src/osx/carbon/dcprint.cpp

   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
  88 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
  89     if ( PMPrinterGetOutputResolution != NULL )
  90     {
  91         PMPrinter printer;
  92         m_err = PMSessionGetCurrentPrinter(native->GetPrintSession(), &printer);
  93         if ( m_err == noErr )
  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 = PMGetResolution((PMPageFormat) (native->GetPageFormat()), &res);
 108 #endif
 109     }
 110
 111     m_ppi = wxSize(int(res.hRes), int(res.vRes));
 112 }
 113
 114 wxMacCarbonPrinterDC::~wxMacCarbonPrinterDC()
 115 {
 116 }
 117
 118 wxNativePrinterDC* wxNativePrinterDC::Create(wxPrintData* data)
 119 {
 120     return new wxMacCarbonPrinterDC(data) ;
 121 }
 122
 123 bool wxMacCarbonPrinterDC::StartDoc(  wxPrinterDC* dc , const wxString& message  )
 124 {
 125     if ( m_err )
 126         return false ;
 127
 128     wxPrinterDCImpl *impl = (wxPrinterDCImpl*) dc->GetImpl();
 129     wxOSXPrintData *native = (wxOSXPrintData*) impl->GetPrintData().GetNativeData() ;
 130
 131 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
 132     if ( PMPrintSettingsSetJobName != NULL )
 133         PMPrintSettingsSetJobName(native->GetPrintSettings(), wxCFStringRef(message));
 134 #endif
 135
 136     m_err = PMSessionBeginCGDocumentNoDialog(native->GetPrintSession(),
 137               native->GetPrintSettings(),
 138               native->GetPageFormat());
 139     if ( m_err != noErr )
 140         return false;
 141
 142     PMRect rPage;
 143     m_err = PMGetAdjustedPageRect(native->GetPageFormat(), &rPage);
 144     if ( m_err != noErr )
 145         return false ;
 146
 147     m_maxX = wxCoord(rPage.right - rPage.left) ;
 148     m_maxY = wxCoord(rPage.bottom - rPage.top);
 149
 150     PMResolution res;
 151 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
 152     if ( PMPrinterGetOutputResolution != NULL )
 153     {
 154         PMPrinter printer;
 155         m_err = PMSessionGetCurrentPrinter(native->GetPrintSession(), &printer);
 156         if ( m_err == noErr )
 157         {
 158             m_err = PMPrinterGetOutputResolution( printer, native->GetPrintSettings(), &res) ;
 159             if ( m_err == -9589 /* kPMKeyNotFound */ )
 160             {
 161                 m_err = noErr ;
 162                 res.hRes = res.vRes = 300;
 163             }
 164         }
 165     }
 166     else
 167 #endif
 168     {
 169 #if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
 170        m_err = PMGetResolution((PMPageFormat) (native->GetPageFormat()), &res);
 171 #endif
 172     }
 173
 174     m_ppi = wxSize(int(res.hRes), int(res.vRes));
 175     return true ;
 176 }
 177
 178 void wxMacCarbonPrinterDC::EndDoc( wxPrinterDC* dc )
 179 {
 180     if ( m_err )
 181         return ;
 182
 183     wxPrinterDCImpl *impl = (wxPrinterDCImpl*) dc->GetImpl();
 184     wxOSXPrintData *native = (wxOSXPrintData*) impl->GetPrintData().GetNativeData() ;
 185
 186     m_err = PMSessionEndDocumentNoDialog(native->GetPrintSession());
 187 }
 188
 189 void wxMacCarbonPrinterDC::StartPage( wxPrinterDC* dc )
 190 {
 191     if ( m_err )
 192         return ;
 193
 194     wxPrinterDCImpl *impl = (wxPrinterDCImpl*) dc->GetImpl();
 195     wxOSXPrintData *native = (wxOSXPrintData*) impl->GetPrintData().GetNativeData() ;
 196
 197     m_err = PMSessionBeginPageNoDialog(native->GetPrintSession(),
 198                  native->GetPageFormat(),
 199                  nil);
 200
 201     CGContextRef pageContext;
 202
 203     if ( m_err == noErr )
 204     {
 205         m_err = PMSessionGetCGGraphicsContext(native->GetPrintSession(),
 206                                             &pageContext );
 207     }
 208
 209     if ( m_err != noErr )
 210     {
 211         PMSessionEndPageNoDialog(native->GetPrintSession());
 212         PMSessionEndDocumentNoDialog(native->GetPrintSession());
 213     }
 214     else
 215     {
 216         PMRect rPage;
 217
 218         m_err = PMGetAdjustedPageRect(native->GetPageFormat(), &rPage);
 219         if ( !m_err )
 220         {
 221             PMRect paperRect ;
 222             PMGetAdjustedPaperRect( native->GetPageFormat() , &paperRect ) ;
 223             // make sure (0,0) is at the upper left of the printable area (wx conventions)
 224             // Core Graphics initially has the lower left of the paper as 0,0
 225             CGContextTranslateCTM( pageContext , (CGFloat) -paperRect.left , (CGFloat) paperRect.bottom ) ;
 226             CGContextScaleCTM( pageContext , 1 , -1 ) ;
 227         }
 228         // since this is a non-critical error, we set the flag back
 229         m_err = noErr ;
 230     }
 231     impl->SetGraphicsContext( wxGraphicsContext::CreateFromNative( pageContext ) );
 232 }
 233
 234 void wxMacCarbonPrinterDC::EndPage( wxPrinterDC* dc )
 235 {
 236     if ( m_err )
 237         return ;
 238
 239     wxPrinterDCImpl *impl = (wxPrinterDCImpl*) dc->GetImpl();
 240     wxOSXPrintData *native = (wxOSXPrintData*) impl->GetPrintData().GetNativeData() ;
 241
 242     m_err = PMSessionEndPageNoDialog(native->GetPrintSession());
 243     if ( m_err != noErr )
 244     {
 245         PMSessionEndDocumentNoDialog(native->GetPrintSession());
 246     }
 247     // the cg context we got when starting the page isn't valid anymore, so replace it
 248     impl->SetGraphicsContext( wxGraphicsContext::Create() );
 249 }
 250
 251 void wxMacCarbonPrinterDC::GetSize( int *w , int *h) const
 252 {
 253     if ( w )
 254         *w = m_maxX ;
 255     if ( h )
 256         *h = m_maxY ;
 257 }
 258
 259 wxSize wxMacCarbonPrinterDC::GetPPI() const
 260 {
 261      return m_ppi ;
 262 };
 263
 264 //
 265 //
 266 //
 267
 268 wxPrinterDCImpl::wxPrinterDCImpl( wxPrinterDC *owner, const wxPrintData& printdata )
 269    : wxGCDCImpl( owner )
 270 {
 271     m_ok = false ;
 272     m_printData = printdata ;
 273     m_printData.ConvertToNative() ;
 274     m_nativePrinterDC = wxNativePrinterDC::Create( &m_printData ) ;
 275     if ( m_nativePrinterDC )
 276     {
 277         m_ok = m_nativePrinterDC->Ok() ;
 278         if ( !m_ok )
 279         {
 280             wxString message ;
 281             message.Printf( wxT("Print Error %u"), m_nativePrinterDC->GetStatus() ) ;
 282             wxMessageDialog dialog( NULL , message , wxEmptyString, wxICON_HAND | wxOK) ;
 283             dialog.ShowModal();
 284         }
 285         else
 286         {
 287             wxSize sz = GetPPI();
 288             m_mm_to_pix_x = mm2inches * sz.x;
 289             m_mm_to_pix_y = mm2inches * sz.y;
 290         }
 291         // we need at least a measuring context because people start measuring before a page
 292         // gets printed at all
 293         SetGraphicsContext( wxGraphicsContext::Create() );
 294     }
 295 }
 296
 297 wxSize wxPrinterDCImpl::GetPPI() const
 298 {
 299     return m_nativePrinterDC->GetPPI() ;
 300 }
 301
 302 wxPrinterDCImpl::~wxPrinterDCImpl()
 303 {
 304     delete m_nativePrinterDC ;
 305 }
 306
 307 bool wxPrinterDCImpl::StartDoc( const wxString& message )
 308 {
 309     wxASSERT_MSG( IsOk() , wxT("Called wxPrinterDC::StartDoc from an invalid object") ) ;
 310
 311     if ( !m_ok )
 312         return false ;
 313
 314     if ( m_nativePrinterDC->StartDoc( (wxPrinterDC*) GetOwner(), message ) )
 315     {
 316         // in case we have to do additional things when successful
 317     }
 318     m_ok = m_nativePrinterDC->Ok() ;
 319     if ( !m_ok )
 320     {
 321         wxString message ;
 322         message.Printf( wxT("Print Error %u"), m_nativePrinterDC->GetStatus() ) ;
 323         wxMessageDialog dialog( NULL , message , wxEmptyString, wxICON_HAND | wxOK) ;
 324         dialog.ShowModal();
 325     }
 326
 327     return m_ok ;
 328 }
 329
 330 void wxPrinterDCImpl::EndDoc(void)
 331 {
 332     if ( !m_ok )
 333         return ;
 334
 335     m_nativePrinterDC->EndDoc( (wxPrinterDC*) GetOwner() ) ;
 336     m_ok = m_nativePrinterDC->Ok() ;
 337
 338     if ( !m_ok )
 339     {
 340         wxString message ;
 341         message.Printf( wxT("Print Error %u"), m_nativePrinterDC->GetStatus() ) ;
 342         wxMessageDialog dialog( NULL , message , wxEmptyString, wxICON_HAND | wxOK) ;
 343         dialog.ShowModal();
 344     }
 345 }
 346
 347 wxRect wxPrinterDCImpl::GetPaperRect() const
 348 {
 349     wxCoord w, h;
 350     GetOwner()->GetSize(&w, &h);
 351     wxRect pageRect(0, 0, w, h);
 352     wxOSXPrintData *native = (wxOSXPrintData*) m_printData.GetNativeData() ;
 353     OSStatus err = noErr ;
 354     PMRect rPaper;
 355     err = PMGetAdjustedPaperRect(native->GetPageFormat(), &rPaper);
 356     if ( err != noErr )
 357         return pageRect;
 358     return wxRect(wxCoord(rPaper.left), wxCoord(rPaper.top),
 359         wxCoord(rPaper.right - rPaper.left), wxCoord(rPaper.bottom - rPaper.top));
 360 }
 361
 362 void wxPrinterDCImpl::StartPage()
 363 {
 364     if ( !m_ok )
 365         return ;
 366
 367     m_logicalFunction = wxCOPY;
 368     //  m_textAlignment = wxALIGN_TOP_LEFT;
 369     m_backgroundMode = wxTRANSPARENT;
 370
 371     m_textForegroundColour = *wxBLACK;
 372     m_textBackgroundColour = *wxWHITE;
 373     m_pen = *wxBLACK_PEN;
 374     m_font = *wxNORMAL_FONT;
 375     m_brush = *wxTRANSPARENT_BRUSH;
 376     m_backgroundBrush = *wxWHITE_BRUSH;
 377
 378     m_nativePrinterDC->StartPage( (wxPrinterDC*) GetOwner() ) ;
 379     m_ok = m_nativePrinterDC->Ok() ;
 380
 381 }
 382
 383 void wxPrinterDCImpl::EndPage()
 384 {
 385     if ( !m_ok )
 386         return ;
 387
 388     m_nativePrinterDC->EndPage( (wxPrinterDC*) GetOwner() );
 389     m_ok = m_nativePrinterDC->Ok() ;
 390 }
 391
 392 void wxPrinterDCImpl::DoGetSize(int *width, int *height) const
 393 {
 394     wxCHECK_RET( m_ok , wxT("GetSize() doesn't work without a valid wxPrinterDC") );
 395     m_nativePrinterDC->GetSize(width,  height ) ;
 396 }
 397
 398 #endif