag = kPMMaxSquareResolution;
 224     PMPrinterGetPrinterResolution(printer, tag, &res);
 225     PMSetResolution( m_macPageFormat, &res);
 226 #endif
 227
 228     // after setting the new resolution the format has to be updated, otherwise the page rect remains
 229     // at the 'old' scaling
 230
 231     PMSessionValidatePageFormat(m_macPrintSession,
 232         m_macPageFormat, kPMDontWantBoolean);
 233     PMSessionValidatePrintSettings(m_macPrintSession,
 234         m_macPrintSettings, kPMDontWantBoolean);
 235 #if wxOSX_USE_COCOA
 236     UpdateFromPMState();
 237 #endif
 238
 239     return true ;
 240 }
 241
 242 bool wxOSXPrintData::TransferTo( wxPrintData &data )
 243 {
 244     OSStatus err = noErr ;
 245 #if wxOSX_USE_COCOA
 246     UpdateToPMState();
 247 #endif
 248     UInt32 copies ;
 249     err = PMGetCopies( m_macPrintSettings , &copies ) ;
 250     if ( err == noErr )
 251         data.SetNoCopies( copies ) ;
 252
 253     PMOrientation orientation ;
 254     err = PMGetOrientation(  m_macPageFormat , &orientation ) ;
 255     if ( err == noErr )
 256     {
 257         if ( orientation == kPMPortrait || orientation == kPMReversePortrait )
 258         {
 259             data.SetOrientation( wxPORTRAIT  );
 260             data.SetOrientationReversed( orientation == kPMReversePortrait );
 261         }
 262         else
 263         {
 264             data.SetOrientation( wxLANDSCAPE );
 265             data.SetOrientationReversed( orientation == kPMReverseLandscape );
 266         }
 267     }
 268
 269     Boolean collate;
 270     if (PMGetCollate(m_macPrintSettings, &collate) == noErr)
 271         data.SetCollate(collate);
 272
 273     CFStringRef name;
 274     PMPrinter printer ;
 275     PMSessionGetCurrentPrinter( m_macPrintSession, &printer );
 276     if (PMPrinterIsDefault(printer))
 277         data.SetPrinterName(wxEmptyString);
 278     else
 279     {
 280         name = PMPrinterGetName(printer);
 281         CFRetain(name);
 282         data.SetPrinterName(wxCFStringRef(name).AsString());
 283     }
 284
 285     PMDuplexMode mode = 0 ;
 286     PMGetDuplex(  m_macPrintSettings, &mode ) ;
 287     switch( mode )
 288     {
 289         case kPMDuplexNoTumble :
 290             data.SetDuplex(wxDUPLEX_HORIZONTAL);
 291             break ;
 292         case kPMDuplexTumble :
 293             data.SetDuplex(wxDUPLEX_VERTICAL);
 294             break ;
 295         case kPMDuplexNone :
 296         default :
 297             data.SetDuplex(wxDUPLEX_SIMPLEX);
 298             break ;
 299     }
 300     // PMQualityMode not yet accessible via API
 301
 302     double height, width;
 303     PMPaperGetHeight(m_macPaper, &height);
 304     PMPaperGetWidth(m_macPaper, &width);
 305
 306     wxSize sz((int)(width * pt2mm + 0.5 ) ,
 307          (int)(height * pt2mm + 0.5 ));
 308     data.SetPaperSize(sz);
 309     wxPaperSize id = wxThePrintPaperDatabase->GetSize(wxSize(sz.x* 10, sz.y * 10));
 310     if (id != wxPAPER_NONE)
 311     {
 312         data.SetPaperId(id);
 313     }
 314     return true ;
 315 }
 316
 317 void wxOSXPrintData::TransferFrom( wxPageSetupData *WXUNUSED(data) )
 318 {
 319     // should we setup the page rect here ?
 320     // since MacOS sometimes has two same paper rects with different
 321     // page rects we could make it roundtrip safe perhaps
 322 }
 323
 324 void wxOSXPrintData::TransferTo( wxPageSetupData* data )
 325 {
 326 #if wxOSX_USE_COCOA
 327     UpdateToPMState();
 328 #endif
 329     PMRect rPaper;
 330     OSStatus err = PMGetUnadjustedPaperRect(m_macPageFormat, &rPaper);
 331     if ( err == noErr )
 332     {
 333         wxSize sz((int)(( rPaper.right - rPaper.left ) * pt2mm + 0.5 ) ,
 334              (int)(( rPaper.bottom - rPaper.top ) * pt2mm + 0.5 ));
 335         data->SetPaperSize(sz);
 336
 337         PMRect rPage ;
 338         err = PMGetUnadjustedPageRect(m_macPageFormat , &rPage ) ;
 339         if ( err == noErr )
 340         {
 341             data->SetMinMarginTopLeft( wxPoint (
 342                 (int)(((double) rPage.left - rPaper.left ) * pt2mm) ,
 343                 (int)(((double) rPage.top - rPaper.top ) * pt2mm) ) ) ;
 344
 345             data->SetMinMarginBottomRight( wxPoint (
 346                 (wxCoord)(((double) rPaper.right - rPage.right ) * pt2mm),
 347                 (wxCoord)(((double) rPaper.bottom - rPage.bottom ) * pt2mm)) ) ;
 348
 349             if ( data->GetMarginTopLeft().x < data->GetMinMarginTopLeft().x )
 350                 data->SetMarginTopLeft( wxPoint( data->GetMinMarginTopLeft().x ,
 351                     data->GetMarginTopLeft().y ) ) ;
 352
 353             if ( data->GetMarginBottomRight().x < data->GetMinMarginBottomRight().x )
 354                 data->SetMarginBottomRight( wxPoint( data->GetMinMarginBottomRight().x ,
 355                     data->GetMarginBottomRight().y ) );
 356
 357             if ( data->GetMarginTopLeft().y < data->GetMinMarginTopLeft().y )
 358                 data->SetMarginTopLeft( wxPoint( data->GetMarginTopLeft().x , data->GetMinMarginTopLeft().y ) );
 359
 360             if ( data->GetMarginBottomRight().y < data->GetMinMarginBottomRight().y )
 361                 data->SetMarginBottomRight( wxPoint( data->GetMarginBottomRight().x ,
 362                     data->GetMinMarginBottomRight().y) );
 363         }
 364     }
 365 }
 366
 367 void wxOSXPrintData::TransferTo( wxPrintDialogData* data )
 368 {
 369 #if wxOSX_USE_COCOA
 370     UpdateToPMState();
 371 #endif
 372     UInt32 minPage , maxPage ;
 373     PMGetPageRange( m_macPrintSettings , &minPage , &maxPage ) ;
 374     data->SetMinPage( minPage ) ;
 375     data->SetMaxPage( maxPage ) ;
 376     UInt32 copies ;
 377     PMGetCopies( m_macPrintSettings , &copies ) ;
 378     data->SetNoCopies( copies ) ;
 379     UInt32 from , to ;
 380     PMGetFirstPage( m_macPrintSettings , &from ) ;
 381     PMGetLastPage( m_macPrintSettings , &to ) ;
 382     if ( to >= 0x7FFFFFFF ) //  due to an OS Bug we don't get back kPMPrintAllPages
 383     {
 384         data->SetAllPages( true ) ;
 385         // This means all pages, more or less
 386         data->SetFromPage(1);
 387         data->SetToPage(9999);
 388     }
 389     else
 390     {
 391         data->SetFromPage( from ) ;
 392         data->SetToPage( to ) ;
 393         data->SetAllPages( false );
 394     }
 395 }
 396
 397 void wxOSXPrintData::TransferFrom( wxPrintDialogData* data )
 398 {
 399     // Respect the value of m_printAllPages
 400     if ( data->GetAllPages() )
 401         PMSetPageRange( m_macPrintSettings , data->GetMinPage() , (UInt32) kPMPrintAllPages ) ;
 402     else
 403         PMSetPageRange( m_macPrintSettings , data->GetMinPage() , data->GetMaxPage() ) ;
 404     PMSetCopies( m_macPrintSettings , data->GetNoCopies() , false ) ;
 405     PMSetFirstPage( m_macPrintSettings , data->GetFromPage() , false ) ;
 406
 407     if (data->GetAllPages() || data->GetFromPage() == 0)
 408         PMSetLastPage( m_macPrintSettings , (UInt32) kPMPrintAllPages, true ) ;
 409     else
 410         PMSetLastPage( m_macPrintSettings , (UInt32) data->GetToPage() , false ) ;
 411 #if wxOSX_USE_COCOA
 412     UpdateFromPMState();
 413 #endif
 414 }
 415
 416 wxPrintNativeDataBase* wxOSXCreatePrintData()
 417 {
 418 #if wxOSX_USE_COCOA
 419     return new wxOSXCocoaPrintData();
 420 #endif
 421 #if wxOSX_USE_CARBON
 422     return new wxOSXCarbonPrintData();
 423 #endif
 424     return NULL;
 425 }
 426
 427 /*
 428 * Printer
 429 */
 430
 431 IMPLEMENT_DYNAMIC_CLASS(wxMacPrinter, wxPrinterBase)
 432
 433 wxMacPrinter::wxMacPrinter(wxPrintDialogData *data):
 434 wxPrinterBase(data)
 435 {
 436 }
 437
 438 wxMacPrinter::~wxMacPrinter(void)
 439 {
 440 }
 441
 442 bool wxMacPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt)
 443 {
 444     sm_abortIt = false;
 445     sm_abortWindow = NULL;
 446
 447     if (!printout)
 448         return false;
 449
 450     printout->SetIsPreview(false);
 451     if (m_printDialogData.GetMinPage() < 1)
 452         m_printDialogData.SetMinPage(1);
 453     if (m_printDialogData.GetMaxPage() < 1)
 454         m_printDialogData.SetMaxPage(9999);
 455
 456     // Create a suitable device context
 457     wxPrinterDC *dc = NULL;
 458     if (prompt)
 459     {
 460         wxMacPrintDialog dialog(parent, & m_printDialogData);
 461         if (dialog.ShowModal() == wxID_OK)
 462         {
 463             dc = wxDynamicCast(dialog.GetPrintDC(), wxPrinterDC);
 464             wxASSERT(dc);
 465             m_printDialogData = dialog.GetPrintDialogData();
 466         }
 467     }
 468     else
 469     {
 470         dc = new wxPrinterDC( m_printDialogData.GetPrintData() ) ;
 471     }
 472
 473     // May have pressed cancel.
 474     if (!dc || !dc->IsOk())
 475     {
 476         delete dc;
 477         return false;
 478     }
 479
 480     // on the mac we have always pixels as addressing mode with 72 dpi
 481     printout->SetPPIScreen(72, 72);
 482 #ifndef __LP64__
 483     PMResolution res;
 484     wxOSXPrintData* nativeData = (wxOSXPrintData*)
 485           (m_printDialogData.GetPrintData().GetNativeData());
 486     PMGetResolution( (nativeData->GetPageFormat()), &res);
 487     printout->SetPPIPrinter(int(res.hRes), int(res.vRes));
 488 #endif
 489     // Set printout parameters
 490     printout->SetDC(dc);
 491
 492     int w, h;
 493     dc->GetSize(&w, &h);
 494     printout->SetPageSizePixels((int)w, (int)h);
 495     printout->SetPaperRectPixels(dc->GetPaperRect());
 496     wxCoord mw, mh;
 497     dc->GetSizeMM(&mw, &mh);
 498     printout->SetPageSizeMM((int)mw, (int)mh);
 499
 500     // Create an abort window
 501     wxBeginBusyCursor();
 502
 503     printout->OnPreparePrinting();
 504
 505     // Get some parameters from the printout, if defined
 506     int fromPage, toPage;
 507     int minPage, maxPage;
 508     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 509
 510     if (maxPage == 0)
 511     {
 512         wxEndBusyCursor();
 513         return false;
 514     }
 515
 516     // Only set min and max, because from and to have been
 517     // set by the user
 518     m_printDialogData.SetMinPage(minPage);
 519     m_printDialogData.SetMaxPage(maxPage);
 520
 521     printout->OnBeginPrinting();
 522
 523     bool keepGoing = true;
 524
 525     if (!printout->OnBeginDocument(m_printDialogData.GetFromPage(), m_printDialogData.GetToPage()))
 526     {
 527             wxEndBusyCursor();
 528             wxMessageBox(wxT("Could not start printing."), wxT("Print Error"), wxOK, parent);
 529     }
 530
 531     int pn;
 532     for (pn = m_printDialogData.GetFromPage();
 533         keepGoing && (pn <= m_printDialogData.GetToPage()) && printout->HasPage(pn);
 534         pn++)
 535     {
 536         if (sm_abortIt)
 537         {
 538                 keepGoing = false;
 539                 break;
 540         }
 541         else
 542         {
 543                 dc->StartPage();
 544                 keepGoing = printout->OnPrintPage(pn);
 545                 dc->EndPage();
 546         }
 547     }
 548     printout->OnEndDocument();
 549
 550     printout->OnEndPrinting();
 551
 552     if (sm_abortWindow)
 553     {
 554         sm_abortWindow->Show(false);
 555         delete sm_abortWindow;
 556         sm_abortWindow = NULL;
 557     }
 558
 559     wxEndBusyCursor();
 560
 561     delete dc;
 562
 563     return true;
 564 }
 565
 566 wxDC* wxMacPrinter::PrintDialog(wxWindow *parent)
 567 {
 568     wxDC* dc = NULL;
 569
 570     wxPrintDialog dialog(parent, & m_printDialogData);
 571     int ret = dialog.ShowModal();
 572
 573     if (ret == wxID_OK)
 574     {
 575         dc = dialog.GetPrintDC();
 576         m_printDialogData = dialog.GetPrintDialogData();
 577     }
 578
 579     return dc;
 580 }
 581
 582 bool wxMacPrinter::Setup(wxWindow *WXUNUSED(parent))
 583 {
 584 #if 0
 585     wxPrintDialog dialog(parent, & m_printDialogData);
 586     dialog.GetPrintDialogData().SetSetupDialog(true);
 587
 588     int ret = dialog.ShowModal();
 589
 590     if (ret == wxID_OK)
 591         m_printDialogData = dialog.GetPrintDialogData();
 592
 593     return (ret == wxID_OK);
 594 #endif
 595
 596     return wxID_CANCEL;
 597 }
 598
 599 /*
 600 * Print preview
 601 */
 602
 603 IMPLEMENT_CLASS(wxMacPrintPreview, wxPrintPreviewBase)
 604
 605 wxMacPrintPreview::wxMacPrintPreview(wxPrintout *printout,
 606                                      wxPrintout *printoutForPrinting,
 607                                      wxPrintDialogData *data)
 608                                      : wxPrintPreviewBase(printout, printoutForPrinting, data)
 609 {
 610     DetermineScaling();
 611 }
 612
 613 wxMacPrintPreview::wxMacPrintPreview(wxPrintout *printout, wxPrintout *printoutForPrinting, wxPrintData *data):
 614 wxPrintPreviewBase(printout, printoutForPrinting, data)
 615 {
 616     DetermineScaling();
 617 }
 618
 619 wxMacPrintPreview::~wxMacPrintPreview(void)
 620 {
 621 }
 622
 623 bool wxMacPrintPreview::Print(bool interactive)
 624 {
 625     if (!m_printPrintout)
 626         return false;
 627
 628     wxMacPrinter printer(&m_printDialogData);
 629     return printer.Print(m_previewFrame, m_printPrintout, interactive);
 630 }
 631
 632 void wxMacPrintPreview::DetermineScaling(void)
 633 {
 634     int screenWidth , screenHeight ;
 635     wxDisplaySize( &screenWidth , &screenHeight ) ;
 636
 637     wxSize ppiScreen( 72 , 72 ) ;
 638     wxSize ppiPrinter( 72 , 72 ) ;
 639
 640     // Note that with Leopard, screen dpi=72 is no longer a given
 641     m_previewPrintout->SetPPIScreen( ppiScreen.x , ppiScreen.y ) ;
 642
 643     wxCoord w , h ;
 644     wxCoord ww, hh;
 645     wxRect paperRect;
 646
 647     // Get a device context for the currently selected printer
 648     wxPrinterDC printerDC(m_printDialogData.GetPrintData());
 649     if (printerDC.IsOk())
 650     {
 651         printerDC.GetSizeMM(&ww, &hh);
 652         printerDC.GetSize( &w , &h ) ;
 653         ppiPrinter = printerDC.GetPPI() ;
 654         paperRect = printerDC.GetPaperRect();
 655         m_isOk = true ;
 656     }
 657     else
 658     {
 659         // use some defaults
 660         w = 8 * 72 ;
 661         h = 11 * 72 ;
 662         ww = (wxCoord) (w * 25.4 / ppiPrinter.x) ;
 663         hh = (wxCoord) (h * 25.4 / ppiPrinter.y) ;
 664         paperRect = wxRect(0, 0, w, h);
 665         m_isOk = false ;
 666     }
 667     m_pageWidth = w;
 668     m_pageHeight = h;
 669
 670     m_previewPrintout->SetPageSizePixels(w , h) ;
 671     m_previewPrintout->SetPageSizeMM(ww, hh);
 672     m_previewPrintout->SetPaperRectPixels(paperRect);
 673     m_previewPrintout->SetPPIPrinter( ppiPrinter.x , ppiPrinter.y ) ;
 674
 675     m_previewScaleX = float(ppiScreen.x) / ppiPrinter.x;
 676     m_previewScaleY = float(ppiScreen.y) / ppiPrinter.y;
 677 }
 678
 679 //
 680 // end of print_osx.cpp
 681 //
 682
 683 #if wxOSX_USE_CARBON
 684
 685 IMPLEMENT_DYNAMIC_CLASS(wxOSXCarbonPrintData, wxOSXPrintData)
 686
 687 wxOSXCarbonPrintData::wxOSXCarbonPrintData()
 688 {
 689     if ( PMCreateSession( &m_macPrintSession ) == noErr )
 690     {
 691         if ( PMCreatePageFormat(&m_macPageFormat) == noErr )
 692         {
 693             PMSessionDefaultPageFormat(m_macPrintSession,
 694                     m_macPageFormat);
 695             PMGetPageFormatPaper(m_macPageFormat, &m_macPaper);
 696         }
 697
 698         if ( PMCreatePrintSettings(&m_macPrintSettings) == noErr )
 699         {
 700             PMSessionDefaultPrintSettings(m_macPrintSession,
 701                 m_macPrintSettings);
 702         }
 703     }
 704 }
 705
 706 wxOSXCarbonPrintData::~wxOSXCarbonPrintData()
 707 {
 708     (void)PMRelease(m_macPageFormat);
 709     (void)PMRelease(m_macPrintSettings);
 710     (void)PMRelease(m_macPrintSession);
 711 }
 712 #endif
 713
 714 #endif