src/gtk/print.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/gtk/print.cpp
   3 // Author:      Anthony Bretaudeau
   4 // Purpose:     GTK printing support
   5 // Created:     2007-08-25
   6 // RCS-ID:      $Id: print.cpp,v 1 2007-08-25 05:44:44 PC Exp $
   7 // Copyright:   (c) 2007 wxWidgets development team
   8 // Licence:     wxWindows Licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx/wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15 #pragma hdrstop
  16 #endif
  17
  18 #if wxUSE_GTKPRINT
  19
  20 #include "wx/gtk/print.h"
  21
  22 #ifndef WX_PRECOMP
  23 #include "wx/log.h"
  24 #include "wx/dcmemory.h"
  25 #include "wx/dcprint.h"
  26 #include "wx/icon.h"
  27 #include "wx/math.h"
  28 #include "wx/image.h"
  29 #include "wx/module.h"
  30 #include "wx/crt.h"
  31 #endif
  32
  33 #include "wx/fontutil.h"
  34 #include "wx/gtk/private.h"
  35 #include "wx/dynlib.h"
  36 #include "wx/paper.h"
  37
  38 #include <gtk/gtk.h>
  39
  40 #if wxUSE_GRAPHICS_CONTEXT
  41 #include "wx/graphics.h"
  42 #endif
  43
  44 #include "wx/link.h"
  45 wxFORCE_LINK_THIS_MODULE(gtk_print)
  46
  47 #if wxUSE_LIBGNOMEPRINT
  48 #include "wx/gtk/gnome/gprint.h"
  49 #endif
  50
  51 // Usefull to convert angles from/to Rad to/from Deg.
  52 static const double RAD2DEG  = 180.0 / M_PI;
  53 static const double DEG2RAD  = M_PI / 180.0;
  54
  55 //----------------------------------------------------------------------------
  56 // wxGtkPrintModule
  57 // Initialized when starting the app : if it successfully load the gtk-print framework,
  58 // it uses it. If not, it falls back to gnome print (see /gtk/gnome/gprint.cpp) then
  59 // to postscript if gnomeprint is not available.
  60 //----------------------------------------------------------------------------
  61
  62 class wxGtkPrintModule: public wxModule
  63 {
  64 public:
  65     wxGtkPrintModule()
  66     {
  67 #if wxUSE_LIBGNOMEPRINT
  68         // This module must be initialized AFTER gnomeprint's one
  69         AddDependency(CLASSINFO(wxGnomePrintModule));
  70 #endif
  71     }
  72     bool OnInit();
  73     void OnExit() {}
  74
  75 private:
  76     DECLARE_DYNAMIC_CLASS(wxGtkPrintModule)
  77 };
  78
  79 bool wxGtkPrintModule::OnInit()
  80 {
  81     if (gtk_check_version(2,10,0) == NULL)
  82         wxPrintFactory::SetPrintFactory( new wxGtkPrintFactory );
  83     return true;
  84 }
  85
  86 IMPLEMENT_DYNAMIC_CLASS(wxGtkPrintModule, wxModule)
  87
  88 //----------------------------------------------------------------------------
  89 // wxGtkPrintFactory
  90 //----------------------------------------------------------------------------
  91
  92 wxPrinterBase* wxGtkPrintFactory::CreatePrinter( wxPrintDialogData *data )
  93 {
  94     return new wxGtkPrinter( data );
  95 }
  96
  97 wxPrintPreviewBase *wxGtkPrintFactory::CreatePrintPreview( wxPrintout *preview,
  98                                                     wxPrintout *printout,
  99                                                     wxPrintDialogData *data )
 100 {
 101     return new wxGtkPrintPreview( preview, printout, data );
 102 }
 103
 104 wxPrintPreviewBase *wxGtkPrintFactory::CreatePrintPreview( wxPrintout *preview,
 105                                                     wxPrintout *printout,
 106                                                     wxPrintData *data )
 107 {
 108     return new wxGtkPrintPreview( preview, printout, data );
 109 }
 110
 111 wxPrintDialogBase *wxGtkPrintFactory::CreatePrintDialog( wxWindow *parent,
 112                                                   wxPrintDialogData *data )
 113 {
 114     return new wxGtkPrintDialog( parent, data );
 115 }
 116
 117 wxPrintDialogBase *wxGtkPrintFactory::CreatePrintDialog( wxWindow *parent,
 118                                                   wxPrintData *data )
 119 {
 120     return new wxGtkPrintDialog( parent, data );
 121 }
 122
 123 wxPageSetupDialogBase *wxGtkPrintFactory::CreatePageSetupDialog( wxWindow *parent,
 124                                                           wxPageSetupDialogData * data )
 125 {
 126     return new wxGtkPageSetupDialog( parent, data );
 127 }
 128
 129 bool wxGtkPrintFactory::HasPrintSetupDialog()
 130 {
 131     return false;
 132 }
 133
 134 wxDialog *
 135 wxGtkPrintFactory::CreatePrintSetupDialog(wxWindow * WXUNUSED(parent),
 136                                           wxPrintData * WXUNUSED(data))
 137 {
 138     return NULL;
 139 }
 140
 141 wxDCImpl* wxGtkPrintFactory::CreatePrinterDCImpl( wxPrinterDC *owner, const wxPrintData& data )
 142 {
 143     return new wxGtkPrinterDCImpl( owner, data );
 144 }
 145
 146 bool wxGtkPrintFactory::HasOwnPrintToFile()
 147 {
 148     return true;
 149 }
 150
 151 bool wxGtkPrintFactory::HasPrinterLine()
 152 {
 153     return true;
 154 }
 155
 156 wxString wxGtkPrintFactory::CreatePrinterLine()
 157 {
 158     // redundant now
 159     return wxEmptyString;
 160 }
 161
 162 bool wxGtkPrintFactory::HasStatusLine()
 163 {
 164     // redundant now
 165     return true;
 166 }
 167
 168 wxString wxGtkPrintFactory::CreateStatusLine()
 169 {
 170     // redundant now
 171     return wxEmptyString;
 172 }
 173
 174 wxPrintNativeDataBase *wxGtkPrintFactory::CreatePrintNativeData()
 175 {
 176     return new wxGtkPrintNativeData;
 177 }
 178
 179 //----------------------------------------------------------------------------
 180 // Callback functions for Gtk Printings.
 181 //----------------------------------------------------------------------------
 182
 183 // We use it to pass useful objects to GTK printing callback functions.
 184 struct wxPrinterToGtkData
 185 {
 186    wxGtkPrinter * printer;
 187    wxPrintout * printout;
 188 };
 189
 190 extern "C"
 191 {
 192     static void gtk_begin_print_callback (GtkPrintOperation *operation, GtkPrintContext *context, gpointer user_data)
 193     {
 194         wxPrinterToGtkData *data = (wxPrinterToGtkData *) user_data;
 195
 196         data->printer->BeginPrint(data->printout, operation, context);
 197     }
 198
 199     static void gtk_draw_page_print_callback (GtkPrintOperation *operation, GtkPrintContext *context, gint page_nr, gpointer user_data)
 200     {
 201         wxPrinterToGtkData *data = (wxPrinterToGtkData *) user_data;
 202
 203         data->printer->DrawPage(data->printout, operation, context, page_nr);
 204     }
 205
 206     static void gtk_end_print_callback(GtkPrintOperation * WXUNUSED(operation),
 207                                        GtkPrintContext * WXUNUSED(context),
 208                                        gpointer user_data)
 209     {
 210         wxPrintout *printout = (wxPrintout *) user_data;
 211
 212         printout->OnEndPrinting();
 213     }
 214
 215     static gboolean
 216     gtk_preview_print_callback(GtkPrintOperation * WXUNUSED(operation),
 217                                GtkPrintOperationPreview * WXUNUSED(preview),
 218                                GtkPrintContext *context,
 219                                GtkWindow *parent,
 220                                gpointer user_data)
 221     {
 222         wxPrintout *printout = (wxPrintout *) user_data;
 223
 224         printout->SetIsPreview(true);
 225
 226         /* We create a Cairo context with 72dpi resolution. This resolution is
 227          * only used for positioning. */
 228         cairo_t *cairo = gdk_cairo_create(GTK_WIDGET(parent)->window);
 229         gtk_print_context_set_cairo_context(context, cairo, 72, 72);
 230
 231         return false;
 232     }
 233 }
 234
 235 //----------------------------------------------------------------------------
 236 // wxGtkPrintNativeData
 237 //----------------------------------------------------------------------------
 238
 239 IMPLEMENT_CLASS(wxGtkPrintNativeData, wxPrintNativeDataBase)
 240
 241 wxGtkPrintNativeData::wxGtkPrintNativeData()
 242 {
 243     m_config = gtk_print_settings_new();
 244 }
 245
 246 wxGtkPrintNativeData::~wxGtkPrintNativeData()
 247 {
 248     g_object_unref (m_config);
 249 }
 250
 251 // Convert datas stored in m_config to a wxPrintData.
 252 // Called by wxPrintData::ConvertFromNative().
 253 bool wxGtkPrintNativeData::TransferTo( wxPrintData &data )
 254 {
 255     if(!m_config)
 256         return false;
 257
 258     int resolution = gtk_print_settings_get_resolution(m_config);
 259     if ( resolution > 0 )
 260     {
 261         // if resolution is explicitly set, use it
 262         data.SetQuality(resolution);
 263     }
 264     else // use more vague "quality"
 265     {
 266         GtkPrintQuality quality = gtk_print_settings_get_quality(m_config);
 267         if (quality == GTK_PRINT_QUALITY_HIGH)
 268             data.SetQuality(wxPRINT_QUALITY_HIGH);
 269         else if (quality == GTK_PRINT_QUALITY_LOW)
 270             data.SetQuality(wxPRINT_QUALITY_LOW);
 271         else if (quality == GTK_PRINT_QUALITY_DRAFT)
 272             data.SetQuality(wxPRINT_QUALITY_DRAFT);
 273         else
 274             data.SetQuality(wxPRINT_QUALITY_MEDIUM);
 275     }
 276
 277     data.SetNoCopies(gtk_print_settings_get_n_copies(m_config));
 278
 279     data.SetColour(gtk_print_settings_get_use_color(m_config));
 280
 281     switch (gtk_print_settings_get_duplex(m_config))
 282     {
 283         case GTK_PRINT_DUPLEX_SIMPLEX:      data.SetDuplex (wxDUPLEX_SIMPLEX);
 284                                             break;
 285
 286         case GTK_PRINT_DUPLEX_HORIZONTAL:   data.SetDuplex (wxDUPLEX_HORIZONTAL);
 287                                             break;
 288
 289         default:
 290         case GTK_PRINT_DUPLEX_VERTICAL:      data.SetDuplex (wxDUPLEX_VERTICAL);
 291                                             break;
 292     }
 293
 294     GtkPageOrientation orientation = gtk_print_settings_get_orientation (m_config);
 295     if (orientation == GTK_PAGE_ORIENTATION_PORTRAIT)
 296     {
 297         data.SetOrientation(wxPORTRAIT);
 298         data.SetOrientationReversed(false);
 299     }
 300     else if (orientation == GTK_PAGE_ORIENTATION_LANDSCAPE)
 301     {
 302         data.SetOrientation(wxLANDSCAPE);
 303         data.SetOrientationReversed(false);
 304     }
 305     else if (orientation == GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT)
 306     {
 307         data.SetOrientation(wxPORTRAIT);
 308         data.SetOrientationReversed(true);
 309     }
 310     else if (orientation == GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE)
 311     {
 312         data.SetOrientation(wxLANDSCAPE);
 313         data.SetOrientationReversed(true);
 314     }
 315
 316     data.SetCollate(gtk_print_settings_get_collate (m_config));
 317
 318     // Paper formats : these are the most common paper formats.
 319     GtkPaperSize *paper_size = gtk_print_settings_get_paper_size (m_config);
 320     if (!paper_size)
 321         data.SetPaperId(wxPAPER_NONE);
 322     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_A3)))
 323         data.SetPaperId(wxPAPER_A3);
 324     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_A4)))
 325         data.SetPaperId(wxPAPER_A4);
 326     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_A5)))
 327         data.SetPaperId(wxPAPER_A5);
 328     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_B5)))
 329         data.SetPaperId(wxPAPER_B5);
 330     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_LETTER)))
 331         data.SetPaperId(wxPAPER_LETTER);
 332     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_LEGAL)))
 333         data.SetPaperId(wxPAPER_LEGAL);
 334     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_EXECUTIVE)))
 335         data.SetPaperId(wxPAPER_EXECUTIVE);
 336     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"na_number-10")))
 337         data.SetPaperId(wxPAPER_ENV_10);
 338     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c5")))
 339         data.SetPaperId(wxPAPER_ENV_C5);
 340     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c6")))
 341         data.SetPaperId(wxPAPER_ENV_C6);
 342     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"jis-b5")))
 343         data.SetPaperId(wxPAPER_B5_TRANSVERSE);
 344     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b5")))
 345         data.SetPaperId(wxPAPER_ENV_B5);
 346     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"na_monarch")))
 347         data.SetPaperId(wxPAPER_ENV_MONARCH);
 348     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-c")))
 349         data.SetPaperId( wxPAPER_CSHEET);
 350     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-d")))
 351         data.SetPaperId( wxPAPER_DSHEET);
 352     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-e")))
 353         data.SetPaperId( wxPAPER_ESHEET);
 354     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"letter")))
 355         data.SetPaperId( wxPAPER_LETTERSMALL);
 356     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-b")))
 357         data.SetPaperId( wxPAPER_TABLOID);
 358     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"ledger")))
 359         data.SetPaperId( wxPAPER_LEDGER);
 360     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"statement")))
 361         data.SetPaperId( wxPAPER_STATEMENT);
 362     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( GTK_PAPER_NAME_A4 )))
 363         data.SetPaperId( wxPAPER_A4SMALL);
 364     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b4")))
 365         data.SetPaperId( wxPAPER_B4);
 366     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"folio")))
 367         data.SetPaperId( wxPAPER_FOLIO);
 368     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"quarto")))
 369         data.SetPaperId( wxPAPER_QUARTO);
 370     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"10x14")))
 371         data.SetPaperId( wxPAPER_10X14);
 372     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"ledger")))
 373         data.SetPaperId( wxPAPER_11X17);
 374     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"letter")))
 375         data.SetPaperId( wxPAPER_NOTE);
 376     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"na-number-9-envelope")))
 377         data.SetPaperId( wxPAPER_ENV_9);
 378     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"number-11")))
 379         data.SetPaperId( wxPAPER_ENV_11);
 380     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"number-12")))
 381         data.SetPaperId( wxPAPER_ENV_12);
 382     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"number-14")))
 383         data.SetPaperId( wxPAPER_ENV_14);
 384     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-designated")))
 385         data.SetPaperId( wxPAPER_ENV_DL);
 386     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c3")))
 387         data.SetPaperId( wxPAPER_ENV_C3);
 388     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c4")))
 389         data.SetPaperId( wxPAPER_ENV_C4);
 390     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"c6/c5")))
 391         data.SetPaperId( wxPAPER_ENV_C65);
 392     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b4")))
 393         data.SetPaperId( wxPAPER_ENV_B4);
 394     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b6")))
 395             data.SetPaperId( wxPAPER_ENV_B6);
 396     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"Italian")))
 397         data.SetPaperId( wxPAPER_ENV_ITALY);
 398     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"personal")))
 399         data.SetPaperId( wxPAPER_ENV_PERSONAL);
 400     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"fanfold-us")))
 401         data.SetPaperId( wxPAPER_FANFOLD_US);
 402     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"fanfold-European")))
 403         data.SetPaperId( wxPAPER_FANFOLD_STD_GERMAN);
 404     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"foolscap")))
 405         data.SetPaperId( wxPAPER_FANFOLD_LGL_GERMAN);
 406     else
 407         data.SetPaperId(wxPAPER_NONE);
 408     return true;
 409 }
 410
 411 // Put datas given by the wxPrintData into m_config.
 412 // Called by wxPrintData::ConvertToNative().
 413 bool wxGtkPrintNativeData::TransferFrom( const wxPrintData &data )
 414 {
 415     if(!m_config)
 416         return false;
 417
 418     wxPrintQuality quality = data.GetQuality();
 419     if (quality == wxPRINT_QUALITY_HIGH)
 420         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_HIGH);
 421     else if (quality == wxPRINT_QUALITY_MEDIUM)
 422         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_NORMAL);
 423     else if (quality == wxPRINT_QUALITY_LOW)
 424         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_LOW);
 425     else if (quality == wxPRINT_QUALITY_DRAFT)
 426         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_DRAFT);
 427     else if (quality > 1)
 428         gtk_print_settings_set_resolution (m_config, quality);
 429     else
 430         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_NORMAL);
 431
 432     gtk_print_settings_set_n_copies(m_config, data.GetNoCopies());
 433
 434     gtk_print_settings_set_use_color(m_config, data.GetColour());
 435
 436     switch (data.GetDuplex())
 437     {
 438         case wxDUPLEX_SIMPLEX:      gtk_print_settings_set_duplex (m_config, GTK_PRINT_DUPLEX_SIMPLEX);
 439                                 break;
 440
 441         case wxDUPLEX_HORIZONTAL:   gtk_print_settings_set_duplex (m_config, GTK_PRINT_DUPLEX_HORIZONTAL);
 442                                 break;
 443
 444         default:
 445         case wxDUPLEX_VERTICAL:      gtk_print_settings_set_duplex (m_config, GTK_PRINT_DUPLEX_VERTICAL);
 446                                 break;
 447     }
 448
 449     if (!data.IsOrientationReversed())
 450     {
 451         if (data.GetOrientation() == wxLANDSCAPE)
 452             gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_LANDSCAPE);
 453         else
 454             gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_PORTRAIT);
 455     }
 456     else {
 457         if (data.GetOrientation() == wxLANDSCAPE)
 458             gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE);
 459         else
 460             gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT);
 461     }
 462
 463     gtk_print_settings_set_collate (m_config, data.GetCollate());
 464
 465     // Paper formats: these are the most common paper formats.
 466     switch (data.GetPaperId())
 467     {
 468         case wxPAPER_A3:        gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A3));
 469                                 break;
 470         case wxPAPER_A4:        gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A4));
 471                                 break;
 472         case wxPAPER_A5:        gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A5));
 473                                 break;
 474         case wxPAPER_B5_TRANSVERSE:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "jis-b5"));
 475                                 break;
 476         case wxPAPER_B5:        gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_B5));
 477                                 break;
 478         case wxPAPER_LETTER:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_LETTER));
 479                                 break;
 480         case wxPAPER_LEGAL:     gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_LEGAL));
 481                                 break;
 482         case wxPAPER_EXECUTIVE: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_EXECUTIVE));
 483                                 break;
 484         case wxPAPER_ENV_10:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "na_number-10"));
 485                                 break;
 486         case wxPAPER_ENV_C5:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c5"));
 487                                 break;
 488         case wxPAPER_ENV_C6:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c6"));
 489                                 break;
 490         case wxPAPER_ENV_B5:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c5b5"));
 491                                 break;
 492         case wxPAPER_ENV_MONARCH:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "na_monarch"));
 493                                 break;
 494         case wxPAPER_CSHEET:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-c"));
 495                                 break;
 496         case wxPAPER_DSHEET:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-d"));
 497                                 break;
 498         case wxPAPER_ESHEET:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-e"));
 499                                 break;
 500         case wxPAPER_LETTERSMALL:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "letter"));
 501                                 break;
 502         case wxPAPER_TABLOID:   gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-b"));
 503                                 break;
 504         case wxPAPER_LEDGER:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "ledger"));
 505                                 break;
 506         case wxPAPER_STATEMENT:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "statement"));
 507                                 break;
 508         case wxPAPER_A4SMALL:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A4));
 509                                 break;
 510         case wxPAPER_B4:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-b4"));
 511                                 break;
 512         case wxPAPER_FOLIO:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "folio"));
 513                                 break;
 514         case wxPAPER_QUARTO:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "quarto"));
 515                                 break;
 516         case wxPAPER_10X14:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "10x14"));
 517                                 break;
 518         case wxPAPER_11X17:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "ledger"));
 519                                 break;
 520         case wxPAPER_NOTE:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "letter"));
 521                                 break;
 522         case wxPAPER_ENV_9:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "na-number-9-envelope"));
 523                                 break;
 524         case wxPAPER_ENV_11:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "number-11"));
 525                                 break;
 526         case wxPAPER_ENV_12:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "number-12"));
 527                                 break;
 528         case wxPAPER_ENV_14:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "number-14"));
 529                                 break;
 530         case wxPAPER_ENV_DL:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-designated"));
 531                                 break;
 532         case wxPAPER_ENV_C3:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c3"));
 533                                 break;
 534         case wxPAPER_ENV_C4:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c4"));
 535                                 break;
 536         case wxPAPER_ENV_C65:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "c6/c5"));
 537                                 break;
 538         case wxPAPER_ENV_B4:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-b4"));
 539                                 break;
 540         case wxPAPER_ENV_B6:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-b6"));
 541                                 break;
 542         case wxPAPER_ENV_ITALY:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "Italian"));
 543                                 break;
 544         case wxPAPER_ENV_PERSONAL:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "personal"));
 545                                 break;
 546         case wxPAPER_FANFOLD_US:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "fanfold-us"));
 547                                 break;
 548         case wxPAPER_FANFOLD_STD_GERMAN:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "fanfold-European"));
 549                                 break;
 550         case wxPAPER_FANFOLD_LGL_GERMAN:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "foolscap"));
 551                                 break;
 552         case wxPAPER_NONE:
 553         default:                break;
 554     }
 555
 556     return true;
 557 }
 558
 559 void wxGtkPrintNativeData::SetPrintConfig( GtkPrintSettings * config )
 560 {
 561     if (config)
 562         m_config = gtk_print_settings_copy(config);
 563 }
 564
 565 // Extract page setup from settings.
 566 GtkPageSetup* wxGtkPrintNativeData::GetPageSetupFromSettings(GtkPrintSettings* settings)
 567 {
 568     GtkPageSetup* page_setup = gtk_page_setup_new();
 569     gtk_page_setup_set_orientation (page_setup, gtk_print_settings_get_orientation (settings));
 570
 571     GtkPaperSize *paper_size = gtk_print_settings_get_paper_size (settings);
 572     if (paper_size != NULL)
 573         gtk_page_setup_set_paper_size_and_default_margins (page_setup, paper_size);
 574
 575     return page_setup;
 576 }
 577
 578 // Insert page setup into a given GtkPrintSettings.
 579 void wxGtkPrintNativeData::SetPageSetupToSettings(GtkPrintSettings* settings, GtkPageSetup* page_setup)
 580 {
 581     gtk_print_settings_set_orientation ( settings, gtk_page_setup_get_orientation (page_setup));
 582     gtk_print_settings_set_paper_size ( settings, gtk_page_setup_get_paper_size (page_setup));
 583 }
 584
 585 //----------------------------------------------------------------------------
 586 // wxGtkPrintDialog
 587 //----------------------------------------------------------------------------
 588
 589 IMPLEMENT_CLASS(wxGtkPrintDialog, wxPrintDialogBase)
 590
 591 wxGtkPrintDialog::wxGtkPrintDialog( wxWindow *parent, wxPrintDialogData *data )
 592                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 593                                wxPoint(0, 0), wxSize(600, 600),
 594                                wxDEFAULT_DIALOG_STYLE |
 595                                wxTAB_TRAVERSAL)
 596 {
 597     if (data)
 598         m_printDialogData = *data;
 599
 600     m_parent = parent;
 601     SetShowDialog(true);
 602 }
 603
 604 wxGtkPrintDialog::wxGtkPrintDialog( wxWindow *parent, wxPrintData *data )
 605                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 606                                wxPoint(0, 0), wxSize(600, 600),
 607                                wxDEFAULT_DIALOG_STYLE |
 608                                wxTAB_TRAVERSAL)
 609 {
 610     if (data)
 611         m_printDialogData = *data;
 612
 613     m_parent = parent;
 614     SetShowDialog(true);
 615 }
 616
 617
 618 wxGtkPrintDialog::~wxGtkPrintDialog()
 619 {
 620 }
 621
 622 // This is called even if we actually don't want the dialog to appear.
 623 int wxGtkPrintDialog::ShowModal()
 624 {
 625     GtkPrintOperationResult response;
 626
 627     // We need to restore the settings given in the constructor.
 628     wxPrintData data = m_printDialogData.GetPrintData();
 629     wxGtkPrintNativeData *native =
 630       (wxGtkPrintNativeData*) data.GetNativeData();
 631     data.ConvertToNative();
 632
 633     GtkPrintSettings * settings = native->GetPrintConfig();
 634
 635     // We have to restore pages to print here because they're stored in a wxPrintDialogData and ConvertToNative only works for wxPrintData.
 636     int fromPage = m_printDialogData.GetFromPage();
 637     int toPage = m_printDialogData.GetToPage();
 638     if (m_printDialogData.GetSelection())
 639         gtk_print_settings_set_print_pages(settings, GTK_PRINT_PAGES_CURRENT);
 640     else if (m_printDialogData.GetAllPages())
 641         gtk_print_settings_set_print_pages(settings, GTK_PRINT_PAGES_ALL);
 642     else {
 643         gtk_print_settings_set_print_pages(settings, GTK_PRINT_PAGES_RANGES);
 644         GtkPageRange *range;
 645         range = g_new (GtkPageRange, 1);
 646         range[0].start = fromPage-1;
 647         range[0].end = (toPage >= fromPage) ? toPage-1 : fromPage-1;
 648         gtk_print_settings_set_page_ranges (settings, range, 1);
 649     }
 650
 651     // If the settings are OK, we restore it.
 652     if (settings != NULL)
 653         gtk_print_operation_set_print_settings (native->GetPrintJob(), settings);
 654     gtk_print_operation_set_default_page_setup (native->GetPrintJob(), native->GetPageSetupFromSettings(settings));
 655
 656     // Show the dialog if needed.
 657     GError* gError = NULL;
 658     if (GetShowDialog())
 659         response = gtk_print_operation_run (native->GetPrintJob(), GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG, GTK_WINDOW(gtk_widget_get_toplevel(m_parent->m_widget) ), &gError);
 660     else
 661         response = gtk_print_operation_run (native->GetPrintJob(), GTK_PRINT_OPERATION_ACTION_PRINT, GTK_WINDOW(gtk_widget_get_toplevel(m_parent->m_widget)), &gError);
 662
 663     // Does everything went well?
 664     if (response == GTK_PRINT_OPERATION_RESULT_CANCEL)
 665     {
 666         return wxID_CANCEL;
 667     }
 668     else if (response == GTK_PRINT_OPERATION_RESULT_ERROR)
 669     {
 670         g_error_free (gError);
 671         wxLogError(_("Error while printing: ") + wxString::Format(_("%s"), gError->message));
 672         return wxID_NO; // We use wxID_NO because there is no wxID_ERROR available
 673     }
 674
 675     // Now get the settings and save it.
 676     GtkPrintSettings* newSettings = gtk_print_operation_get_print_settings (native->GetPrintJob());
 677     native->SetPrintConfig(newSettings);
 678     data.ConvertFromNative();
 679
 680     // Same problem as a few lines before.
 681     switch (gtk_print_settings_get_print_pages(newSettings))
 682     {
 683         case GTK_PRINT_PAGES_CURRENT:
 684             m_printDialogData.SetSelection( true );
 685             break;
 686         case GTK_PRINT_PAGES_RANGES:
 687             {// wxWidgets doesn't support multiple ranges, so we can only save the first one even if the user wants to print others.
 688             // For example, the user enters "1-3;5-7" in the dialog: pages 1-3 and 5-7 will be correctly printed when the user
 689             // will hit "OK" button. However we can only save 1-3 in the print data.
 690             gint num_ranges = 0;
 691             GtkPageRange* range;
 692             range = gtk_print_settings_get_page_ranges (newSettings, &num_ranges);
 693             if (num_ranges >= 1)
 694             {
 695                 m_printDialogData.SetFromPage( range[0].start );
 696                 m_printDialogData.SetToPage( range[0].end );
 697             }
 698             else {
 699                 m_printDialogData.SetAllPages( true );
 700                 m_printDialogData.SetFromPage( 0 );
 701                 m_printDialogData.SetToPage( 9999 );
 702             }
 703             break;}
 704         case GTK_PRINT_PAGES_ALL:
 705         default:
 706             m_printDialogData.SetAllPages( true );
 707             m_printDialogData.SetFromPage( 0 );
 708             m_printDialogData.SetToPage( 9999 );
 709             break;
 710     }
 711
 712     return wxID_OK;
 713 }
 714
 715 //----------------------------------------------------------------------------
 716 // wxGtkPageSetupDialog
 717 //----------------------------------------------------------------------------
 718
 719 IMPLEMENT_CLASS(wxGtkPageSetupDialog, wxPageSetupDialogBase)
 720
 721 wxGtkPageSetupDialog::wxGtkPageSetupDialog( wxWindow *parent,
 722                             wxPageSetupDialogData* data )
 723 {
 724     if (data)
 725         m_pageDialogData = *data;
 726
 727     m_parent = parent;
 728 }
 729
 730 wxGtkPageSetupDialog::~wxGtkPageSetupDialog()
 731 {
 732 }
 733
 734 int wxGtkPageSetupDialog::ShowModal()
 735 {
 736     // Get the config.
 737     m_pageDialogData.GetPrintData().ConvertToNative();
 738     wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) m_pageDialogData.GetPrintData().GetNativeData();
 739     GtkPrintSettings* nativeData = native->GetPrintConfig();
 740
 741     // We only need the pagesetup data which are part of the settings.
 742     GtkPageSetup* oldPageSetup = native->GetPageSetupFromSettings(nativeData);
 743
 744     // If the user used a custom paper format the last time he printed, we have to restore it too.
 745     if (m_pageDialogData.GetPrintData().GetPaperId() == wxPAPER_NONE)
 746     {
 747         wxSize customPaperSize = m_pageDialogData.GetPaperSize();
 748         if (customPaperSize.GetWidth() > 0 && customPaperSize.GetHeight() > 0)
 749         {
 750             wxString title = _("Custom size");
 751             GtkPaperSize* customSize = gtk_paper_size_new_custom ("custom", title.mb_str(), (gdouble) customPaperSize.GetWidth(), (gdouble) customPaperSize.GetHeight(), GTK_UNIT_MM);
 752             gtk_page_setup_set_paper_size_and_default_margins (oldPageSetup, customSize);
 753             g_object_unref(customSize);
 754         }
 755     }
 756
 757     // Now show the dialog.
 758     GtkPageSetup* newPageSetup = gtk_print_run_page_setup_dialog (GTK_WINDOW(m_parent->m_widget),
 759                                                            oldPageSetup,
 760                                                            nativeData);
 761
 762     int ret;
 763     if (newPageSetup != oldPageSetup)
 764     {
 765         native->SetPageSetupToSettings(nativeData, newPageSetup);
 766         m_pageDialogData.GetPrintData().ConvertFromNative();
 767
 768         // Store custom paper format if any.
 769         if (m_pageDialogData.GetPrintData().GetPaperId() == wxPAPER_NONE)
 770         {
 771             gdouble ml,mr,mt,mb,pw,ph;
 772             ml = gtk_page_setup_get_left_margin (newPageSetup, GTK_UNIT_MM);
 773             mr = gtk_page_setup_get_right_margin (newPageSetup, GTK_UNIT_MM);
 774             mt = gtk_page_setup_get_top_margin (newPageSetup, GTK_UNIT_MM);
 775             mb = gtk_page_setup_get_bottom_margin (newPageSetup, GTK_UNIT_MM);
 776
 777             pw = gtk_page_setup_get_paper_width (newPageSetup, GTK_UNIT_MM);
 778             ph = gtk_page_setup_get_paper_height (newPageSetup, GTK_UNIT_MM);
 779
 780             m_pageDialogData.SetMarginTopLeft( wxPoint( (int)(ml+0.5), (int)(mt+0.5)) );
 781             m_pageDialogData.SetMarginBottomRight( wxPoint( (int)(mr+0.5), (int)(mb+0.5)) );
 782
 783             m_pageDialogData.SetPaperSize( wxSize( (int)(pw+0.5), (int)(ph+0.5) ) );
 784         }
 785
 786         ret = wxID_OK;
 787     }
 788     else
 789     {
 790         ret = wxID_CANCEL;
 791     }
 792
 793     return ret;
 794 }
 795
 796 //----------------------------------------------------------------------------
 797 // wxGtkPrinter
 798 //----------------------------------------------------------------------------
 799
 800 IMPLEMENT_CLASS(wxGtkPrinter, wxPrinterBase)
 801
 802 wxGtkPrinter::wxGtkPrinter( wxPrintDialogData *data ) :
 803     wxPrinterBase( data )
 804 {
 805     m_gpc = NULL;
 806
 807     if (data)
 808         m_printDialogData = *data;
 809 }
 810
 811 wxGtkPrinter::~wxGtkPrinter()
 812 {
 813 }
 814
 815 bool wxGtkPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt )
 816 {
 817     if (!printout)
 818     {
 819         sm_lastError = wxPRINTER_ERROR;
 820         return false;
 821     }
 822
 823     // Let's correct the PageInfo just in case the app gives wrong values.
 824     int fromPage, toPage;
 825     int minPage, maxPage;
 826     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 827     m_printDialogData.SetAllPages(true);
 828
 829     if (minPage < 1) minPage = 1;
 830     if (maxPage < 1) maxPage = 9999;
 831     if (maxPage < minPage) maxPage = minPage;
 832
 833     m_printDialogData.SetMinPage(minPage);
 834     m_printDialogData.SetMaxPage(maxPage);
 835     if (fromPage != 0)
 836     {
 837         if (fromPage < minPage) fromPage = minPage;
 838         else if (fromPage > maxPage) fromPage = maxPage;
 839         m_printDialogData.SetFromPage(fromPage);
 840     }
 841     if (toPage != 0)
 842     {
 843         m_printDialogData.SetToPage(toPage);
 844         if (toPage > maxPage) toPage = maxPage;
 845         else if (toPage < minPage) toPage = minPage;
 846     }
 847
 848     if (((minPage != fromPage) && fromPage != 0) || ((maxPage != toPage) && toPage != 0)) m_printDialogData.SetAllPages(false);
 849
 850
 851     wxPrintData printdata = GetPrintDialogData().GetPrintData();
 852     wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) printdata.GetNativeData();
 853
 854     GtkPrintOperation *printOp = gtk_print_operation_new ();
 855
 856     native->SetPrintJob( printOp );
 857
 858     printout->SetIsPreview(false);
 859
 860     wxPrinterToGtkData dataToSend;
 861     dataToSend.printer = this;
 862     dataToSend.printout = printout;
 863
 864     // These Gtk signals are caught here.
 865     g_signal_connect (printOp, "begin-print", G_CALLBACK (gtk_begin_print_callback), &dataToSend);
 866     g_signal_connect (printOp, "draw-page", G_CALLBACK (gtk_draw_page_print_callback), &dataToSend);
 867     g_signal_connect (printOp, "end-print", G_CALLBACK (gtk_end_print_callback), printout);
 868     g_signal_connect (printOp, "preview", G_CALLBACK (gtk_preview_print_callback), printout);
 869
 870     // This is used to setup the DC and
 871     // show the dialog if desired
 872     wxGtkPrintDialog dialog( parent, &m_printDialogData );
 873     dialog.SetPrintDC(m_dc);
 874     dialog.SetShowDialog(prompt);
 875
 876     // doesn't necessarily show
 877     int ret = dialog.ShowModal();
 878     if (ret == wxID_CANCEL)
 879     {
 880         sm_lastError = wxPRINTER_CANCELLED;
 881     }
 882     if (ret == wxID_NO)
 883     {
 884         sm_lastError = wxPRINTER_ERROR;
 885         wxFAIL_MSG(_("The print dialog returned an error."));
 886     }
 887
 888     g_object_unref (printOp);
 889
 890     return (sm_lastError == wxPRINTER_NO_ERROR);
 891 }
 892
 893 void wxGtkPrinter::BeginPrint(wxPrintout *printout, GtkPrintOperation *operation, GtkPrintContext *context)
 894 {
 895     wxPrintData printdata = GetPrintDialogData().GetPrintData();
 896     wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) printdata.GetNativeData();
 897
 898     // We need to update printdata with the new data from the dialog and we
 899     // have to do this here because this method needs this new data and we
 900     // cannot update it earlier
 901     native->SetPrintConfig(gtk_print_operation_get_print_settings(operation));
 902     printdata.ConvertFromNative();
 903
 904     SetPrintContext(context);
 905     native->SetPrintContext( context );
 906
 907     wxPrinterDC *printDC = new wxPrinterDC( printdata );
 908     m_dc = printDC;
 909
 910     if (!m_dc->IsOk())
 911     {
 912         if (sm_lastError != wxPRINTER_CANCELLED)
 913         {
 914             sm_lastError = wxPRINTER_ERROR;
 915             wxFAIL_MSG(_("The wxGtkPrinterDC cannot be used."));
 916         }
 917         return;
 918     }
 919
 920     printout->SetPPIScreen(wxGetDisplayPPI());
 921     printout->SetPPIPrinter( printDC->GetResolution(),
 922                              printDC->GetResolution() );
 923
 924     printout->SetDC(m_dc);
 925
 926     int w, h;
 927     m_dc->GetSize(&w, &h);
 928     printout->SetPageSizePixels((int)w, (int)h);
 929     printout->SetPaperRectPixels(wxRect(0, 0, w, h));
 930     int mw, mh;
 931     m_dc->GetSizeMM(&mw, &mh);
 932     printout->SetPageSizeMM((int)mw, (int)mh);
 933     printout->OnPreparePrinting();
 934
 935     // Get some parameters from the printout, if defined.
 936     int fromPage, toPage;
 937     int minPage, maxPage;
 938     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 939
 940     if (maxPage == 0)
 941     {
 942         sm_lastError = wxPRINTER_ERROR;
 943         wxFAIL_MSG(_("wxPrintout::GetPageInfo gives a null maxPage."));
 944         return;
 945     }
 946
 947     printout->OnBeginPrinting();
 948
 949     int numPages = 0;
 950
 951     // If we're not previewing we need to calculate the number of pages to print.
 952     // If we're previewing, Gtk Print will render every pages without wondering about the page ranges the user may
 953     // have defined in the dialog. So the number of pages is the maximum available.
 954     if (!printout->IsPreview())
 955     {
 956         GtkPrintSettings * settings = gtk_print_operation_get_print_settings (operation);
 957         switch (gtk_print_settings_get_print_pages(settings))
 958         {
 959             case GTK_PRINT_PAGES_CURRENT:
 960                 numPages = 1;
 961                 break;
 962             case GTK_PRINT_PAGES_RANGES:
 963                 {gint num_ranges = 0;
 964                 GtkPageRange* range;
 965                 int i;
 966                 range = gtk_print_settings_get_page_ranges (settings, &num_ranges);
 967                 for (i=0; i<num_ranges; i++)
 968                 {
 969                     if (range[i].end < range[i].start) range[i].end = range[i].start;
 970                     if (range[i].start < minPage-1) range[i].start = minPage-1;
 971                     if (range[i].end > maxPage-1) range[i].end = maxPage-1;
 972                     if (range[i].start > maxPage-1) range[i].start = maxPage-1;
 973                     numPages += range[i].end - range[i].start + 1;
 974                 }
 975                 gtk_print_settings_set_page_ranges (settings, range, 1);
 976                 break;}
 977             case GTK_PRINT_PAGES_ALL:
 978             default:
 979                 numPages = maxPage - minPage + 1;
 980                 break;
 981         }
 982     }
 983     else numPages = maxPage - minPage + 1;
 984
 985     gtk_print_operation_set_n_pages(operation, numPages);
 986 }
 987
 988 void wxGtkPrinter::DrawPage(wxPrintout *printout,
 989                             GtkPrintOperation *operation,
 990                             GtkPrintContext * WXUNUSED(context),
 991                             int page_nr)
 992 {
 993     int fromPage, toPage, minPage, maxPage, startPage, endPage;
 994     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 995
 996     int numPageToDraw = page_nr + minPage;
 997     if (numPageToDraw < minPage) numPageToDraw = minPage;
 998     if (numPageToDraw > maxPage) numPageToDraw = maxPage;
 999
1000     GtkPrintSettings * settings = gtk_print_operation_get_print_settings (operation);
1001     switch (gtk_print_settings_get_print_pages(settings))
1002     {
1003         case GTK_PRINT_PAGES_CURRENT:
1004             g_object_get_property((GObject*) operation, (const gchar *) "current-page", (GValue*) &startPage);
1005             g_object_get_property((GObject*) operation, (const gchar *) "current-page", (GValue*) &endPage);
1006             break;
1007         case GTK_PRINT_PAGES_RANGES:
1008             {gint num_ranges = 0;
1009             GtkPageRange* range;
1010             range = gtk_print_settings_get_page_ranges (settings, &num_ranges);
1011             // We don't need to verify these values as it has already been done in wxGtkPrinter::BeginPrint.
1012             if (num_ranges >= 1)
1013             {
1014                 startPage = range[0].start + 1;
1015                 endPage = range[0].end + 1;
1016             }
1017             else {
1018                 startPage = minPage;
1019                 endPage = maxPage;
1020             }
1021             break;}
1022         case GTK_PRINT_PAGES_ALL:
1023         default:
1024             startPage = minPage;
1025             endPage = maxPage;
1026             break;
1027     }
1028
1029     if(numPageToDraw == startPage)
1030     {
1031         if (!printout->OnBeginDocument(startPage, endPage))
1032         {
1033             wxLogError(_("Could not start printing."));
1034             sm_lastError = wxPRINTER_ERROR;
1035         }
1036     }
1037
1038     // The app can render the page numPageToDraw.
1039     if (printout->HasPage(numPageToDraw))
1040     {
1041         m_dc->StartPage();
1042         printout->OnPrintPage(numPageToDraw);
1043         m_dc->EndPage();
1044     }
1045
1046
1047     if(numPageToDraw == endPage)
1048     {
1049         printout->OnEndDocument();
1050     }
1051 }
1052
1053 wxDC* wxGtkPrinter::PrintDialog( wxWindow *parent )
1054 {
1055     wxGtkPrintDialog dialog( parent, &m_printDialogData );
1056
1057     dialog.SetPrintDC(m_dc);
1058     dialog.SetShowDialog(true);
1059
1060     int ret = dialog.ShowModal();
1061
1062     if (ret == wxID_CANCEL)
1063     {
1064         sm_lastError = wxPRINTER_CANCELLED;
1065         return NULL;
1066     }
1067     if (ret == wxID_NO)
1068     {
1069         sm_lastError = wxPRINTER_ERROR;
1070         wxFAIL_MSG(_("The print dialog returned an error."));
1071         return NULL;
1072     }
1073
1074     m_printDialogData = dialog.GetPrintDialogData();
1075
1076     return new wxPrinterDC( m_printDialogData.GetPrintData() );
1077 }
1078
1079 bool wxGtkPrinter::Setup( wxWindow * WXUNUSED(parent) )
1080 {
1081     // Obsolete, for backward compatibility.
1082     return false;
1083 }
1084
1085 //-----------------------------------------------------------------------------
1086 // wxGtkPrinterDC
1087 //-----------------------------------------------------------------------------
1088
1089 #define wxCAIRO_SCALE 1
1090
1091 #if wxCAIRO_SCALE
1092
1093 #define XLOG2DEV(x)     LogicalToDeviceX(x)
1094 #define XLOG2DEVREL(x)  LogicalToDeviceXRel(x)
1095 #define YLOG2DEV(x)     LogicalToDeviceY(x)
1096 #define YLOG2DEVREL(x)  LogicalToDeviceYRel(x)
1097
1098 #else
1099
1100 #define XLOG2DEV(x)     ((double)(LogicalToDeviceX(x)) * m_DEV2PS)
1101 #define XLOG2DEVREL(x)  ((double)(LogicalToDeviceXRel(x)) * m_DEV2PS)
1102 #define YLOG2DEV(x)     ((double)(LogicalToDeviceY(x)) * m_DEV2PS)
1103 #define YLOG2DEVREL(x)  ((double)(LogicalToDeviceYRel(x)) * m_DEV2PS)
1104
1105 #endif
1106
1107 IMPLEMENT_ABSTRACT_CLASS(wxGtkPrinterDCImpl, wxDCImpl)
1108
1109 wxGtkPrinterDCImpl::wxGtkPrinterDCImpl(wxPrinterDC *owner, const wxPrintData& data)
1110                   : wxDCImpl( owner )
1111 {
1112     m_printData = data;
1113
1114     wxGtkPrintNativeData *native =
1115         (wxGtkPrintNativeData*) m_printData.GetNativeData();
1116
1117     m_gpc = native->GetPrintContext();
1118
1119     // Match print quality to resolution (high = 1200dpi)
1120     m_resolution = m_printData.GetQuality(); // (int) gtk_print_context_get_dpi_x( m_gpc );
1121     if (m_resolution < 0)
1122         m_resolution = (1 << (m_resolution+4)) *150;
1123
1124     m_context = gtk_print_context_create_pango_context( m_gpc );
1125     m_layout = gtk_print_context_create_pango_layout ( m_gpc );
1126     m_fontdesc = pango_font_description_from_string( "Sans 12" );
1127
1128     m_cairo = gtk_print_context_get_cairo_context ( m_gpc );
1129
1130 #if wxCAIRO_SCALE
1131     m_PS2DEV = 1.0;
1132     m_DEV2PS = 1.0;
1133
1134     cairo_scale( m_cairo, 72.0 / (double)m_resolution, 72.0 / (double)m_resolution );
1135 #else
1136     m_PS2DEV = (double)m_resolution / 72.0;
1137     m_DEV2PS = 72.0 / (double)m_resolution;
1138 #endif
1139
1140     m_currentRed = 0;
1141     m_currentBlue = 0;
1142     m_currentGreen = 0;
1143
1144     m_signX = 1;  // default x-axis left to right.
1145     m_signY = 1;  // default y-axis bottom up -> top down.
1146
1147     // By default the origin of the Cairo context is in the upper left
1148     // corner of the printable area. We need to translate it so that it
1149     // is in the upper left corner of the paper (without margins)
1150     GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc );
1151     gdouble ml, mt;
1152     ml = gtk_page_setup_get_left_margin (setup, GTK_UNIT_POINTS);
1153     mt = gtk_page_setup_get_top_margin (setup, GTK_UNIT_POINTS);
1154     cairo_translate(m_cairo, -ml, -mt);
1155 }
1156
1157 wxGtkPrinterDCImpl::~wxGtkPrinterDCImpl()
1158 {
1159     g_object_unref(m_context);
1160     g_object_unref(m_layout);
1161 }
1162
1163 bool wxGtkPrinterDCImpl::IsOk() const
1164 {
1165     return m_gpc != NULL;
1166 }
1167
1168 void* wxGtkPrinterDCImpl::GetCairoContext() const
1169 {
1170     return (void*) cairo_reference( m_cairo );
1171 }
1172
1173 bool wxGtkPrinterDCImpl::DoFloodFill(wxCoord WXUNUSED(x1),
1174                                wxCoord WXUNUSED(y1),
1175                                const wxColour& WXUNUSED(col),
1176                                int WXUNUSED(style))
1177 {
1178     // We can't access the given coord as a Cairo context is scalable, ie a
1179     // coord doesn't mean anything in this context.
1180     wxFAIL_MSG(_("not implemented"));
1181     return false;
1182 }
1183
1184 void wxGtkPrinterDCImpl::DoGradientFillConcentric(const wxRect& rect, const wxColour& initialColour, const wxColour& destColour, const wxPoint& circleCenter)
1185 {
1186     wxCoord xC = circleCenter.x;
1187     wxCoord yC = circleCenter.y;
1188     wxCoord xR = rect.x;
1189     wxCoord yR = rect.y;
1190     wxCoord w =  rect.width;
1191     wxCoord h = rect.height;
1192
1193     const double r2 = (w/2)*(w/2)+(h/2)*(h/2);
1194     double radius = sqrt(r2);
1195
1196     unsigned char redI = initialColour.Red();
1197     unsigned char blueI = initialColour.Blue();
1198     unsigned char greenI = initialColour.Green();
1199     unsigned char alphaI = initialColour.Alpha();
1200     unsigned char redD = destColour.Red();
1201     unsigned char blueD = destColour.Blue();
1202     unsigned char greenD = destColour.Green();
1203     unsigned char alphaD = destColour.Alpha();
1204
1205     double redIPS = (double)(redI) / 255.0;
1206     double blueIPS = (double)(blueI) / 255.0;
1207     double greenIPS = (double)(greenI) / 255.0;
1208     double alphaIPS = (double)(alphaI) / 255.0;
1209     double redDPS = (double)(redD) / 255.0;
1210     double blueDPS = (double)(blueD) / 255.0;
1211     double greenDPS = (double)(greenD) / 255.0;
1212     double alphaDPS = (double)(alphaD) / 255.0;
1213
1214     // Create a pattern with the gradient.
1215     cairo_pattern_t* gradient;
1216     gradient = cairo_pattern_create_radial (XLOG2DEV(xC+xR), YLOG2DEV(yC+yR), 0, XLOG2DEV(xC+xR), YLOG2DEV(yC+yR), radius * m_DEV2PS );
1217     cairo_pattern_add_color_stop_rgba (gradient, 0.0, redIPS, greenIPS, blueIPS, alphaIPS);
1218     cairo_pattern_add_color_stop_rgba (gradient, 1.0, redDPS, greenDPS, blueDPS, alphaDPS);
1219
1220     // Fill the rectangle with this pattern.
1221     cairo_set_source(m_cairo, gradient);
1222     cairo_rectangle (m_cairo, XLOG2DEV(xR), YLOG2DEV(yR), XLOG2DEVREL(w), YLOG2DEVREL(h) );
1223     cairo_fill(m_cairo);
1224
1225     cairo_pattern_destroy(gradient);
1226
1227     CalcBoundingBox(xR, yR);
1228     CalcBoundingBox(xR+w, yR+h);
1229 }
1230
1231 void wxGtkPrinterDCImpl::DoGradientFillLinear(const wxRect& rect, const wxColour& initialColour, const wxColour& destColour, wxDirection nDirection)
1232 {
1233     wxCoord x = rect.x;
1234     wxCoord y = rect.y;
1235     wxCoord w = rect.width;
1236     wxCoord h = rect.height;
1237
1238     unsigned char redI = initialColour.Red();
1239     unsigned char blueI = initialColour.Blue();
1240     unsigned char greenI = initialColour.Green();
1241     unsigned char alphaI = initialColour.Alpha();
1242     unsigned char redD = destColour.Red();
1243     unsigned char blueD = destColour.Blue();
1244     unsigned char greenD = destColour.Green();
1245     unsigned char alphaD = destColour.Alpha();
1246
1247     double redIPS = (double)(redI) / 255.0;
1248     double blueIPS = (double)(blueI) / 255.0;
1249     double greenIPS = (double)(greenI) / 255.0;
1250     double alphaIPS = (double)(alphaI) / 255.0;
1251     double redDPS = (double)(redD) / 255.0;
1252     double blueDPS = (double)(blueD) / 255.0;
1253     double greenDPS = (double)(greenD) / 255.0;
1254     double alphaDPS = (double)(alphaD) / 255.0;
1255
1256     // Create a pattern with the gradient.
1257     cairo_pattern_t* gradient;
1258     gradient = cairo_pattern_create_linear (XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x+w), YLOG2DEV(y));
1259
1260     if (nDirection == wxWEST)
1261     {
1262         cairo_pattern_add_color_stop_rgba (gradient, 0.0, redDPS, greenDPS, blueDPS, alphaDPS);
1263         cairo_pattern_add_color_stop_rgba (gradient, 1.0, redIPS, greenIPS, blueIPS, alphaIPS);
1264     }
1265     else {
1266         cairo_pattern_add_color_stop_rgba (gradient, 0.0, redIPS, greenIPS, blueIPS, alphaIPS);
1267         cairo_pattern_add_color_stop_rgba (gradient, 1.0, redDPS, greenDPS, blueDPS, alphaDPS);
1268     }
1269
1270     // Fill the rectangle with this pattern.
1271     cairo_set_source(m_cairo, gradient);
1272     cairo_rectangle (m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(w), YLOG2DEVREL(h) );
1273     cairo_fill(m_cairo);
1274
1275     cairo_pattern_destroy(gradient);
1276
1277     CalcBoundingBox(x, y);
1278     CalcBoundingBox(x+w, y+h);
1279 }
1280
1281 bool wxGtkPrinterDCImpl::DoGetPixel(wxCoord WXUNUSED(x1),
1282                               wxCoord WXUNUSED(y1),
1283                               wxColour * WXUNUSED(col)) const
1284 {
1285     wxFAIL_MSG(_("not implemented"));
1286     return false;
1287 }
1288
1289 void wxGtkPrinterDCImpl::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
1290 {
1291     if  (m_pen.GetStyle() == wxPENSTYLE_TRANSPARENT) return;
1292
1293     SetPen( m_pen );
1294     cairo_move_to ( m_cairo, XLOG2DEV(x1), YLOG2DEV(y1) );
1295     cairo_line_to ( m_cairo, XLOG2DEV(x2), YLOG2DEV(y2) );
1296     cairo_stroke ( m_cairo );
1297
1298     CalcBoundingBox( x1, y1 );
1299     CalcBoundingBox( x2, y2 );
1300 }
1301
1302 void wxGtkPrinterDCImpl::DoCrossHair(wxCoord x, wxCoord y)
1303 {
1304     int w, h;
1305     DoGetSize(&w, &h);
1306
1307     SetPen(m_pen);
1308
1309     cairo_move_to (m_cairo, XLOG2DEV(x), 0);
1310     cairo_line_to (m_cairo, XLOG2DEV(x), YLOG2DEVREL(h));
1311     cairo_move_to (m_cairo, 0, YLOG2DEV(y));
1312     cairo_line_to (m_cairo, XLOG2DEVREL(w), YLOG2DEV(y));
1313
1314     cairo_stroke (m_cairo);
1315     CalcBoundingBox( 0, 0 );
1316     CalcBoundingBox( w, h );
1317 }
1318
1319 void wxGtkPrinterDCImpl::DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc)
1320 {
1321     double dx = x1 - xc;
1322     double dy = y1 - yc;
1323     double radius = sqrt((double)(dx*dx+dy*dy));
1324
1325     double alpha1, alpha2;
1326     if (x1 == x2 && y1 == y2)
1327     {
1328         alpha1 = 0.0;
1329         alpha2 = 360.0;
1330     }
1331     else
1332     if (radius == 0.0)
1333     {
1334         alpha1 = alpha2 = 0.0;
1335     }
1336     else
1337     {
1338         alpha1 = (x1 - xc == 0) ?
1339             (y1 - yc < 0) ? 90.0 : -90.0 :
1340             atan2(double(y1-yc), double(x1-xc)) * RAD2DEG;
1341         alpha2 = (x2 - xc == 0) ?
1342             (y2 - yc < 0) ? 90.0 : -90.0 :
1343             atan2(double(y2-yc), double(x2-xc)) * RAD2DEG;
1344
1345         while (alpha1 <= 0)   alpha1 += 360;
1346         while (alpha2 <= 0)   alpha2 += 360; // adjust angles to be between.
1347         while (alpha1 > 360)  alpha1 -= 360; // 0 and 360 degree.
1348         while (alpha2 > 360)  alpha2 -= 360;
1349     }
1350
1351     alpha1 *= DEG2RAD;
1352     alpha2 *= DEG2RAD;
1353
1354     cairo_new_path(m_cairo);
1355
1356     cairo_arc_negative ( m_cairo, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2);
1357     cairo_line_to(m_cairo, XLOG2DEV(xc), YLOG2DEV(yc));
1358     cairo_close_path (m_cairo);
1359
1360     SetBrush( m_brush );
1361     cairo_fill_preserve( m_cairo );
1362
1363     SetPen (m_pen);
1364     cairo_stroke( m_cairo );
1365
1366     CalcBoundingBox (x1, y1);
1367     CalcBoundingBox (xc, yc);
1368     CalcBoundingBox (x2, y2);
1369 }
1370
1371 void wxGtkPrinterDCImpl::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
1372 {
1373     cairo_save( m_cairo );
1374
1375     cairo_new_path(m_cairo);
1376
1377     cairo_translate( m_cairo, XLOG2DEV((wxCoord) (x + w / 2.)), XLOG2DEV((wxCoord) (y + h / 2.)) );
1378     double scale = (double)YLOG2DEVREL(h) / (double) XLOG2DEVREL(w);
1379     cairo_scale( m_cairo, 1.0, scale );
1380
1381     cairo_arc_negative ( m_cairo, 0, 0, XLOG2DEVREL(w/2), -sa*DEG2RAD, -ea*DEG2RAD);
1382
1383     SetPen (m_pen);
1384     cairo_stroke_preserve( m_cairo );
1385
1386     cairo_line_to(m_cairo, 0,0);
1387
1388     SetBrush( m_brush );
1389     cairo_fill( m_cairo );
1390
1391     cairo_restore( m_cairo );
1392
1393     CalcBoundingBox( x, y);
1394     CalcBoundingBox( x+w, y+h );
1395 }
1396
1397 void wxGtkPrinterDCImpl::DoDrawPoint(wxCoord x, wxCoord y)
1398 {
1399     if  (m_pen.GetStyle() == wxPENSTYLE_TRANSPARENT) return;
1400
1401     SetPen( m_pen );
1402
1403     cairo_move_to ( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1404     cairo_line_to ( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1405     cairo_stroke ( m_cairo );
1406
1407     CalcBoundingBox( x, y );
1408 }
1409
1410 void wxGtkPrinterDCImpl::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
1411 {
1412     if (m_pen.GetStyle() == wxPENSTYLE_TRANSPARENT) return;
1413
1414     if (n <= 0) return;
1415
1416     SetPen (m_pen);
1417
1418     int i;
1419     for ( i =0; i<n ; i++ )
1420         CalcBoundingBox( points[i].x+xoffset, points[i].y+yoffset);
1421
1422     cairo_move_to ( m_cairo, XLOG2DEV(points[0].x+xoffset), YLOG2DEV(points[0].y+yoffset) );
1423
1424     for (i = 1; i < n; i++)
1425         cairo_line_to ( m_cairo, XLOG2DEV(points[i].x+xoffset), YLOG2DEV(points[i].y+yoffset) );
1426
1427     cairo_stroke ( m_cairo);
1428 }
1429
1430 void wxGtkPrinterDCImpl::DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
1431 {
1432     if (n==0) return;
1433
1434     cairo_save(m_cairo);
1435     if (fillStyle == wxWINDING_RULE)
1436         cairo_set_fill_rule( m_cairo, CAIRO_FILL_RULE_WINDING);
1437     else
1438         cairo_set_fill_rule( m_cairo, CAIRO_FILL_RULE_EVEN_ODD);
1439
1440     int x = points[0].x + xoffset;
1441     int y = points[0].y + yoffset;
1442     cairo_new_path(m_cairo);
1443     cairo_move_to( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1444     int i;
1445     for (i = 1; i < n; i++)
1446     {
1447         int x = points[i].x + xoffset;
1448         int y = points[i].y + yoffset;
1449         cairo_line_to( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1450     }
1451     cairo_close_path(m_cairo);
1452
1453     SetBrush( m_brush );
1454     cairo_fill_preserve( m_cairo );
1455
1456     SetPen (m_pen);
1457     cairo_stroke( m_cairo );
1458
1459     CalcBoundingBox( x, y );
1460
1461     cairo_restore(m_cairo);
1462 }
1463
1464 void wxGtkPrinterDCImpl::DoDrawPolyPolygon(int n, int count[], wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
1465 {
1466     wxDCImpl::DoDrawPolyPolygon( n, count, points, xoffset, yoffset, fillStyle );
1467 }
1468
1469 void wxGtkPrinterDCImpl::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1470 {
1471     width--;
1472     height--;
1473
1474     cairo_new_path(m_cairo);
1475     cairo_rectangle ( m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(width), YLOG2DEVREL(height));
1476
1477     SetBrush( m_brush );
1478     cairo_fill_preserve( m_cairo );
1479
1480     SetPen (m_pen);
1481     cairo_stroke( m_cairo );
1482
1483     CalcBoundingBox( x, y );
1484     CalcBoundingBox( x + width, y + height );
1485 }
1486
1487 void wxGtkPrinterDCImpl::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
1488 {
1489     width--;
1490     height--;
1491
1492     if (radius < 0.0) radius = - radius * ((width < height) ? width : height);
1493
1494     wxCoord dd = 2 * (wxCoord) radius;
1495     if (dd > width) dd = width;
1496     if (dd > height) dd = height;
1497     radius = dd / 2;
1498
1499     wxCoord rad = (wxCoord) radius;
1500
1501     cairo_new_path(m_cairo);
1502     cairo_move_to(m_cairo,XLOG2DEV(x + rad),YLOG2DEV(y));
1503     cairo_curve_to(m_cairo,
1504                                 XLOG2DEV(x + rad),YLOG2DEV(y),
1505                                 XLOG2DEV(x),YLOG2DEV(y),
1506                                 XLOG2DEV(x),YLOG2DEV(y + rad));
1507     cairo_line_to(m_cairo,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1508     cairo_curve_to(m_cairo,
1509                                 XLOG2DEV(x),YLOG2DEV(y + height - rad),
1510                                 XLOG2DEV(x),YLOG2DEV(y + height),
1511                                 XLOG2DEV(x + rad),YLOG2DEV(y + height));
1512     cairo_line_to(m_cairo,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1513     cairo_curve_to(m_cairo,
1514                                 XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1515                                 XLOG2DEV(x + width),YLOG2DEV(y + height),
1516                                 XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1517     cairo_line_to(m_cairo,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1518     cairo_curve_to(m_cairo,
1519                                 XLOG2DEV(x + width),YLOG2DEV(y + rad),
1520                                 XLOG2DEV(x + width),YLOG2DEV(y),
1521                                 XLOG2DEV(x + width - rad),YLOG2DEV(y));
1522     cairo_line_to(m_cairo,XLOG2DEV(x + rad),YLOG2DEV(y));
1523     cairo_close_path(m_cairo);
1524
1525     SetBrush(m_brush);
1526     cairo_fill_preserve(m_cairo);
1527
1528     SetPen(m_pen);
1529     cairo_stroke(m_cairo);
1530
1531     CalcBoundingBox(x,y);
1532     CalcBoundingBox(x+width,y+height);
1533 }
1534
1535 void wxGtkPrinterDCImpl::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1536 {
1537     width--;
1538     height--;
1539
1540     cairo_save (m_cairo);
1541
1542     cairo_new_path(m_cairo);
1543
1544     cairo_translate (m_cairo, XLOG2DEV((wxCoord) (x + width / 2.)), YLOG2DEV((wxCoord) (y + height / 2.)));
1545     cairo_scale(m_cairo, 1, (double)YLOG2DEVREL(height)/(double)XLOG2DEVREL(width));
1546     cairo_arc ( m_cairo, 0, 0, XLOG2DEVREL(width/2), 0, 2 * M_PI);
1547
1548     SetBrush( m_brush );
1549     cairo_fill_preserve( m_cairo );
1550
1551     SetPen (m_pen);
1552     cairo_stroke( m_cairo );
1553
1554     CalcBoundingBox( x, y );
1555     CalcBoundingBox( x + width, y + height );
1556
1557     cairo_restore (m_cairo);
1558 }
1559
1560 #if wxUSE_SPLINES
1561 void wxGtkPrinterDCImpl::DoDrawSpline(const wxPointList *points)
1562 {
1563     SetPen (m_pen);
1564
1565     double c, d, x1, y1, x2, y2, x3, y3;
1566     wxPoint *p, *q;
1567
1568     wxPointList::compatibility_iterator node = points->GetFirst();
1569     p = node->GetData();
1570     x1 = p->x;
1571     y1 = p->y;
1572
1573     node = node->GetNext();
1574     p = node->GetData();
1575     c = p->x;
1576     d = p->y;
1577     x3 =
1578          (double)(x1 + c) / 2;
1579     y3 =
1580          (double)(y1 + d) / 2;
1581
1582     cairo_new_path( m_cairo );
1583     cairo_move_to( m_cairo, XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1) );
1584     cairo_line_to( m_cairo, XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1585
1586     CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1587     CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1588
1589     node = node->GetNext();
1590     while (node)
1591     {
1592         q = node->GetData();
1593
1594         x1 = x3;
1595         y1 = y3;
1596         x2 = c;
1597         y2 = d;
1598         c = q->x;
1599         d = q->y;
1600         x3 = (double)(x2 + c) / 2;
1601         y3 = (double)(y2 + d) / 2;
1602
1603         cairo_curve_to(m_cairo,
1604             XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1),
1605             XLOG2DEV((wxCoord)x2), YLOG2DEV((wxCoord)y2),
1606             XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1607
1608         CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1609         CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1610
1611         node = node->GetNext();
1612     }
1613
1614     cairo_line_to ( m_cairo, XLOG2DEV((wxCoord)c), YLOG2DEV((wxCoord)d) );
1615
1616     cairo_stroke( m_cairo );
1617 }
1618 #endif // wxUSE_SPLINES
1619
1620 bool wxGtkPrinterDCImpl::DoBlit(wxCoord xdest, wxCoord ydest,
1621                           wxCoord width, wxCoord height,
1622                           wxDC *source, wxCoord xsrc, wxCoord ysrc,
1623                           int rop, bool useMask,
1624                           wxCoord WXUNUSED_UNLESS_DEBUG(xsrcMask),
1625                           wxCoord WXUNUSED_UNLESS_DEBUG(ysrcMask))
1626 {
1627     wxASSERT_MSG( xsrcMask == wxDefaultCoord && ysrcMask == wxDefaultCoord,
1628                   wxT("mask coordinates are not supported") );
1629
1630     wxCHECK_MSG( source, false, wxT("invalid source dc") );
1631
1632     // Blit into a bitmap.
1633     wxBitmap bitmap( width, height );
1634     wxMemoryDC memDC;
1635     memDC.SelectObject(bitmap);
1636     memDC.Blit(0, 0, width, height, source, xsrc, ysrc, rop);
1637     memDC.SelectObject(wxNullBitmap);
1638
1639     // Draw bitmap. scaling and positioning is done there.
1640     GetOwner()->DrawBitmap( bitmap, xdest, ydest, useMask );
1641
1642     return true;
1643 }
1644
1645 void wxGtkPrinterDCImpl::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y )
1646 {
1647     DoDrawBitmap( icon, x, y, true );
1648 }
1649
1650 void wxGtkPrinterDCImpl::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask )
1651 {
1652     wxCHECK_RET( bitmap.IsOk(), wxT("Invalid bitmap in wxGtkPrinterDCImpl::DoDrawBitmap"));
1653
1654     x = wxCoord(XLOG2DEV(x));
1655     y = wxCoord(YLOG2DEV(y));
1656     int bw = bitmap.GetWidth();
1657     int bh = bitmap.GetHeight();
1658     wxBitmap bmpSource = bitmap;  // we need a non-const instance.
1659     if (!useMask && !bitmap.HasPixbuf() && bitmap.GetMask())
1660         bmpSource.SetMask(NULL);
1661
1662     cairo_save(m_cairo);
1663
1664     // Prepare to draw the image.
1665     cairo_translate(m_cairo, x, y);
1666
1667     // Scale the image
1668     wxDouble scaleX = (wxDouble) XLOG2DEVREL(bw) / (wxDouble) bw;
1669     wxDouble scaleY = (wxDouble) YLOG2DEVREL(bh) / (wxDouble) bh;
1670     cairo_scale(m_cairo, scaleX, scaleY);
1671
1672     gdk_cairo_set_source_pixbuf(m_cairo, bmpSource.GetPixbuf(), 0, 0);
1673     cairo_pattern_set_filter(cairo_get_source(m_cairo), CAIRO_FILTER_NEAREST);
1674     // Use the original size here since the context is scaled already.
1675     cairo_rectangle(m_cairo, 0, 0, bw, bh);
1676     // Fill the rectangle using the pattern.
1677     cairo_fill(m_cairo);
1678
1679     CalcBoundingBox(0,0);
1680     CalcBoundingBox(bw,bh);
1681
1682     cairo_restore(m_cairo);
1683 }
1684
1685 void wxGtkPrinterDCImpl::DoDrawText(const wxString& text, wxCoord x, wxCoord y )
1686 {
1687     DoDrawRotatedText( text, x, y, 0.0 );
1688 }
1689
1690 void wxGtkPrinterDCImpl::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
1691 {
1692     double xx = XLOG2DEV(x);
1693     double yy = YLOG2DEV(y);
1694
1695     angle = -angle;
1696
1697     bool underlined = m_font.Ok() && m_font.GetUnderlined();
1698
1699     const wxUTF8Buf data = text.utf8_str();
1700
1701     size_t datalen = strlen(data);
1702     pango_layout_set_text( m_layout, data, datalen);
1703
1704     if (underlined)
1705     {
1706         PangoAttrList *attrs = pango_attr_list_new();
1707         PangoAttribute *a = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
1708         a->start_index = 0;
1709         a->end_index = datalen;
1710         pango_attr_list_insert(attrs, a);
1711         pango_layout_set_attributes(m_layout, attrs);
1712         pango_attr_list_unref(attrs);
1713     }
1714
1715     if (m_textForegroundColour.Ok())
1716     {
1717         unsigned char red = m_textForegroundColour.Red();
1718         unsigned char blue = m_textForegroundColour.Blue();
1719         unsigned char green = m_textForegroundColour.Green();
1720         unsigned char alpha = m_textForegroundColour.Alpha();
1721
1722         if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue && alpha == m_currentAlpha))
1723         {
1724             double redPS = (double)(red) / 255.0;
1725             double bluePS = (double)(blue) / 255.0;
1726             double greenPS = (double)(green) / 255.0;
1727             double alphaPS = (double)(alpha) / 255.0;
1728
1729             cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1730
1731             m_currentRed = red;
1732             m_currentBlue = blue;
1733             m_currentGreen = green;
1734             m_currentAlpha = alpha;
1735         }
1736     }
1737
1738     // Draw layout.
1739     cairo_move_to (m_cairo, xx, yy);
1740
1741     cairo_save( m_cairo );
1742
1743     if (fabs(angle) > 0.00001)
1744         cairo_rotate( m_cairo, angle*DEG2RAD );
1745
1746     cairo_scale(m_cairo, m_scaleX, m_scaleY);
1747
1748     int w,h;
1749     pango_layout_get_pixel_size( m_layout, &w, &h );
1750
1751     if ( m_backgroundMode == wxBRUSHSTYLE_SOLID )
1752     {
1753         unsigned char red = m_textBackgroundColour.Red();
1754         unsigned char blue = m_textBackgroundColour.Blue();
1755         unsigned char green = m_textBackgroundColour.Green();
1756         unsigned char alpha = m_textBackgroundColour.Alpha();
1757
1758         double redPS = (double)(red) / 255.0;
1759         double bluePS = (double)(blue) / 255.0;
1760         double greenPS = (double)(green) / 255.0;
1761         double alphaPS = (double)(alpha) / 255.0;
1762
1763         cairo_save(m_cairo);
1764         cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1765         cairo_rectangle(m_cairo, 0, 0, w, h);   // still in cairo units
1766         cairo_fill(m_cairo);
1767         cairo_restore(m_cairo);
1768     }
1769
1770     pango_cairo_update_layout (m_cairo, m_layout);
1771     pango_cairo_show_layout (m_cairo, m_layout);
1772
1773     cairo_restore( m_cairo );
1774
1775     if (underlined)
1776     {
1777         // Undo underline attributes setting
1778         pango_layout_set_attributes(m_layout, NULL);
1779     }
1780
1781     // Back to device units:
1782     CalcBoundingBox (x, y);
1783     CalcBoundingBox (x + w, y + h);
1784 }
1785
1786 void wxGtkPrinterDCImpl::Clear()
1787 {
1788 // Clear does nothing for printing, but keep the code
1789 // for later reuse
1790 /*
1791     cairo_save(m_cairo);
1792     cairo_set_operator (m_cairo, CAIRO_OPERATOR_SOURCE);
1793     SetBrush(m_backgroundBrush);
1794     cairo_paint(m_cairo);
1795     cairo_restore(m_cairo);
1796 */
1797 }
1798
1799 void wxGtkPrinterDCImpl::SetFont( const wxFont& font )
1800 {
1801     m_font = font;
1802
1803     if (m_font.Ok())
1804     {
1805         if (m_fontdesc)
1806             pango_font_description_free( m_fontdesc );
1807
1808         m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description );
1809
1810         float size = pango_font_description_get_size( m_fontdesc );
1811         size = size * GetFontPointSizeAdjustment(72.0);
1812         pango_font_description_set_size( m_fontdesc, (gint)size );
1813
1814         pango_layout_set_font_description( m_layout, m_fontdesc );
1815     }
1816 }
1817
1818 void wxGtkPrinterDCImpl::SetPen( const wxPen& pen )
1819 {
1820     if (!pen.Ok()) return;
1821
1822     m_pen = pen;
1823
1824     double width;
1825
1826     if (m_pen.GetWidth() <= 0)
1827         width = 0.1;
1828     else
1829         width = (double) m_pen.GetWidth();
1830
1831     cairo_set_line_width( m_cairo, width * m_DEV2PS * m_scaleX );
1832     static const double dotted[] = {2.0, 5.0};
1833     static const double short_dashed[] = {4.0, 4.0};
1834     static const double long_dashed[] = {4.0, 8.0};
1835     static const double dotted_dashed[] = {6.0, 6.0, 2.0, 6.0};
1836
1837     switch (m_pen.GetStyle())
1838     {
1839         case wxPENSTYLE_DOT:        cairo_set_dash( m_cairo, dotted, 2, 0 ); break;
1840         case wxPENSTYLE_SHORT_DASH: cairo_set_dash( m_cairo, short_dashed, 2, 0 ); break;
1841         case wxPENSTYLE_LONG_DASH:  cairo_set_dash( m_cairo, long_dashed, 2, 0 ); break;
1842         case wxPENSTYLE_DOT_DASH:   cairo_set_dash( m_cairo, dotted_dashed, 4, 0 );  break;
1843         case wxPENSTYLE_USER_DASH:
1844         {
1845             wxDash *wx_dashes;
1846             int num = m_pen.GetDashes (&wx_dashes);
1847             gdouble *g_dashes = g_new( gdouble, num );
1848             int i;
1849             for (i = 0; i < num; ++i)
1850                 g_dashes[i] = (gdouble) wx_dashes[i];
1851             cairo_set_dash( m_cairo, g_dashes, num, 0);
1852             g_free( g_dashes );
1853         }
1854         break;
1855         case wxPENSTYLE_SOLID:
1856         case wxPENSTYLE_TRANSPARENT:
1857         default:              cairo_set_dash( m_cairo, NULL, 0, 0 );   break;
1858     }
1859
1860     switch (m_pen.GetCap())
1861     {
1862         case wxCAP_PROJECTING:  cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_SQUARE); break;
1863         case wxCAP_BUTT:        cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_BUTT); break;
1864         case wxCAP_ROUND:
1865         default:                cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_ROUND); break;
1866     }
1867
1868     switch (m_pen.GetJoin())
1869     {
1870         case wxJOIN_BEVEL:  cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_BEVEL); break;
1871         case wxJOIN_MITER:  cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_MITER); break;
1872         case wxJOIN_ROUND:
1873         default:            cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_ROUND); break;
1874     }
1875
1876     unsigned char red = m_pen.GetColour().Red();
1877     unsigned char blue = m_pen.GetColour().Blue();
1878     unsigned char green = m_pen.GetColour().Green();
1879     unsigned char alpha = m_pen.GetColour().Alpha();
1880
1881     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue && alpha == m_currentAlpha))
1882     {
1883         double redPS = (double)(red) / 255.0;
1884         double bluePS = (double)(blue) / 255.0;
1885         double greenPS = (double)(green) / 255.0;
1886         double alphaPS = (double)(alpha) / 255.0;
1887
1888         cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1889
1890         m_currentRed = red;
1891         m_currentBlue = blue;
1892         m_currentGreen = green;
1893         m_currentAlpha = alpha;
1894     }
1895 }
1896
1897 void wxGtkPrinterDCImpl::SetBrush( const wxBrush& brush )
1898 {
1899     if (!brush.Ok()) return;
1900
1901     m_brush = brush;
1902
1903     if (m_brush.GetStyle() == wxBRUSHSTYLE_TRANSPARENT)
1904     {
1905         cairo_set_source_rgba( m_cairo, 0, 0, 0, 0 );
1906         m_currentRed = 0;
1907         m_currentBlue = 0;
1908         m_currentGreen = 0;
1909         m_currentAlpha = 0;
1910         return;
1911     }
1912
1913     // Brush colour.
1914     unsigned char red = m_brush.GetColour().Red();
1915     unsigned char blue = m_brush.GetColour().Blue();
1916     unsigned char green = m_brush.GetColour().Green();
1917     unsigned char alpha = m_brush.GetColour().Alpha();
1918
1919     double redPS = (double)(red) / 255.0;
1920     double bluePS = (double)(blue) / 255.0;
1921     double greenPS = (double)(green) / 255.0;
1922     double alphaPS = (double)(alpha) / 255.0;
1923
1924     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue && alpha == m_currentAlpha))
1925     {
1926         cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1927
1928         m_currentRed = red;
1929         m_currentBlue = blue;
1930         m_currentGreen = green;
1931         m_currentAlpha = alpha;
1932     }
1933
1934     if (m_brush.IsHatch())
1935     {
1936         cairo_t * cr;
1937         cairo_surface_t *surface;
1938         surface = cairo_surface_create_similar(cairo_get_target(m_cairo),CAIRO_CONTENT_COLOR_ALPHA,10,10);
1939         cr = cairo_create(surface);
1940         cairo_set_line_cap(cr, CAIRO_LINE_CAP_SQUARE);
1941         cairo_set_line_width(cr, 1);
1942         cairo_set_line_join(cr,CAIRO_LINE_JOIN_MITER);
1943
1944         switch (m_brush.GetStyle())
1945         {
1946             case wxBRUSHSTYLE_CROSS_HATCH:
1947                 cairo_move_to(cr, 5, 0);
1948                 cairo_line_to(cr, 5, 10);
1949                 cairo_move_to(cr, 0, 5);
1950                 cairo_line_to(cr, 10, 5);
1951                 break;
1952             case wxBRUSHSTYLE_BDIAGONAL_HATCH:
1953                 cairo_move_to(cr, 0, 10);
1954                 cairo_line_to(cr, 10, 0);
1955                 break;
1956             case wxBRUSHSTYLE_FDIAGONAL_HATCH:
1957                 cairo_move_to(cr, 0, 0);
1958                 cairo_line_to(cr, 10, 10);
1959                 break;
1960             case wxBRUSHSTYLE_CROSSDIAG_HATCH:
1961                 cairo_move_to(cr, 0, 0);
1962                 cairo_line_to(cr, 10, 10);
1963                 cairo_move_to(cr, 10, 0);
1964                 cairo_line_to(cr, 0, 10);
1965                 break;
1966             case wxBRUSHSTYLE_HORIZONTAL_HATCH:
1967                 cairo_move_to(cr, 0, 5);
1968                 cairo_line_to(cr, 10, 5);
1969                 break;
1970             case wxBRUSHSTYLE_VERTICAL_HATCH:
1971                 cairo_move_to(cr, 5, 0);
1972                 cairo_line_to(cr, 5, 10);
1973                 break;
1974             default:
1975                 wxFAIL_MSG(_("Couldn't get hatch style from wxBrush."));
1976         }
1977
1978         cairo_set_source_rgba(cr, redPS, greenPS, bluePS, alphaPS);
1979         cairo_stroke (cr);
1980
1981         cairo_destroy(cr);
1982         cairo_pattern_t * pattern = cairo_pattern_create_for_surface (surface);
1983         cairo_surface_destroy(surface);
1984         cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT);
1985         cairo_set_source(m_cairo, pattern);
1986         cairo_pattern_destroy(pattern);
1987     }
1988 }
1989
1990 void wxGtkPrinterDCImpl::SetLogicalFunction( int function )
1991 {
1992     if (function == wxCLEAR)
1993         cairo_set_operator (m_cairo, CAIRO_OPERATOR_CLEAR);
1994     else if (function == wxOR)
1995         cairo_set_operator (m_cairo, CAIRO_OPERATOR_OUT);
1996     else if (function == wxNO_OP)
1997         cairo_set_operator (m_cairo, CAIRO_OPERATOR_DEST);
1998     else if (function == wxAND)
1999         cairo_set_operator (m_cairo, CAIRO_OPERATOR_ADD);
2000     else if (function == wxSET)
2001         cairo_set_operator (m_cairo, CAIRO_OPERATOR_SATURATE);
2002     else if (function == wxXOR)
2003         cairo_set_operator (m_cairo, CAIRO_OPERATOR_XOR);
2004     else // wxCOPY or anything else.
2005         cairo_set_operator (m_cairo, CAIRO_OPERATOR_SOURCE);
2006 }
2007
2008 void wxGtkPrinterDCImpl::SetBackground( const wxBrush& brush )
2009 {
2010     m_backgroundBrush = brush;
2011     cairo_save(m_cairo);
2012     cairo_set_operator (m_cairo, CAIRO_OPERATOR_DEST_OVER);
2013
2014     SetBrush(m_backgroundBrush);
2015     cairo_paint(m_cairo);
2016     cairo_restore(m_cairo);
2017 }
2018
2019 void wxGtkPrinterDCImpl::SetBackgroundMode(int mode)
2020 {
2021     if (mode == wxBRUSHSTYLE_SOLID)
2022         m_backgroundMode = wxBRUSHSTYLE_SOLID;
2023     else
2024         m_backgroundMode = wxBRUSHSTYLE_TRANSPARENT;
2025 }
2026
2027 void wxGtkPrinterDCImpl::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
2028 {
2029     cairo_rectangle ( m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(width), YLOG2DEVREL(height));
2030     cairo_clip(m_cairo);
2031 }
2032
2033 void wxGtkPrinterDCImpl::DestroyClippingRegion()
2034 {
2035     cairo_reset_clip(m_cairo);
2036 }
2037
2038 bool wxGtkPrinterDCImpl::StartDoc(const wxString& WXUNUSED(message))
2039 {
2040     return true;
2041 }
2042
2043 void wxGtkPrinterDCImpl::EndDoc()
2044 {
2045     return;
2046 }
2047
2048 void wxGtkPrinterDCImpl::StartPage()
2049 {
2050     return;
2051 }
2052
2053 void wxGtkPrinterDCImpl::EndPage()
2054 {
2055     return;
2056 }
2057
2058 wxCoord wxGtkPrinterDCImpl::GetCharHeight() const
2059 {
2060     pango_layout_set_text( m_layout, "H", 1 );
2061
2062     int w,h;
2063     pango_layout_get_pixel_size( m_layout, &w, &h );
2064
2065     return wxRound( h * m_PS2DEV );
2066 }
2067
2068 wxCoord wxGtkPrinterDCImpl::GetCharWidth() const
2069 {
2070     pango_layout_set_text( m_layout, "H", 1 );
2071
2072     int w,h;
2073     pango_layout_get_pixel_size( m_layout, &w, &h );
2074
2075     return wxRound( w * m_PS2DEV );
2076 }
2077
2078 void wxGtkPrinterDCImpl::DoGetTextExtent(const wxString& string, wxCoord *width, wxCoord *height,
2079                      wxCoord *descent,
2080                      wxCoord *externalLeading,
2081                      const wxFont *theFont ) const
2082 {
2083     if ( width )
2084         *width = 0;
2085     if ( height )
2086         *height = 0;
2087     if ( descent )
2088         *descent = 0;
2089     if ( externalLeading )
2090         *externalLeading = 0;
2091
2092     if (string.empty())
2093     {
2094         return;
2095     }
2096
2097     cairo_save( m_cairo );
2098     cairo_scale(m_cairo, m_scaleX, m_scaleY);
2099
2100     // Set layout's text
2101     const wxUTF8Buf dataUTF8 = string.utf8_str();
2102
2103     gint oldSize=0;
2104     if ( theFont )
2105     {
2106         // scale the font and apply it
2107         PangoFontDescription *desc = theFont->GetNativeFontInfo()->description;
2108         float size = pango_font_description_get_size(desc);
2109         size = size * GetFontPointSizeAdjustment(72.0);
2110         pango_font_description_set_size(desc, (gint)size);
2111
2112         pango_layout_set_font_description(m_layout, desc);
2113     }
2114
2115     pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
2116
2117     int h;
2118     pango_layout_get_pixel_size( m_layout, width, &h );
2119     if ( height )
2120         *height = h;
2121
2122     if (descent)
2123     {
2124         PangoLayoutIter *iter = pango_layout_get_iter(m_layout);
2125         int baseline = pango_layout_iter_get_baseline(iter);
2126         pango_layout_iter_free(iter);
2127         *descent = h - PANGO_PIXELS(baseline);
2128     }
2129
2130     if ( theFont )
2131     {
2132         // restore font and reset font's size back
2133         pango_layout_set_font_description(m_layout, m_fontdesc);
2134
2135         PangoFontDescription *desc = theFont->GetNativeFontInfo()->description;
2136         pango_font_description_set_size(desc, oldSize);
2137     }
2138
2139     cairo_restore( m_cairo );
2140 }
2141
2142 void wxGtkPrinterDCImpl::DoGetSize(int* width, int* height) const
2143 {
2144     GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc );
2145
2146     if (width)
2147         *width = wxRound( (double)gtk_page_setup_get_paper_width( setup, GTK_UNIT_POINTS ) * (double)m_resolution / 72.0 );
2148     if (height)
2149         *height = wxRound( (double)gtk_page_setup_get_paper_height( setup, GTK_UNIT_POINTS ) * (double)m_resolution / 72.0 );
2150 }
2151
2152 void wxGtkPrinterDCImpl::DoGetSizeMM(int *width, int *height) const
2153 {
2154     GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc );
2155
2156     if (width)
2157         *width = wxRound( gtk_page_setup_get_paper_width( setup, GTK_UNIT_MM ) );
2158     if (height)
2159         *height = wxRound( gtk_page_setup_get_paper_height( setup, GTK_UNIT_MM ) );
2160 }
2161
2162 wxSize wxGtkPrinterDCImpl::GetPPI() const
2163 {
2164     return wxSize( (int)m_resolution, (int)m_resolution );
2165 }
2166
2167 void wxGtkPrinterDCImpl::SetPrintData(const wxPrintData& data)
2168 {
2169     m_printData = data;
2170 }
2171
2172 // overriden for wxPrinterDC Impl
2173
2174 wxRect wxGtkPrinterDCImpl::GetPaperRect() const
2175 {
2176     // Does GtkPrint support printer margins?
2177     int w = 0;
2178     int h = 0;
2179     DoGetSize( &w, &h );
2180     return wxRect( 0,0,w,h );
2181 }
2182
2183 int wxGtkPrinterDCImpl::GetResolution() const
2184 {
2185     return m_resolution;
2186 }
2187
2188 // ----------------------------------------------------------------------------
2189 // Print preview
2190 // ----------------------------------------------------------------------------
2191
2192 IMPLEMENT_CLASS(wxGtkPrintPreview, wxPrintPreviewBase)
2193
2194 void wxGtkPrintPreview::Init(wxPrintout * WXUNUSED(printout),
2195                              wxPrintout * WXUNUSED(printoutForPrinting),
2196                              wxPrintData *data)
2197 {
2198     // convert wxPrintQuality to resolution (input pointer can be NULL)
2199     wxPrintQuality quality = data ? data->GetQuality() : wxPRINT_QUALITY_MEDIUM;
2200     switch ( quality )
2201     {
2202         case wxPRINT_QUALITY_HIGH:
2203             m_resolution = 1200;
2204             break;
2205
2206         case wxPRINT_QUALITY_LOW:
2207             m_resolution = 300;
2208             break;
2209
2210         case wxPRINT_QUALITY_DRAFT:
2211             m_resolution = 150;
2212             break;
2213
2214         default:
2215             if ( quality > 0 )
2216             {
2217                 // positive values directly indicate print resolution
2218                 m_resolution = quality;
2219                 break;
2220             }
2221
2222             wxFAIL_MSG( "unknown print quality" );
2223             // fall through
2224
2225         case wxPRINT_QUALITY_MEDIUM:
2226             m_resolution = 600;
2227             break;
2228
2229     }
2230
2231     DetermineScaling();
2232 }
2233
2234 wxGtkPrintPreview::wxGtkPrintPreview(wxPrintout *printout,
2235                                      wxPrintout *printoutForPrinting,
2236                                      wxPrintDialogData *data)
2237                  : wxPrintPreviewBase(printout, printoutForPrinting, data)
2238 {
2239     Init(printout, printoutForPrinting, data ? &data->GetPrintData() : NULL);
2240 }
2241
2242 wxGtkPrintPreview::wxGtkPrintPreview(wxPrintout *printout,
2243                                      wxPrintout *printoutForPrinting,
2244                                      wxPrintData *data)
2245                  : wxPrintPreviewBase(printout, printoutForPrinting, data)
2246 {
2247     Init(printout, printoutForPrinting, data);
2248 }
2249
2250 wxGtkPrintPreview::~wxGtkPrintPreview()
2251 {
2252 }
2253
2254 bool wxGtkPrintPreview::Print(bool interactive)
2255 {
2256     if (!m_printPrintout)
2257         return false;
2258
2259     wxPrinter printer(& m_printDialogData);
2260     return printer.Print(m_previewFrame, m_printPrintout, interactive);
2261 }
2262
2263 void wxGtkPrintPreview::DetermineScaling()
2264 {
2265     wxPaperSize paperType = m_printDialogData.GetPrintData().GetPaperId();
2266
2267     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType);
2268     if (!paper)
2269         paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
2270
2271     if (paper)
2272     {
2273         m_previewPrintout->SetPPIScreen(wxGetDisplayPPI());
2274         m_previewPrintout->SetPPIPrinter( m_resolution, m_resolution );
2275
2276         // Get width and height in points (1/72th of an inch)
2277         wxSize sizeDevUnits(paper->GetSizeDeviceUnits());
2278         sizeDevUnits.x = wxRound((double)sizeDevUnits.x * (double)m_resolution / 72.0);
2279         sizeDevUnits.y = wxRound((double)sizeDevUnits.y * (double)m_resolution / 72.0);
2280
2281         wxSize sizeTenthsMM(paper->GetSize());
2282         wxSize sizeMM(sizeTenthsMM.x / 10, sizeTenthsMM.y / 10);
2283
2284         // If in landscape mode, we need to swap the width and height.
2285         if ( m_printDialogData.GetPrintData().GetOrientation() == wxLANDSCAPE )
2286         {
2287             m_pageWidth = sizeDevUnits.y;
2288             m_pageHeight = sizeDevUnits.x;
2289             m_previewPrintout->SetPageSizeMM(sizeMM.y, sizeMM.x);
2290         }
2291         else
2292         {
2293             m_pageWidth = sizeDevUnits.x;
2294             m_pageHeight = sizeDevUnits.y;
2295             m_previewPrintout->SetPageSizeMM(sizeMM.x, sizeMM.y);
2296         }
2297         m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
2298         m_previewPrintout->SetPaperRectPixels(wxRect(0, 0, m_pageWidth, m_pageHeight));
2299
2300         // At 100%, the page should look about page-size on the screen.
2301         m_previewScaleX = 0.8 * 72.0 / (double)m_resolution;
2302         m_previewScaleY = m_previewScaleX;
2303     }
2304 }
2305
2306 #endif
2307      // wxUSE_GTKPRINT