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     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