src/gtk/print.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/print.cpp
   3 // Author:      Anthony Bretaudeau
   4 // Purpose:     GTK printing support
   5 // Created:     2007-08-25
   6 // RCS-ID:      $Id$
   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 GTK_CHECK_VERSION(2,14,0)
  41 #include <gtk/gtkunixprint.h>
  42 #else
  43 #include <gtk/gtkpagesetupunixdialog.h>
  44 #endif
  45
  46
  47 #if wxUSE_GRAPHICS_CONTEXT
  48 #include "wx/graphics.h"
  49 #endif
  50
  51 #include "wx/link.h"
  52 wxFORCE_LINK_THIS_MODULE(gtk_print)
  53
  54 #if wxUSE_LIBGNOMEPRINT
  55 #include "wx/gtk/gnome/gprint.h"
  56 #endif
  57
  58 #include "wx/gtk/private/object.h"
  59
  60 // Useful to convert angles from/to Rad to/from Deg.
  61 static const double RAD2DEG  = 180.0 / M_PI;
  62 static const double DEG2RAD  = M_PI / 180.0;
  63
  64 //----------------------------------------------------------------------------
  65 // wxGtkPrintModule
  66 // Initialized when starting the app : if it successfully load the gtk-print framework,
  67 // it uses it. If not, it falls back to gnome print (see /gtk/gnome/gprint.cpp) then
  68 // to postscript if gnomeprint is not available.
  69 //----------------------------------------------------------------------------
  70
  71 class wxGtkPrintModule: public wxModule
  72 {
  73 public:
  74     wxGtkPrintModule()
  75     {
  76 #if wxUSE_LIBGNOMEPRINT
  77         // This module must be initialized AFTER gnomeprint's one
  78         AddDependency(CLASSINFO(wxGnomePrintModule));
  79 #endif
  80     }
  81     bool OnInit();
  82     void OnExit() {}
  83
  84 private:
  85     DECLARE_DYNAMIC_CLASS(wxGtkPrintModule)
  86 };
  87
  88 bool wxGtkPrintModule::OnInit()
  89 {
  90     if (gtk_check_version(2,10,0) == NULL)
  91         wxPrintFactory::SetPrintFactory( new wxGtkPrintFactory );
  92     return true;
  93 }
  94
  95 IMPLEMENT_DYNAMIC_CLASS(wxGtkPrintModule, wxModule)
  96
  97 //----------------------------------------------------------------------------
  98 // wxGtkPrintFactory
  99 //----------------------------------------------------------------------------
 100
 101 wxPrinterBase* wxGtkPrintFactory::CreatePrinter( wxPrintDialogData *data )
 102 {
 103     return new wxGtkPrinter( data );
 104 }
 105
 106 wxPrintPreviewBase *wxGtkPrintFactory::CreatePrintPreview( wxPrintout *preview,
 107                                                     wxPrintout *printout,
 108                                                     wxPrintDialogData *data )
 109 {
 110     return new wxGtkPrintPreview( preview, printout, data );
 111 }
 112
 113 wxPrintPreviewBase *wxGtkPrintFactory::CreatePrintPreview( wxPrintout *preview,
 114                                                     wxPrintout *printout,
 115                                                     wxPrintData *data )
 116 {
 117     return new wxGtkPrintPreview( preview, printout, data );
 118 }
 119
 120 wxPrintDialogBase *wxGtkPrintFactory::CreatePrintDialog( wxWindow *parent,
 121                                                   wxPrintDialogData *data )
 122 {
 123     return new wxGtkPrintDialog( parent, data );
 124 }
 125
 126 wxPrintDialogBase *wxGtkPrintFactory::CreatePrintDialog( wxWindow *parent,
 127                                                   wxPrintData *data )
 128 {
 129     return new wxGtkPrintDialog( parent, data );
 130 }
 131
 132 wxPageSetupDialogBase *wxGtkPrintFactory::CreatePageSetupDialog( wxWindow *parent,
 133                                                           wxPageSetupDialogData * data )
 134 {
 135     return new wxGtkPageSetupDialog( parent, data );
 136 }
 137
 138 bool wxGtkPrintFactory::HasPrintSetupDialog()
 139 {
 140     return false;
 141 }
 142
 143 wxDialog *
 144 wxGtkPrintFactory::CreatePrintSetupDialog(wxWindow * WXUNUSED(parent),
 145                                           wxPrintData * WXUNUSED(data))
 146 {
 147     return NULL;
 148 }
 149
 150 wxDCImpl* wxGtkPrintFactory::CreatePrinterDCImpl( wxPrinterDC *owner, const wxPrintData& data )
 151 {
 152     return new wxGtkPrinterDCImpl( owner, data );
 153 }
 154
 155 bool wxGtkPrintFactory::HasOwnPrintToFile()
 156 {
 157     return true;
 158 }
 159
 160 bool wxGtkPrintFactory::HasPrinterLine()
 161 {
 162     return true;
 163 }
 164
 165 wxString wxGtkPrintFactory::CreatePrinterLine()
 166 {
 167     // redundant now
 168     return wxEmptyString;
 169 }
 170
 171 bool wxGtkPrintFactory::HasStatusLine()
 172 {
 173     // redundant now
 174     return true;
 175 }
 176
 177 wxString wxGtkPrintFactory::CreateStatusLine()
 178 {
 179     // redundant now
 180     return wxEmptyString;
 181 }
 182
 183 wxPrintNativeDataBase *wxGtkPrintFactory::CreatePrintNativeData()
 184 {
 185     return new wxGtkPrintNativeData;
 186 }
 187
 188 //----------------------------------------------------------------------------
 189 // Callback functions for Gtk Printings.
 190 //----------------------------------------------------------------------------
 191
 192 // We use it to pass useful objects to GTK printing callback functions.
 193 struct wxPrinterToGtkData
 194 {
 195    wxGtkPrinter * printer;
 196    wxPrintout * printout;
 197 };
 198
 199 extern "C"
 200 {
 201     static void gtk_begin_print_callback (GtkPrintOperation *operation, GtkPrintContext *context, gpointer user_data)
 202     {
 203         wxPrinterToGtkData *data = (wxPrinterToGtkData *) user_data;
 204
 205         data->printer->BeginPrint(data->printout, operation, context);
 206     }
 207
 208     static void gtk_draw_page_print_callback (GtkPrintOperation *operation, GtkPrintContext *context, gint page_nr, gpointer user_data)
 209     {
 210         wxPrinterToGtkData *data = (wxPrinterToGtkData *) user_data;
 211
 212         data->printer->DrawPage(data->printout, operation, context, page_nr);
 213     }
 214
 215     static void gtk_end_print_callback(GtkPrintOperation * WXUNUSED(operation),
 216                                        GtkPrintContext * WXUNUSED(context),
 217                                        gpointer user_data)
 218     {
 219         wxPrintout *printout = (wxPrintout *) user_data;
 220
 221         printout->OnEndPrinting();
 222     }
 223 }
 224
 225 //----------------------------------------------------------------------------
 226 // wxGtkPrintNativeData
 227 //----------------------------------------------------------------------------
 228
 229 IMPLEMENT_CLASS(wxGtkPrintNativeData, wxPrintNativeDataBase)
 230
 231 wxGtkPrintNativeData::wxGtkPrintNativeData()
 232 {
 233     m_config = gtk_print_settings_new();
 234     m_job = gtk_print_operation_new();
 235     m_context = NULL;
 236 }
 237
 238 wxGtkPrintNativeData::~wxGtkPrintNativeData()
 239 {
 240     g_object_unref(m_job);
 241     g_object_unref(m_config);
 242 }
 243
 244 // Convert datas stored in m_config to a wxPrintData.
 245 // Called by wxPrintData::ConvertFromNative().
 246 bool wxGtkPrintNativeData::TransferTo( wxPrintData &data )
 247 {
 248     if(!m_config)
 249         return false;
 250
 251     int resolution = gtk_print_settings_get_resolution(m_config);
 252     if ( resolution > 0 )
 253     {
 254         // if resolution is explicitly set, use it
 255         data.SetQuality(resolution);
 256     }
 257     else // use more vague "quality"
 258     {
 259         GtkPrintQuality quality = gtk_print_settings_get_quality(m_config);
 260         if (quality == GTK_PRINT_QUALITY_HIGH)
 261             data.SetQuality(wxPRINT_QUALITY_HIGH);
 262         else if (quality == GTK_PRINT_QUALITY_LOW)
 263             data.SetQuality(wxPRINT_QUALITY_LOW);
 264         else if (quality == GTK_PRINT_QUALITY_DRAFT)
 265             data.SetQuality(wxPRINT_QUALITY_DRAFT);
 266         else
 267             data.SetQuality(wxPRINT_QUALITY_MEDIUM);
 268     }
 269
 270     data.SetNoCopies(gtk_print_settings_get_n_copies(m_config));
 271
 272     data.SetColour(gtk_print_settings_get_use_color(m_config));
 273
 274     switch (gtk_print_settings_get_duplex(m_config))
 275     {
 276         case GTK_PRINT_DUPLEX_SIMPLEX:      data.SetDuplex (wxDUPLEX_SIMPLEX);
 277                                             break;
 278
 279         case GTK_PRINT_DUPLEX_HORIZONTAL:   data.SetDuplex (wxDUPLEX_HORIZONTAL);
 280                                             break;
 281
 282         default:
 283         case GTK_PRINT_DUPLEX_VERTICAL:      data.SetDuplex (wxDUPLEX_VERTICAL);
 284                                             break;
 285     }
 286
 287     GtkPageOrientation orientation = gtk_print_settings_get_orientation (m_config);
 288     if (orientation == GTK_PAGE_ORIENTATION_PORTRAIT)
 289     {
 290         data.SetOrientation(wxPORTRAIT);
 291         data.SetOrientationReversed(false);
 292     }
 293     else if (orientation == GTK_PAGE_ORIENTATION_LANDSCAPE)
 294     {
 295         data.SetOrientation(wxLANDSCAPE);
 296         data.SetOrientationReversed(false);
 297     }
 298     else if (orientation == GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT)
 299     {
 300         data.SetOrientation(wxPORTRAIT);
 301         data.SetOrientationReversed(true);
 302     }
 303     else if (orientation == GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE)
 304     {
 305         data.SetOrientation(wxLANDSCAPE);
 306         data.SetOrientationReversed(true);
 307     }
 308
 309     data.SetCollate(gtk_print_settings_get_collate (m_config));
 310
 311     // Paper formats : these are the most common paper formats.
 312     GtkPaperSize *paper_size = gtk_print_settings_get_paper_size (m_config);
 313     if (!paper_size)
 314         data.SetPaperId(wxPAPER_NONE);
 315     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_A3)))
 316         data.SetPaperId(wxPAPER_A3);
 317     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_A4)))
 318         data.SetPaperId(wxPAPER_A4);
 319     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_A5)))
 320         data.SetPaperId(wxPAPER_A5);
 321     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_B5)))
 322         data.SetPaperId(wxPAPER_B5);
 323     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_LETTER)))
 324         data.SetPaperId(wxPAPER_LETTER);
 325     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_LEGAL)))
 326         data.SetPaperId(wxPAPER_LEGAL);
 327     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_EXECUTIVE)))
 328         data.SetPaperId(wxPAPER_EXECUTIVE);
 329     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"na_number-10")))
 330         data.SetPaperId(wxPAPER_ENV_10);
 331     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c5")))
 332         data.SetPaperId(wxPAPER_ENV_C5);
 333     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c6")))
 334         data.SetPaperId(wxPAPER_ENV_C6);
 335     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"jis-b5")))
 336         data.SetPaperId(wxPAPER_B5_TRANSVERSE);
 337     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b5")))
 338         data.SetPaperId(wxPAPER_ENV_B5);
 339     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"na_monarch")))
 340         data.SetPaperId(wxPAPER_ENV_MONARCH);
 341     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-c")))
 342         data.SetPaperId( wxPAPER_CSHEET);
 343     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-d")))
 344         data.SetPaperId( wxPAPER_DSHEET);
 345     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-e")))
 346         data.SetPaperId( wxPAPER_ESHEET);
 347     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"letter")))
 348         data.SetPaperId( wxPAPER_LETTERSMALL);
 349     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-b")))
 350         data.SetPaperId( wxPAPER_TABLOID);
 351     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"ledger")))
 352         data.SetPaperId( wxPAPER_LEDGER);
 353     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"statement")))
 354         data.SetPaperId( wxPAPER_STATEMENT);
 355     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( GTK_PAPER_NAME_A4 )))
 356         data.SetPaperId( wxPAPER_A4SMALL);
 357     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b4")))
 358         data.SetPaperId( wxPAPER_B4);
 359     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"folio")))
 360         data.SetPaperId( wxPAPER_FOLIO);
 361     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"quarto")))
 362         data.SetPaperId( wxPAPER_QUARTO);
 363     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"10x14")))
 364         data.SetPaperId( wxPAPER_10X14);
 365     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"ledger")))
 366         data.SetPaperId( wxPAPER_11X17);
 367     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"letter")))
 368         data.SetPaperId( wxPAPER_NOTE);
 369     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"na-number-9-envelope")))
 370         data.SetPaperId( wxPAPER_ENV_9);
 371     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"number-11")))
 372         data.SetPaperId( wxPAPER_ENV_11);
 373     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"number-12")))
 374         data.SetPaperId( wxPAPER_ENV_12);
 375     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"number-14")))
 376         data.SetPaperId( wxPAPER_ENV_14);
 377     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-designated")))
 378         data.SetPaperId( wxPAPER_ENV_DL);
 379     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c3")))
 380         data.SetPaperId( wxPAPER_ENV_C3);
 381     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c4")))
 382         data.SetPaperId( wxPAPER_ENV_C4);
 383     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"c6/c5")))
 384         data.SetPaperId( wxPAPER_ENV_C65);
 385     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b4")))
 386         data.SetPaperId( wxPAPER_ENV_B4);
 387     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b6")))
 388             data.SetPaperId( wxPAPER_ENV_B6);
 389     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"Italian")))
 390         data.SetPaperId( wxPAPER_ENV_ITALY);
 391     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"personal")))
 392         data.SetPaperId( wxPAPER_ENV_PERSONAL);
 393     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"fanfold-us")))
 394         data.SetPaperId( wxPAPER_FANFOLD_US);
 395     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"fanfold-European")))
 396         data.SetPaperId( wxPAPER_FANFOLD_STD_GERMAN);
 397     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"foolscap")))
 398         data.SetPaperId( wxPAPER_FANFOLD_LGL_GERMAN);
 399     else
 400         data.SetPaperId(wxPAPER_NONE);
 401
 402     data.SetPrinterName(gtk_print_settings_get_printer(m_config));
 403
 404     return true;
 405 }
 406
 407 // Put datas given by the wxPrintData into m_config.
 408 // Called by wxPrintData::ConvertToNative().
 409 bool wxGtkPrintNativeData::TransferFrom( const wxPrintData &data )
 410 {
 411     if(!m_config)
 412         return false;
 413
 414     wxPrintQuality quality = data.GetQuality();
 415     if (quality == wxPRINT_QUALITY_HIGH)
 416         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_HIGH);
 417     else if (quality == wxPRINT_QUALITY_MEDIUM)
 418         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_NORMAL);
 419     else if (quality == wxPRINT_QUALITY_LOW)
 420         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_LOW);
 421     else if (quality == wxPRINT_QUALITY_DRAFT)
 422         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_DRAFT);
 423     else if (quality > 1)
 424         gtk_print_settings_set_resolution (m_config, quality);
 425     else
 426         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_NORMAL);
 427
 428     gtk_print_settings_set_n_copies(m_config, data.GetNoCopies());
 429
 430     gtk_print_settings_set_use_color(m_config, data.GetColour());
 431
 432     switch (data.GetDuplex())
 433     {
 434         case wxDUPLEX_SIMPLEX:      gtk_print_settings_set_duplex (m_config, GTK_PRINT_DUPLEX_SIMPLEX);
 435                                 break;
 436
 437         case wxDUPLEX_HORIZONTAL:   gtk_print_settings_set_duplex (m_config, GTK_PRINT_DUPLEX_HORIZONTAL);
 438                                 break;
 439
 440         default:
 441         case wxDUPLEX_VERTICAL:      gtk_print_settings_set_duplex (m_config, GTK_PRINT_DUPLEX_VERTICAL);
 442                                 break;
 443     }
 444
 445     if (!data.IsOrientationReversed())
 446     {
 447         if (data.GetOrientation() == wxLANDSCAPE)
 448             gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_LANDSCAPE);
 449         else
 450             gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_PORTRAIT);
 451     }
 452     else {
 453         if (data.GetOrientation() == wxLANDSCAPE)
 454             gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE);
 455         else
 456             gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT);
 457     }
 458
 459     gtk_print_settings_set_collate (m_config, data.GetCollate());
 460
 461     // Paper formats: these are the most common paper formats.
 462     switch (data.GetPaperId())
 463     {
 464         case wxPAPER_A3:        gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A3));
 465                                 break;
 466         case wxPAPER_A4:        gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A4));
 467                                 break;
 468         case wxPAPER_A5:        gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A5));
 469                                 break;
 470         case wxPAPER_B5_TRANSVERSE:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "jis-b5"));
 471                                 break;
 472         case wxPAPER_B5:        gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_B5));
 473                                 break;
 474         case wxPAPER_LETTER:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_LETTER));
 475                                 break;
 476         case wxPAPER_LEGAL:     gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_LEGAL));
 477                                 break;
 478         case wxPAPER_EXECUTIVE: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_EXECUTIVE));
 479                                 break;
 480         case wxPAPER_ENV_10:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "na_number-10"));
 481                                 break;
 482         case wxPAPER_ENV_C5:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c5"));
 483                                 break;
 484         case wxPAPER_ENV_C6:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c6"));
 485                                 break;
 486         case wxPAPER_ENV_B5:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c5b5"));
 487                                 break;
 488         case wxPAPER_ENV_MONARCH:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "na_monarch"));
 489                                 break;
 490         case wxPAPER_CSHEET:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-c"));
 491                                 break;
 492         case wxPAPER_DSHEET:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-d"));
 493                                 break;
 494         case wxPAPER_ESHEET:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-e"));
 495                                 break;
 496         case wxPAPER_LETTERSMALL:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "letter"));
 497                                 break;
 498         case wxPAPER_TABLOID:   gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-b"));
 499                                 break;
 500         case wxPAPER_LEDGER:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "ledger"));
 501                                 break;
 502         case wxPAPER_STATEMENT:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "statement"));
 503                                 break;
 504         case wxPAPER_A4SMALL:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A4));
 505                                 break;
 506         case wxPAPER_B4:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-b4"));
 507                                 break;
 508         case wxPAPER_FOLIO:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "folio"));
 509                                 break;
 510         case wxPAPER_QUARTO:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "quarto"));
 511                                 break;
 512         case wxPAPER_10X14:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "10x14"));
 513                                 break;
 514         case wxPAPER_11X17:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "ledger"));
 515                                 break;
 516         case wxPAPER_NOTE:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "letter"));
 517                                 break;
 518         case wxPAPER_ENV_9:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "na-number-9-envelope"));
 519                                 break;
 520         case wxPAPER_ENV_11:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "number-11"));
 521                                 break;
 522         case wxPAPER_ENV_12:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "number-12"));
 523                                 break;
 524         case wxPAPER_ENV_14:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "number-14"));
 525                                 break;
 526         case wxPAPER_ENV_DL:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-designated"));
 527                                 break;
 528         case wxPAPER_ENV_C3:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c3"));
 529                                 break;
 530         case wxPAPER_ENV_C4:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c4"));
 531                                 break;
 532         case wxPAPER_ENV_C65:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "c6/c5"));
 533                                 break;
 534         case wxPAPER_ENV_B4:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-b4"));
 535                                 break;
 536         case wxPAPER_ENV_B6:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-b6"));
 537                                 break;
 538         case wxPAPER_ENV_ITALY:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "Italian"));
 539                                 break;
 540         case wxPAPER_ENV_PERSONAL:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "personal"));
 541                                 break;
 542         case wxPAPER_FANFOLD_US:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "fanfold-us"));
 543                                 break;
 544         case wxPAPER_FANFOLD_STD_GERMAN:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "fanfold-European"));
 545                                 break;
 546         case wxPAPER_FANFOLD_LGL_GERMAN:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "foolscap"));
 547                                 break;
 548         case wxPAPER_NONE:
 549         default:                break;
 550     }
 551
 552     gtk_print_settings_set_printer(m_config, data.GetPrinterName().utf8_str());
 553
 554     return true;
 555 }
 556
 557 void wxGtkPrintNativeData::SetPrintConfig( GtkPrintSettings * config )
 558 {
 559     if (config)
 560         m_config = gtk_print_settings_copy(config);
 561 }
 562
 563 // Extract page setup from settings.
 564 GtkPageSetup* wxGtkPrintNativeData::GetPageSetupFromSettings(GtkPrintSettings* settings)
 565 {
 566     GtkPageSetup* page_setup = gtk_page_setup_new();
 567     gtk_page_setup_set_orientation (page_setup, gtk_print_settings_get_orientation (settings));
 568
 569     GtkPaperSize *paper_size = gtk_print_settings_get_paper_size (settings);
 570     if (paper_size != NULL)
 571         gtk_page_setup_set_paper_size_and_default_margins (page_setup, paper_size);
 572
 573     return page_setup;
 574 }
 575
 576 // Insert page setup into a given GtkPrintSettings.
 577 void wxGtkPrintNativeData::SetPageSetupToSettings(GtkPrintSettings* settings, GtkPageSetup* page_setup)
 578 {
 579     gtk_print_settings_set_orientation ( settings, gtk_page_setup_get_orientation (page_setup));
 580     gtk_print_settings_set_paper_size ( settings, gtk_page_setup_get_paper_size (page_setup));
 581 }
 582
 583 //----------------------------------------------------------------------------
 584 // wxGtkPrintDialog
 585 //----------------------------------------------------------------------------
 586
 587 IMPLEMENT_CLASS(wxGtkPrintDialog, wxPrintDialogBase)
 588
 589 wxGtkPrintDialog::wxGtkPrintDialog( wxWindow *parent, wxPrintDialogData *data )
 590                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 591                                wxPoint(0, 0), wxSize(600, 600),
 592                                wxDEFAULT_DIALOG_STYLE |
 593                                wxTAB_TRAVERSAL)
 594 {
 595     if (data)
 596         m_printDialogData = *data;
 597
 598     m_parent = parent;
 599     SetShowDialog(true);
 600 }
 601
 602 wxGtkPrintDialog::wxGtkPrintDialog( wxWindow *parent, wxPrintData *data )
 603                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 604                                wxPoint(0, 0), wxSize(600, 600),
 605                                wxDEFAULT_DIALOG_STYLE |
 606                                wxTAB_TRAVERSAL)
 607 {
 608     if (data)
 609         m_printDialogData = *data;
 610
 611     m_parent = parent;
 612     SetShowDialog(true);
 613 }
 614
 615
 616 wxGtkPrintDialog::~wxGtkPrintDialog()
 617 {
 618 }
 619
 620 // This is called even if we actually don't want the dialog to appear.
 621 int wxGtkPrintDialog::ShowModal()
 622 {
 623     GtkPrintOperationResult response;
 624
 625     // We need to restore the settings given in the constructor.
 626     wxPrintData data = m_printDialogData.GetPrintData();
 627     wxGtkPrintNativeData *native =
 628       (wxGtkPrintNativeData*) data.GetNativeData();
 629     data.ConvertToNative();
 630
 631     GtkPrintSettings * settings = native->GetPrintConfig();
 632
 633     // We have to restore pages to print here because they're stored in a wxPrintDialogData and ConvertToNative only works for wxPrintData.
 634     int fromPage = m_printDialogData.GetFromPage();
 635     int toPage = m_printDialogData.GetToPage();
 636     if (m_printDialogData.GetSelection())
 637         gtk_print_settings_set_print_pages(settings, GTK_PRINT_PAGES_CURRENT);
 638     else if (m_printDialogData.GetAllPages())
 639         gtk_print_settings_set_print_pages(settings, GTK_PRINT_PAGES_ALL);
 640     else {
 641         gtk_print_settings_set_print_pages(settings, GTK_PRINT_PAGES_RANGES);
 642         GtkPageRange *range;
 643         range = g_new (GtkPageRange, 1);
 644         range[0].start = fromPage-1;
 645         range[0].end = (toPage >= fromPage) ? toPage-1 : fromPage-1;
 646         gtk_print_settings_set_page_ranges (settings, range, 1);
 647     }
 648
 649     GtkPrintOperation * const printOp = native->GetPrintJob();
 650
 651     // If the settings are OK, we restore it.
 652     if (settings != NULL)
 653         gtk_print_operation_set_print_settings (printOp, settings);
 654     gtk_print_operation_set_default_page_setup (printOp, native->GetPageSetupFromSettings(settings));
 655
 656     // Show the dialog if needed.
 657     GError* gError = NULL;
 658     if (GetShowDialog())
 659         response = gtk_print_operation_run (printOp, 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 (printOp, 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         wxLogError(_("Error while printing: ") + wxString(gError ? gError->message : "???"));
 671         g_error_free (gError);
 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(printOp);
 677     native->SetPrintConfig(newSettings);
 678     data.ConvertFromNative();
 679
 680     // Set PrintDialogData variables
 681     m_printDialogData.SetPrintData(data);
 682     m_printDialogData.SetCollate(data.GetCollate());
 683     m_printDialogData.SetNoCopies(data.GetNoCopies());
 684     m_printDialogData.SetPrintToFile(data.GetPrinterName() == "Print to File");
 685
 686     // Same problem as a few lines before.
 687     switch (gtk_print_settings_get_print_pages(newSettings))
 688     {
 689         case GTK_PRINT_PAGES_CURRENT:
 690             m_printDialogData.SetSelection( true );
 691             break;
 692         case GTK_PRINT_PAGES_RANGES:
 693             {// wxWidgets doesn't support multiple ranges, so we can only save the first one even if the user wants to print others.
 694             // 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
 695             // will hit "OK" button. However we can only save 1-3 in the print data.
 696             gint num_ranges = 0;
 697             GtkPageRange* range;
 698             range = gtk_print_settings_get_page_ranges (newSettings, &num_ranges);
 699             if (num_ranges >= 1)
 700             {
 701                 m_printDialogData.SetFromPage( range[0].start );
 702                 m_printDialogData.SetToPage( range[0].end );
 703             }
 704             else {
 705                 m_printDialogData.SetAllPages( true );
 706                 m_printDialogData.SetFromPage( 0 );
 707                 m_printDialogData.SetToPage( 9999 );
 708             }
 709             break;}
 710         case GTK_PRINT_PAGES_ALL:
 711         default:
 712             m_printDialogData.SetAllPages( true );
 713             m_printDialogData.SetFromPage( 0 );
 714             m_printDialogData.SetToPage( 9999 );
 715             break;
 716     }
 717
 718     return wxID_OK;
 719 }
 720
 721 //----------------------------------------------------------------------------
 722 // wxGtkPageSetupDialog
 723 //----------------------------------------------------------------------------
 724
 725 IMPLEMENT_CLASS(wxGtkPageSetupDialog, wxPageSetupDialogBase)
 726
 727 wxGtkPageSetupDialog::wxGtkPageSetupDialog( wxWindow *parent,
 728                             wxPageSetupDialogData* data )
 729 {
 730     if (data)
 731         m_pageDialogData = *data;
 732
 733     m_parent = parent;
 734 }
 735
 736 wxGtkPageSetupDialog::~wxGtkPageSetupDialog()
 737 {
 738 }
 739
 740 int wxGtkPageSetupDialog::ShowModal()
 741 {
 742     // Get the config.
 743     m_pageDialogData.GetPrintData().ConvertToNative();
 744     wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) m_pageDialogData.GetPrintData().GetNativeData();
 745     GtkPrintSettings* nativeData = native->GetPrintConfig();
 746
 747     // We only need the pagesetup data which are part of the settings.
 748     GtkPageSetup* oldPageSetup = native->GetPageSetupFromSettings(nativeData);
 749
 750     // If the user used a custom paper format the last time he printed, we have to restore it too.
 751     if (m_pageDialogData.GetPrintData().GetPaperId() == wxPAPER_NONE)
 752     {
 753         wxSize customPaperSize = m_pageDialogData.GetPaperSize();
 754         if (customPaperSize.GetWidth() > 0 && customPaperSize.GetHeight() > 0)
 755         {
 756             wxString title = _("Custom size");
 757             GtkPaperSize* customSize = gtk_paper_size_new_custom ("custom", title.mb_str(), (gdouble) customPaperSize.GetWidth(), (gdouble) customPaperSize.GetHeight(), GTK_UNIT_MM);
 758             gtk_page_setup_set_paper_size_and_default_margins (oldPageSetup, customSize);
 759             g_object_unref(customSize);
 760         }
 761     }
 762
 763
 764     // Set selected printer
 765     gtk_print_settings_set(nativeData, "format-for-printer",
 766                            gtk_print_settings_get_printer(nativeData));
 767
 768     // Create custom dialog
 769     wxString title(GetTitle());
 770     if ( title.empty() )
 771         title = _("Page Setup");
 772     GtkWidget *
 773         dlg = gtk_page_setup_unix_dialog_new(title.utf8_str(),
 774                                              GTK_WINDOW(m_parent->m_widget));
 775
 776     gtk_page_setup_unix_dialog_set_print_settings(
 777         GTK_PAGE_SETUP_UNIX_DIALOG(dlg), nativeData);
 778     gtk_page_setup_unix_dialog_set_page_setup(
 779         GTK_PAGE_SETUP_UNIX_DIALOG(dlg), oldPageSetup);
 780
 781     int result = gtk_dialog_run(GTK_DIALOG(dlg));
 782     gtk_widget_hide(dlg);
 783
 784     switch ( result )
 785     {
 786         case GTK_RESPONSE_OK:
 787         case GTK_RESPONSE_APPLY:
 788             {
 789                 // Store Selected Printer Name
 790                 gtk_print_settings_set_printer
 791                 (
 792                     nativeData,
 793                     gtk_print_settings_get(nativeData, "format-for-printer")
 794                 );
 795
 796                 wxGtkObject<GtkPageSetup>
 797                     newPageSetup(gtk_page_setup_unix_dialog_get_page_setup(
 798                                         GTK_PAGE_SETUP_UNIX_DIALOG(dlg)));
 799                 native->SetPageSetupToSettings(nativeData, newPageSetup);
 800
 801                 m_pageDialogData.GetPrintData().ConvertFromNative();
 802
 803                 // Store custom paper format if any.
 804                 if ( m_pageDialogData.GetPrintData().GetPaperId() == wxPAPER_NONE )
 805                 {
 806                     gdouble ml,mr,mt,mb,pw,ph;
 807                     ml = gtk_page_setup_get_left_margin (newPageSetup, GTK_UNIT_MM);
 808                     mr = gtk_page_setup_get_right_margin (newPageSetup, GTK_UNIT_MM);
 809                     mt = gtk_page_setup_get_top_margin (newPageSetup, GTK_UNIT_MM);
 810                     mb = gtk_page_setup_get_bottom_margin (newPageSetup, GTK_UNIT_MM);
 811
 812                     pw = gtk_page_setup_get_paper_width (newPageSetup, GTK_UNIT_MM);
 813                     ph = gtk_page_setup_get_paper_height (newPageSetup, GTK_UNIT_MM);
 814
 815                     m_pageDialogData.SetMarginTopLeft(wxPoint((int)(ml+0.5),
 816                                                               (int)(mt+0.5)));
 817                     m_pageDialogData.SetMarginBottomRight(wxPoint((int)(mr+0.5),
 818                                                                   (int)(mb+0.5)));
 819
 820                     m_pageDialogData.SetPaperSize(wxSize((int)(pw+0.5),
 821                                                          (int)(ph+0.5)));
 822                 }
 823
 824                 result = wxID_OK;
 825             }
 826             break;
 827
 828         default:
 829         case GTK_RESPONSE_CANCEL:
 830             result = wxID_CANCEL;
 831             break;
 832     }
 833
 834     gtk_widget_destroy(dlg);
 835
 836     return result;
 837 }
 838
 839 //----------------------------------------------------------------------------
 840 // wxGtkPrinter
 841 //----------------------------------------------------------------------------
 842
 843 IMPLEMENT_CLASS(wxGtkPrinter, wxPrinterBase)
 844
 845 wxGtkPrinter::wxGtkPrinter( wxPrintDialogData *data ) :
 846     wxPrinterBase( data )
 847 {
 848     m_gpc = NULL;
 849
 850     if (data)
 851         m_printDialogData = *data;
 852 }
 853
 854 wxGtkPrinter::~wxGtkPrinter()
 855 {
 856 }
 857
 858 bool wxGtkPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt )
 859 {
 860     if (!printout)
 861     {
 862         sm_lastError = wxPRINTER_ERROR;
 863         return false;
 864     }
 865
 866     // Let's correct the PageInfo just in case the app gives wrong values.
 867     int fromPage, toPage;
 868     int minPage, maxPage;
 869     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 870     m_printDialogData.SetAllPages(true);
 871
 872     if (minPage < 1) minPage = 1;
 873     if (maxPage < 1) maxPage = 9999;
 874     if (maxPage < minPage) maxPage = minPage;
 875
 876     m_printDialogData.SetMinPage(minPage);
 877     m_printDialogData.SetMaxPage(maxPage);
 878     if (fromPage != 0)
 879     {
 880         if (fromPage < minPage) fromPage = minPage;
 881         else if (fromPage > maxPage) fromPage = maxPage;
 882         m_printDialogData.SetFromPage(fromPage);
 883     }
 884     if (toPage != 0)
 885     {
 886         m_printDialogData.SetToPage(toPage);
 887         if (toPage > maxPage) toPage = maxPage;
 888         else if (toPage < minPage) toPage = minPage;
 889     }
 890
 891     if (((minPage != fromPage) && fromPage != 0) || ((maxPage != toPage) && toPage != 0)) m_printDialogData.SetAllPages(false);
 892
 893
 894     wxPrintData printdata = GetPrintDialogData().GetPrintData();
 895     wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) printdata.GetNativeData();
 896
 897     GtkPrintOperation * const printOp = native->GetPrintJob();
 898
 899     wxPrinterToGtkData dataToSend;
 900     dataToSend.printer = this;
 901     dataToSend.printout = printout;
 902
 903     // These Gtk signals are caught here.
 904     g_signal_connect (printOp, "begin-print", G_CALLBACK (gtk_begin_print_callback), &dataToSend);
 905     g_signal_connect (printOp, "draw-page", G_CALLBACK (gtk_draw_page_print_callback), &dataToSend);
 906     g_signal_connect (printOp, "end-print", G_CALLBACK (gtk_end_print_callback), printout);
 907
 908     // This is used to setup the DC and
 909     // show the dialog if desired
 910     wxGtkPrintDialog dialog( parent, &m_printDialogData );
 911     dialog.SetPrintDC(m_dc);
 912     dialog.SetShowDialog(prompt);
 913
 914     // doesn't necessarily show
 915     int ret = dialog.ShowModal();
 916     if (ret == wxID_CANCEL)
 917     {
 918         sm_lastError = wxPRINTER_CANCELLED;
 919     }
 920     if (ret == wxID_NO)
 921     {
 922         sm_lastError = wxPRINTER_ERROR;
 923         wxFAIL_MSG(_("The print dialog returned an error."));
 924     }
 925
 926     return (sm_lastError == wxPRINTER_NO_ERROR);
 927 }
 928
 929 void wxGtkPrinter::BeginPrint(wxPrintout *printout, GtkPrintOperation *operation, GtkPrintContext *context)
 930 {
 931     wxPrintData printdata = GetPrintDialogData().GetPrintData();
 932     wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) printdata.GetNativeData();
 933
 934     // We need to update printdata with the new data from the dialog and we
 935     // have to do this here because this method needs this new data and we
 936     // cannot update it earlier
 937     native->SetPrintConfig(gtk_print_operation_get_print_settings(operation));
 938     printdata.ConvertFromNative();
 939
 940     SetPrintContext(context);
 941     native->SetPrintContext( context );
 942
 943     wxPrinterDC *printDC = new wxPrinterDC( printdata );
 944     m_dc = printDC;
 945
 946     if (!m_dc->IsOk())
 947     {
 948         if (sm_lastError != wxPRINTER_CANCELLED)
 949         {
 950             sm_lastError = wxPRINTER_ERROR;
 951             wxFAIL_MSG(_("The wxGtkPrinterDC cannot be used."));
 952         }
 953         return;
 954     }
 955
 956     printout->SetPPIScreen(wxGetDisplayPPI());
 957     printout->SetPPIPrinter( printDC->GetResolution(),
 958                              printDC->GetResolution() );
 959
 960     printout->SetDC(m_dc);
 961
 962     int w, h;
 963     m_dc->GetSize(&w, &h);
 964     printout->SetPageSizePixels((int)w, (int)h);
 965     printout->SetPaperRectPixels(wxRect(0, 0, w, h));
 966     int mw, mh;
 967     m_dc->GetSizeMM(&mw, &mh);
 968     printout->SetPageSizeMM((int)mw, (int)mh);
 969     printout->OnPreparePrinting();
 970
 971     // Get some parameters from the printout, if defined.
 972     int fromPage, toPage;
 973     int minPage, maxPage;
 974     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 975
 976     if (maxPage == 0)
 977     {
 978         sm_lastError = wxPRINTER_ERROR;
 979         wxFAIL_MSG(_("wxPrintout::GetPageInfo gives a null maxPage."));
 980         return;
 981     }
 982
 983     printout->OnBeginPrinting();
 984
 985     int numPages = 0;
 986
 987     // If we're not previewing we need to calculate the number of pages to print.
 988     // If we're previewing, Gtk Print will render every pages without wondering about the page ranges the user may
 989     // have defined in the dialog. So the number of pages is the maximum available.
 990     if (!printout->IsPreview())
 991     {
 992         GtkPrintSettings * settings = gtk_print_operation_get_print_settings (operation);
 993         switch (gtk_print_settings_get_print_pages(settings))
 994         {
 995             case GTK_PRINT_PAGES_CURRENT:
 996                 numPages = 1;
 997                 break;
 998             case GTK_PRINT_PAGES_RANGES:
 999                 {gint num_ranges = 0;
1000                 GtkPageRange* range;
1001                 int i;
1002                 range = gtk_print_settings_get_page_ranges (settings, &num_ranges);
1003                 for (i=0; i<num_ranges; i++)
1004                 {
1005                     if (range[i].end < range[i].start) range[i].end = range[i].start;
1006                     if (range[i].start < minPage-1) range[i].start = minPage-1;
1007                     if (range[i].end > maxPage-1) range[i].end = maxPage-1;
1008                     if (range[i].start > maxPage-1) range[i].start = maxPage-1;
1009                     numPages += range[i].end - range[i].start + 1;
1010                 }
1011                 gtk_print_settings_set_page_ranges (settings, range, 1);
1012                 break;}
1013             case GTK_PRINT_PAGES_ALL:
1014             default:
1015                 numPages = maxPage - minPage + 1;
1016                 break;
1017         }
1018     }
1019     else numPages = maxPage - minPage + 1;
1020
1021     gtk_print_operation_set_n_pages(operation, numPages);
1022 }
1023
1024 void wxGtkPrinter::DrawPage(wxPrintout *printout,
1025                             GtkPrintOperation *operation,
1026                             GtkPrintContext * WXUNUSED(context),
1027                             int page_nr)
1028 {
1029     int fromPage, toPage, minPage, maxPage, startPage, endPage;
1030     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
1031
1032     int numPageToDraw = page_nr + minPage;
1033     if (numPageToDraw < minPage) numPageToDraw = minPage;
1034     if (numPageToDraw > maxPage) numPageToDraw = maxPage;
1035
1036     GtkPrintSettings * settings = gtk_print_operation_get_print_settings (operation);
1037     switch (gtk_print_settings_get_print_pages(settings))
1038     {
1039         case GTK_PRINT_PAGES_CURRENT:
1040             g_object_get_property((GObject*) operation, (const gchar *) "current-page", (GValue*) &startPage);
1041             g_object_get_property((GObject*) operation, (const gchar *) "current-page", (GValue*) &endPage);
1042             break;
1043         case GTK_PRINT_PAGES_RANGES:
1044             {gint num_ranges = 0;
1045             GtkPageRange* range;
1046             range = gtk_print_settings_get_page_ranges (settings, &num_ranges);
1047             // We don't need to verify these values as it has already been done in wxGtkPrinter::BeginPrint.
1048             if (num_ranges >= 1)
1049             {
1050                 startPage = range[0].start + 1;
1051                 endPage = range[0].end + 1;
1052             }
1053             else {
1054                 startPage = minPage;
1055                 endPage = maxPage;
1056             }
1057             break;}
1058         case GTK_PRINT_PAGES_ALL:
1059         default:
1060             startPage = minPage;
1061             endPage = maxPage;
1062             break;
1063     }
1064
1065     if(numPageToDraw == startPage)
1066     {
1067         if (!printout->OnBeginDocument(startPage, endPage))
1068         {
1069             wxLogError(_("Could not start printing."));
1070             sm_lastError = wxPRINTER_ERROR;
1071         }
1072     }
1073
1074     // The app can render the page numPageToDraw.
1075     if (printout->HasPage(numPageToDraw))
1076     {
1077         m_dc->StartPage();
1078         printout->OnPrintPage(numPageToDraw);
1079         m_dc->EndPage();
1080     }
1081
1082
1083     if(numPageToDraw == endPage)
1084     {
1085         printout->OnEndDocument();
1086     }
1087 }
1088
1089 wxDC* wxGtkPrinter::PrintDialog( wxWindow *parent )
1090 {
1091     wxGtkPrintDialog dialog( parent, &m_printDialogData );
1092
1093     dialog.SetPrintDC(m_dc);
1094     dialog.SetShowDialog(true);
1095
1096     int ret = dialog.ShowModal();
1097
1098     if (ret == wxID_CANCEL)
1099     {
1100         sm_lastError = wxPRINTER_CANCELLED;
1101         return NULL;
1102     }
1103     if (ret == wxID_NO)
1104     {
1105         sm_lastError = wxPRINTER_ERROR;
1106         wxFAIL_MSG(_("The print dialog returned an error."));
1107         return NULL;
1108     }
1109
1110     m_printDialogData = dialog.GetPrintDialogData();
1111
1112     return new wxPrinterDC( m_printDialogData.GetPrintData() );
1113 }
1114
1115 bool wxGtkPrinter::Setup( wxWindow * WXUNUSED(parent) )
1116 {
1117     // Obsolete, for backward compatibility.
1118     return false;
1119 }
1120
1121 //-----------------------------------------------------------------------------
1122 // wxGtkPrinterDC
1123 //-----------------------------------------------------------------------------
1124
1125 #define wxCAIRO_SCALE 1
1126
1127 #if wxCAIRO_SCALE
1128
1129 #define XLOG2DEV(x)     LogicalToDeviceX(x)
1130 #define XLOG2DEVREL(x)  LogicalToDeviceXRel(x)
1131 #define YLOG2DEV(x)     LogicalToDeviceY(x)
1132 #define YLOG2DEVREL(x)  LogicalToDeviceYRel(x)
1133
1134 #else
1135
1136 #define XLOG2DEV(x)     ((double)(LogicalToDeviceX(x)) * m_DEV2PS)
1137 #define XLOG2DEVREL(x)  ((double)(LogicalToDeviceXRel(x)) * m_DEV2PS)
1138 #define YLOG2DEV(x)     ((double)(LogicalToDeviceY(x)) * m_DEV2PS)
1139 #define YLOG2DEVREL(x)  ((double)(LogicalToDeviceYRel(x)) * m_DEV2PS)
1140
1141 #endif
1142
1143 IMPLEMENT_ABSTRACT_CLASS(wxGtkPrinterDCImpl, wxDCImpl)
1144
1145 wxGtkPrinterDCImpl::wxGtkPrinterDCImpl(wxPrinterDC *owner, const wxPrintData& data)
1146                   : wxDCImpl( owner )
1147 {
1148     m_printData = data;
1149
1150     wxGtkPrintNativeData *native =
1151         (wxGtkPrintNativeData*) m_printData.GetNativeData();
1152
1153     m_gpc = native->GetPrintContext();
1154
1155     // Match print quality to resolution (high = 1200dpi)
1156     m_resolution = m_printData.GetQuality(); // (int) gtk_print_context_get_dpi_x( m_gpc );
1157     if (m_resolution < 0)
1158         m_resolution = (1 << (m_resolution+4)) *150;
1159
1160     m_context = gtk_print_context_create_pango_context( m_gpc );
1161     m_layout = gtk_print_context_create_pango_layout ( m_gpc );
1162     m_fontdesc = pango_font_description_from_string( "Sans 12" );
1163
1164     m_cairo = gtk_print_context_get_cairo_context ( m_gpc );
1165
1166 #if wxCAIRO_SCALE
1167     m_PS2DEV = 1.0;
1168     m_DEV2PS = 1.0;
1169
1170     cairo_scale( m_cairo, 72.0 / (double)m_resolution, 72.0 / (double)m_resolution );
1171 #else
1172     m_PS2DEV = (double)m_resolution / 72.0;
1173     m_DEV2PS = 72.0 / (double)m_resolution;
1174 #endif
1175
1176     m_currentRed = 0;
1177     m_currentBlue = 0;
1178     m_currentGreen = 0;
1179
1180     m_signX = 1;  // default x-axis left to right.
1181     m_signY = 1;  // default y-axis bottom up -> top down.
1182
1183     // By default the origin of the Cairo context is in the upper left
1184     // corner of the printable area. We need to translate it so that it
1185     // is in the upper left corner of the paper (without margins)
1186     GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc );
1187     gdouble ml, mt;
1188     ml = gtk_page_setup_get_left_margin (setup, GTK_UNIT_POINTS);
1189     mt = gtk_page_setup_get_top_margin (setup, GTK_UNIT_POINTS);
1190     cairo_translate(m_cairo, -ml, -mt);
1191 }
1192
1193 wxGtkPrinterDCImpl::~wxGtkPrinterDCImpl()
1194 {
1195     g_object_unref(m_context);
1196     g_object_unref(m_layout);
1197 }
1198
1199 bool wxGtkPrinterDCImpl::IsOk() const
1200 {
1201     return m_gpc != NULL;
1202 }
1203
1204 void* wxGtkPrinterDCImpl::GetCairoContext() const
1205 {
1206     return (void*) cairo_reference( m_cairo );
1207 }
1208
1209 bool wxGtkPrinterDCImpl::DoFloodFill(wxCoord WXUNUSED(x1),
1210                                wxCoord WXUNUSED(y1),
1211                                const wxColour& WXUNUSED(col),
1212                                wxFloodFillStyle WXUNUSED(style))
1213 {
1214     // We can't access the given coord as a Cairo context is scalable, ie a
1215     // coord doesn't mean anything in this context.
1216     wxFAIL_MSG(_("not implemented"));
1217     return false;
1218 }
1219
1220 void wxGtkPrinterDCImpl::DoGradientFillConcentric(const wxRect& rect, const wxColour& initialColour, const wxColour& destColour, const wxPoint& circleCenter)
1221 {
1222     wxCoord xC = circleCenter.x;
1223     wxCoord yC = circleCenter.y;
1224     wxCoord xR = rect.x;
1225     wxCoord yR = rect.y;
1226     wxCoord w =  rect.width;
1227     wxCoord h = rect.height;
1228
1229     const double r2 = (w/2)*(w/2)+(h/2)*(h/2);
1230     double radius = sqrt(r2);
1231
1232     unsigned char redI = initialColour.Red();
1233     unsigned char blueI = initialColour.Blue();
1234     unsigned char greenI = initialColour.Green();
1235     unsigned char alphaI = initialColour.Alpha();
1236     unsigned char redD = destColour.Red();
1237     unsigned char blueD = destColour.Blue();
1238     unsigned char greenD = destColour.Green();
1239     unsigned char alphaD = destColour.Alpha();
1240
1241     double redIPS = (double)(redI) / 255.0;
1242     double blueIPS = (double)(blueI) / 255.0;
1243     double greenIPS = (double)(greenI) / 255.0;
1244     double alphaIPS = (double)(alphaI) / 255.0;
1245     double redDPS = (double)(redD) / 255.0;
1246     double blueDPS = (double)(blueD) / 255.0;
1247     double greenDPS = (double)(greenD) / 255.0;
1248     double alphaDPS = (double)(alphaD) / 255.0;
1249
1250     // Create a pattern with the gradient.
1251     cairo_pattern_t* gradient;
1252     gradient = cairo_pattern_create_radial (XLOG2DEV(xC+xR), YLOG2DEV(yC+yR), 0, XLOG2DEV(xC+xR), YLOG2DEV(yC+yR), radius * m_DEV2PS );
1253     cairo_pattern_add_color_stop_rgba (gradient, 0.0, redIPS, greenIPS, blueIPS, alphaIPS);
1254     cairo_pattern_add_color_stop_rgba (gradient, 1.0, redDPS, greenDPS, blueDPS, alphaDPS);
1255
1256     // Fill the rectangle with this pattern.
1257     cairo_set_source(m_cairo, gradient);
1258     cairo_rectangle (m_cairo, XLOG2DEV(xR), YLOG2DEV(yR), XLOG2DEVREL(w), YLOG2DEVREL(h) );
1259     cairo_fill(m_cairo);
1260
1261     cairo_pattern_destroy(gradient);
1262
1263     CalcBoundingBox(xR, yR);
1264     CalcBoundingBox(xR+w, yR+h);
1265 }
1266
1267 void wxGtkPrinterDCImpl::DoGradientFillLinear(const wxRect& rect, const wxColour& initialColour, const wxColour& destColour, wxDirection nDirection)
1268 {
1269     wxCoord x = rect.x;
1270     wxCoord y = rect.y;
1271     wxCoord w = rect.width;
1272     wxCoord h = rect.height;
1273
1274     unsigned char redI = initialColour.Red();
1275     unsigned char blueI = initialColour.Blue();
1276     unsigned char greenI = initialColour.Green();
1277     unsigned char alphaI = initialColour.Alpha();
1278     unsigned char redD = destColour.Red();
1279     unsigned char blueD = destColour.Blue();
1280     unsigned char greenD = destColour.Green();
1281     unsigned char alphaD = destColour.Alpha();
1282
1283     double redIPS = (double)(redI) / 255.0;
1284     double blueIPS = (double)(blueI) / 255.0;
1285     double greenIPS = (double)(greenI) / 255.0;
1286     double alphaIPS = (double)(alphaI) / 255.0;
1287     double redDPS = (double)(redD) / 255.0;
1288     double blueDPS = (double)(blueD) / 255.0;
1289     double greenDPS = (double)(greenD) / 255.0;
1290     double alphaDPS = (double)(alphaD) / 255.0;
1291
1292     // Create a pattern with the gradient.
1293     cairo_pattern_t* gradient;
1294     gradient = cairo_pattern_create_linear (XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x+w), YLOG2DEV(y));
1295
1296     if (nDirection == wxWEST)
1297     {
1298         cairo_pattern_add_color_stop_rgba (gradient, 0.0, redDPS, greenDPS, blueDPS, alphaDPS);
1299         cairo_pattern_add_color_stop_rgba (gradient, 1.0, redIPS, greenIPS, blueIPS, alphaIPS);
1300     }
1301     else {
1302         cairo_pattern_add_color_stop_rgba (gradient, 0.0, redIPS, greenIPS, blueIPS, alphaIPS);
1303         cairo_pattern_add_color_stop_rgba (gradient, 1.0, redDPS, greenDPS, blueDPS, alphaDPS);
1304     }
1305
1306     // Fill the rectangle with this pattern.
1307     cairo_set_source(m_cairo, gradient);
1308     cairo_rectangle (m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(w), YLOG2DEVREL(h) );
1309     cairo_fill(m_cairo);
1310
1311     cairo_pattern_destroy(gradient);
1312
1313     CalcBoundingBox(x, y);
1314     CalcBoundingBox(x+w, y+h);
1315 }
1316
1317 bool wxGtkPrinterDCImpl::DoGetPixel(wxCoord WXUNUSED(x1),
1318                               wxCoord WXUNUSED(y1),
1319                               wxColour * WXUNUSED(col)) const
1320 {
1321     wxFAIL_MSG(_("not implemented"));
1322     return false;
1323 }
1324
1325 void wxGtkPrinterDCImpl::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
1326 {
1327     if ( m_pen.IsTransparent() )
1328         return;
1329
1330     SetPen( m_pen );
1331     cairo_move_to ( m_cairo, XLOG2DEV(x1), YLOG2DEV(y1) );
1332     cairo_line_to ( m_cairo, XLOG2DEV(x2), YLOG2DEV(y2) );
1333     cairo_stroke ( m_cairo );
1334
1335     CalcBoundingBox( x1, y1 );
1336     CalcBoundingBox( x2, y2 );
1337 }
1338
1339 void wxGtkPrinterDCImpl::DoCrossHair(wxCoord x, wxCoord y)
1340 {
1341     int w, h;
1342     DoGetSize(&w, &h);
1343
1344     SetPen(m_pen);
1345
1346     cairo_move_to (m_cairo, XLOG2DEV(x), 0);
1347     cairo_line_to (m_cairo, XLOG2DEV(x), YLOG2DEVREL(h));
1348     cairo_move_to (m_cairo, 0, YLOG2DEV(y));
1349     cairo_line_to (m_cairo, XLOG2DEVREL(w), YLOG2DEV(y));
1350
1351     cairo_stroke (m_cairo);
1352     CalcBoundingBox( 0, 0 );
1353     CalcBoundingBox( w, h );
1354 }
1355
1356 void wxGtkPrinterDCImpl::DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc)
1357 {
1358     double dx = x1 - xc;
1359     double dy = y1 - yc;
1360     double radius = sqrt((double)(dx*dx+dy*dy));
1361
1362     double alpha1, alpha2;
1363     if (x1 == x2 && y1 == y2)
1364     {
1365         alpha1 = 0.0;
1366         alpha2 = 360.0;
1367     }
1368     else
1369     if (radius == 0.0)
1370     {
1371         alpha1 = alpha2 = 0.0;
1372     }
1373     else
1374     {
1375         alpha1 = (x1 - xc == 0) ?
1376             (y1 - yc < 0) ? 90.0 : -90.0 :
1377             atan2(double(y1-yc), double(x1-xc)) * RAD2DEG;
1378         alpha2 = (x2 - xc == 0) ?
1379             (y2 - yc < 0) ? 90.0 : -90.0 :
1380             atan2(double(y2-yc), double(x2-xc)) * RAD2DEG;
1381
1382         while (alpha1 <= 0)   alpha1 += 360;
1383         while (alpha2 <= 0)   alpha2 += 360; // adjust angles to be between.
1384         while (alpha1 > 360)  alpha1 -= 360; // 0 and 360 degree.
1385         while (alpha2 > 360)  alpha2 -= 360;
1386     }
1387
1388     alpha1 *= DEG2RAD;
1389     alpha2 *= DEG2RAD;
1390
1391     cairo_new_path(m_cairo);
1392
1393     cairo_arc_negative ( m_cairo, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2);
1394     cairo_line_to(m_cairo, XLOG2DEV(xc), YLOG2DEV(yc));
1395     cairo_close_path (m_cairo);
1396
1397     SetBrush( m_brush );
1398     cairo_fill_preserve( m_cairo );
1399
1400     SetPen (m_pen);
1401     cairo_stroke( m_cairo );
1402
1403     CalcBoundingBox (x1, y1);
1404     CalcBoundingBox (xc, yc);
1405     CalcBoundingBox (x2, y2);
1406 }
1407
1408 void wxGtkPrinterDCImpl::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
1409 {
1410     cairo_save( m_cairo );
1411
1412     cairo_new_path(m_cairo);
1413
1414     cairo_translate( m_cairo, XLOG2DEV((wxCoord) (x + w / 2.)), XLOG2DEV((wxCoord) (y + h / 2.)) );
1415     double scale = (double)YLOG2DEVREL(h) / (double) XLOG2DEVREL(w);
1416     cairo_scale( m_cairo, 1.0, scale );
1417
1418     cairo_arc_negative ( m_cairo, 0, 0, XLOG2DEVREL(w/2), -sa*DEG2RAD, -ea*DEG2RAD);
1419
1420     SetPen (m_pen);
1421     cairo_stroke_preserve( m_cairo );
1422
1423     cairo_line_to(m_cairo, 0,0);
1424
1425     SetBrush( m_brush );
1426     cairo_fill( m_cairo );
1427
1428     cairo_restore( m_cairo );
1429
1430     CalcBoundingBox( x, y);
1431     CalcBoundingBox( x+w, y+h );
1432 }
1433
1434 void wxGtkPrinterDCImpl::DoDrawPoint(wxCoord x, wxCoord y)
1435 {
1436     if ( m_pen.IsTransparent() )
1437         return;
1438
1439     SetPen( m_pen );
1440
1441     cairo_move_to ( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1442     cairo_line_to ( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1443     cairo_stroke ( m_cairo );
1444
1445     CalcBoundingBox( x, y );
1446 }
1447
1448 void wxGtkPrinterDCImpl::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
1449 {
1450     if ( m_pen.IsTransparent() )
1451         return;
1452
1453
1454     if (n <= 0) return;
1455
1456     SetPen (m_pen);
1457
1458     int i;
1459     for ( i =0; i<n ; i++ )
1460         CalcBoundingBox( points[i].x+xoffset, points[i].y+yoffset);
1461
1462     cairo_move_to ( m_cairo, XLOG2DEV(points[0].x+xoffset), YLOG2DEV(points[0].y+yoffset) );
1463
1464     for (i = 1; i < n; i++)
1465         cairo_line_to ( m_cairo, XLOG2DEV(points[i].x+xoffset), YLOG2DEV(points[i].y+yoffset) );
1466
1467     cairo_stroke ( m_cairo);
1468 }
1469
1470 void wxGtkPrinterDCImpl::DoDrawPolygon(int n, wxPoint points[],
1471                                        wxCoord xoffset, wxCoord yoffset,
1472                                        wxPolygonFillMode fillStyle)
1473 {
1474     if (n==0) return;
1475
1476     cairo_save(m_cairo);
1477     if (fillStyle == wxWINDING_RULE)
1478         cairo_set_fill_rule( m_cairo, CAIRO_FILL_RULE_WINDING);
1479     else
1480         cairo_set_fill_rule( m_cairo, CAIRO_FILL_RULE_EVEN_ODD);
1481
1482     int x = points[0].x + xoffset;
1483     int y = points[0].y + yoffset;
1484     cairo_new_path(m_cairo);
1485     cairo_move_to( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1486     int i;
1487     for (i = 1; i < n; i++)
1488     {
1489         int x = points[i].x + xoffset;
1490         int y = points[i].y + yoffset;
1491         cairo_line_to( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1492     }
1493     cairo_close_path(m_cairo);
1494
1495     SetBrush( m_brush );
1496     cairo_fill_preserve( m_cairo );
1497
1498     SetPen (m_pen);
1499     cairo_stroke( m_cairo );
1500
1501     CalcBoundingBox( x, y );
1502
1503     cairo_restore(m_cairo);
1504 }
1505
1506 void wxGtkPrinterDCImpl::DoDrawPolyPolygon(int n, int count[], wxPoint points[],
1507                                            wxCoord xoffset, wxCoord yoffset,
1508                                            wxPolygonFillMode fillStyle)
1509 {
1510     wxDCImpl::DoDrawPolyPolygon( n, count, points, xoffset, yoffset, fillStyle );
1511 }
1512
1513 void wxGtkPrinterDCImpl::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1514 {
1515     width--;
1516     height--;
1517
1518     cairo_new_path(m_cairo);
1519     cairo_rectangle ( m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(width), YLOG2DEVREL(height));
1520
1521     SetBrush( m_brush );
1522     cairo_fill_preserve( m_cairo );
1523
1524     SetPen (m_pen);
1525     cairo_stroke( m_cairo );
1526
1527     CalcBoundingBox( x, y );
1528     CalcBoundingBox( x + width, y + height );
1529 }
1530
1531 void wxGtkPrinterDCImpl::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
1532 {
1533     width--;
1534     height--;
1535
1536     if (radius < 0.0) radius = - radius * ((width < height) ? width : height);
1537
1538     wxCoord dd = 2 * (wxCoord) radius;
1539     if (dd > width) dd = width;
1540     if (dd > height) dd = height;
1541     radius = dd / 2;
1542
1543     wxCoord rad = (wxCoord) radius;
1544
1545     cairo_new_path(m_cairo);
1546     cairo_move_to(m_cairo,XLOG2DEV(x + rad),YLOG2DEV(y));
1547     cairo_curve_to(m_cairo,
1548                                 XLOG2DEV(x + rad),YLOG2DEV(y),
1549                                 XLOG2DEV(x),YLOG2DEV(y),
1550                                 XLOG2DEV(x),YLOG2DEV(y + rad));
1551     cairo_line_to(m_cairo,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1552     cairo_curve_to(m_cairo,
1553                                 XLOG2DEV(x),YLOG2DEV(y + height - rad),
1554                                 XLOG2DEV(x),YLOG2DEV(y + height),
1555                                 XLOG2DEV(x + rad),YLOG2DEV(y + height));
1556     cairo_line_to(m_cairo,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1557     cairo_curve_to(m_cairo,
1558                                 XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1559                                 XLOG2DEV(x + width),YLOG2DEV(y + height),
1560                                 XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1561     cairo_line_to(m_cairo,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1562     cairo_curve_to(m_cairo,
1563                                 XLOG2DEV(x + width),YLOG2DEV(y + rad),
1564                                 XLOG2DEV(x + width),YLOG2DEV(y),
1565                                 XLOG2DEV(x + width - rad),YLOG2DEV(y));
1566     cairo_line_to(m_cairo,XLOG2DEV(x + rad),YLOG2DEV(y));
1567     cairo_close_path(m_cairo);
1568
1569     SetBrush(m_brush);
1570     cairo_fill_preserve(m_cairo);
1571
1572     SetPen(m_pen);
1573     cairo_stroke(m_cairo);
1574
1575     CalcBoundingBox(x,y);
1576     CalcBoundingBox(x+width,y+height);
1577 }
1578
1579 void wxGtkPrinterDCImpl::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1580 {
1581     width--;
1582     height--;
1583
1584     cairo_save (m_cairo);
1585
1586     cairo_new_path(m_cairo);
1587
1588     cairo_translate (m_cairo, XLOG2DEV((wxCoord) (x + width / 2.)), YLOG2DEV((wxCoord) (y + height / 2.)));
1589     cairo_scale(m_cairo, 1, (double)YLOG2DEVREL(height)/(double)XLOG2DEVREL(width));
1590     cairo_arc ( m_cairo, 0, 0, XLOG2DEVREL(width/2), 0, 2 * M_PI);
1591
1592     SetBrush( m_brush );
1593     cairo_fill_preserve( m_cairo );
1594
1595     SetPen (m_pen);
1596     cairo_stroke( m_cairo );
1597
1598     CalcBoundingBox( x, y );
1599     CalcBoundingBox( x + width, y + height );
1600
1601     cairo_restore (m_cairo);
1602 }
1603
1604 #if wxUSE_SPLINES
1605 void wxGtkPrinterDCImpl::DoDrawSpline(const wxPointList *points)
1606 {
1607     SetPen (m_pen);
1608
1609     double c, d, x1, y1, x2, y2, x3, y3;
1610     wxPoint *p, *q;
1611
1612     wxPointList::compatibility_iterator node = points->GetFirst();
1613     p = node->GetData();
1614     x1 = p->x;
1615     y1 = p->y;
1616
1617     node = node->GetNext();
1618     p = node->GetData();
1619     c = p->x;
1620     d = p->y;
1621     x3 =
1622          (double)(x1 + c) / 2;
1623     y3 =
1624          (double)(y1 + d) / 2;
1625
1626     cairo_new_path( m_cairo );
1627     cairo_move_to( m_cairo, XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1) );
1628     cairo_line_to( m_cairo, XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1629
1630     CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1631     CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1632
1633     node = node->GetNext();
1634     while (node)
1635     {
1636         q = node->GetData();
1637
1638         x1 = x3;
1639         y1 = y3;
1640         x2 = c;
1641         y2 = d;
1642         c = q->x;
1643         d = q->y;
1644         x3 = (double)(x2 + c) / 2;
1645         y3 = (double)(y2 + d) / 2;
1646
1647         cairo_curve_to(m_cairo,
1648             XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1),
1649             XLOG2DEV((wxCoord)x2), YLOG2DEV((wxCoord)y2),
1650             XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1651
1652         CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1653         CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1654
1655         node = node->GetNext();
1656     }
1657
1658     cairo_line_to ( m_cairo, XLOG2DEV((wxCoord)c), YLOG2DEV((wxCoord)d) );
1659
1660     cairo_stroke( m_cairo );
1661 }
1662 #endif // wxUSE_SPLINES
1663
1664 bool wxGtkPrinterDCImpl::DoBlit(wxCoord xdest, wxCoord ydest,
1665                           wxCoord width, wxCoord height,
1666                           wxDC *source, wxCoord xsrc, wxCoord ysrc,
1667                           wxRasterOperationMode rop, bool useMask,
1668                           wxCoord WXUNUSED_UNLESS_DEBUG(xsrcMask),
1669                           wxCoord WXUNUSED_UNLESS_DEBUG(ysrcMask))
1670 {
1671     wxASSERT_MSG( xsrcMask == wxDefaultCoord && ysrcMask == wxDefaultCoord,
1672                   wxT("mask coordinates are not supported") );
1673
1674     wxCHECK_MSG( source, false, wxT("invalid source dc") );
1675
1676     // Blit into a bitmap.
1677     wxBitmap bitmap( width, height );
1678     wxMemoryDC memDC;
1679     memDC.SelectObject(bitmap);
1680     memDC.Blit(0, 0, width, height, source, xsrc, ysrc, rop);
1681     memDC.SelectObject(wxNullBitmap);
1682
1683     // Draw bitmap. scaling and positioning is done there.
1684     GetOwner()->DrawBitmap( bitmap, xdest, ydest, useMask );
1685
1686     return true;
1687 }
1688
1689 void wxGtkPrinterDCImpl::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y )
1690 {
1691     DoDrawBitmap( icon, x, y, true );
1692 }
1693
1694 void wxGtkPrinterDCImpl::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask )
1695 {
1696     wxCHECK_RET( bitmap.IsOk(), wxT("Invalid bitmap in wxGtkPrinterDCImpl::DoDrawBitmap"));
1697
1698     x = wxCoord(XLOG2DEV(x));
1699     y = wxCoord(YLOG2DEV(y));
1700     int bw = bitmap.GetWidth();
1701     int bh = bitmap.GetHeight();
1702     wxBitmap bmpSource = bitmap;  // we need a non-const instance.
1703     if (!useMask && !bitmap.HasPixbuf() && bitmap.GetMask())
1704         bmpSource.SetMask(NULL);
1705
1706     cairo_save(m_cairo);
1707
1708     // Prepare to draw the image.
1709     cairo_translate(m_cairo, x, y);
1710
1711     // Scale the image
1712     wxDouble scaleX = (wxDouble) XLOG2DEVREL(bw) / (wxDouble) bw;
1713     wxDouble scaleY = (wxDouble) YLOG2DEVREL(bh) / (wxDouble) bh;
1714     cairo_scale(m_cairo, scaleX, scaleY);
1715
1716     gdk_cairo_set_source_pixbuf(m_cairo, bmpSource.GetPixbuf(), 0, 0);
1717     cairo_pattern_set_filter(cairo_get_source(m_cairo), CAIRO_FILTER_NEAREST);
1718     // Use the original size here since the context is scaled already.
1719     cairo_rectangle(m_cairo, 0, 0, bw, bh);
1720     // Fill the rectangle using the pattern.
1721     cairo_fill(m_cairo);
1722
1723     CalcBoundingBox(0,0);
1724     CalcBoundingBox(bw,bh);
1725
1726     cairo_restore(m_cairo);
1727 }
1728
1729 void wxGtkPrinterDCImpl::DoDrawText(const wxString& text, wxCoord x, wxCoord y )
1730 {
1731     DoDrawRotatedText( text, x, y, 0.0 );
1732 }
1733
1734 void wxGtkPrinterDCImpl::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
1735 {
1736     double xx = XLOG2DEV(x);
1737     double yy = YLOG2DEV(y);
1738
1739     angle = -angle;
1740
1741     const wxScopedCharBuffer data = text.utf8_str();
1742
1743     size_t datalen = strlen(data);
1744     pango_layout_set_text( m_layout, data, datalen);
1745
1746     const bool
1747       setAttrs = wxGTKPrivate::SetPangoAttrsForFont(m_font, m_layout, datalen);
1748     if (m_textForegroundColour.IsOk())
1749     {
1750         unsigned char red = m_textForegroundColour.Red();
1751         unsigned char blue = m_textForegroundColour.Blue();
1752         unsigned char green = m_textForegroundColour.Green();
1753         unsigned char alpha = m_textForegroundColour.Alpha();
1754
1755         if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue && alpha == m_currentAlpha))
1756         {
1757             double redPS = (double)(red) / 255.0;
1758             double bluePS = (double)(blue) / 255.0;
1759             double greenPS = (double)(green) / 255.0;
1760             double alphaPS = (double)(alpha) / 255.0;
1761
1762             cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1763
1764             m_currentRed = red;
1765             m_currentBlue = blue;
1766             m_currentGreen = green;
1767             m_currentAlpha = alpha;
1768         }
1769     }
1770
1771     // Draw layout.
1772     cairo_move_to (m_cairo, xx, yy);
1773
1774     cairo_save( m_cairo );
1775
1776     if (fabs(angle) > 0.00001)
1777         cairo_rotate( m_cairo, angle*DEG2RAD );
1778
1779     cairo_scale(m_cairo, m_scaleX, m_scaleY);
1780
1781     int w,h;
1782     pango_layout_get_pixel_size( m_layout, &w, &h );
1783
1784     if ( m_backgroundMode == wxBRUSHSTYLE_SOLID )
1785     {
1786         unsigned char red = m_textBackgroundColour.Red();
1787         unsigned char blue = m_textBackgroundColour.Blue();
1788         unsigned char green = m_textBackgroundColour.Green();
1789         unsigned char alpha = m_textBackgroundColour.Alpha();
1790
1791         double redPS = (double)(red) / 255.0;
1792         double bluePS = (double)(blue) / 255.0;
1793         double greenPS = (double)(green) / 255.0;
1794         double alphaPS = (double)(alpha) / 255.0;
1795
1796         cairo_save(m_cairo);
1797         cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1798         cairo_rectangle(m_cairo, 0, 0, w, h);   // still in cairo units
1799         cairo_fill(m_cairo);
1800         cairo_restore(m_cairo);
1801     }
1802
1803     pango_cairo_update_layout (m_cairo, m_layout);
1804     pango_cairo_show_layout (m_cairo, m_layout);
1805
1806     cairo_restore( m_cairo );
1807
1808     if (setAttrs)
1809     {
1810         // Undo underline attributes setting
1811         pango_layout_set_attributes(m_layout, NULL);
1812     }
1813
1814     // Back to device units:
1815     CalcBoundingBox (x, y);
1816     CalcBoundingBox (x + w, y + h);
1817 }
1818
1819 void wxGtkPrinterDCImpl::Clear()
1820 {
1821 // Clear does nothing for printing, but keep the code
1822 // for later reuse
1823 /*
1824     cairo_save(m_cairo);
1825     cairo_set_operator (m_cairo, CAIRO_OPERATOR_SOURCE);
1826     SetBrush(m_backgroundBrush);
1827     cairo_paint(m_cairo);
1828     cairo_restore(m_cairo);
1829 */
1830 }
1831
1832 void wxGtkPrinterDCImpl::SetFont( const wxFont& font )
1833 {
1834     m_font = font;
1835
1836     if (m_font.IsOk())
1837     {
1838         if (m_fontdesc)
1839             pango_font_description_free( m_fontdesc );
1840
1841         m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description );
1842
1843         float size = pango_font_description_get_size( m_fontdesc );
1844         size = size * GetFontPointSizeAdjustment(72.0);
1845         pango_font_description_set_size( m_fontdesc, (gint)size );
1846
1847         pango_layout_set_font_description( m_layout, m_fontdesc );
1848     }
1849 }
1850
1851 void wxGtkPrinterDCImpl::SetPen( const wxPen& pen )
1852 {
1853     if (!pen.IsOk()) return;
1854
1855     m_pen = pen;
1856
1857     double width;
1858
1859     if (m_pen.GetWidth() <= 0)
1860         width = 0.1;
1861     else
1862         width = (double) m_pen.GetWidth();
1863
1864     cairo_set_line_width( m_cairo, width * m_DEV2PS * m_scaleX );
1865     static const double dotted[] = {2.0, 5.0};
1866     static const double short_dashed[] = {4.0, 4.0};
1867     static const double long_dashed[] = {4.0, 8.0};
1868     static const double dotted_dashed[] = {6.0, 6.0, 2.0, 6.0};
1869
1870     switch (m_pen.GetStyle())
1871     {
1872         case wxPENSTYLE_DOT:        cairo_set_dash( m_cairo, dotted, 2, 0 ); break;
1873         case wxPENSTYLE_SHORT_DASH: cairo_set_dash( m_cairo, short_dashed, 2, 0 ); break;
1874         case wxPENSTYLE_LONG_DASH:  cairo_set_dash( m_cairo, long_dashed, 2, 0 ); break;
1875         case wxPENSTYLE_DOT_DASH:   cairo_set_dash( m_cairo, dotted_dashed, 4, 0 );  break;
1876         case wxPENSTYLE_USER_DASH:
1877         {
1878             wxDash *wx_dashes;
1879             int num = m_pen.GetDashes (&wx_dashes);
1880             gdouble *g_dashes = g_new( gdouble, num );
1881             int i;
1882             for (i = 0; i < num; ++i)
1883                 g_dashes[i] = (gdouble) wx_dashes[i];
1884             cairo_set_dash( m_cairo, g_dashes, num, 0);
1885             g_free( g_dashes );
1886         }
1887         break;
1888         case wxPENSTYLE_SOLID:
1889         case wxPENSTYLE_TRANSPARENT:
1890         default:              cairo_set_dash( m_cairo, NULL, 0, 0 );   break;
1891     }
1892
1893     switch (m_pen.GetCap())
1894     {
1895         case wxCAP_PROJECTING:  cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_SQUARE); break;
1896         case wxCAP_BUTT:        cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_BUTT); break;
1897         case wxCAP_ROUND:
1898         default:                cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_ROUND); break;
1899     }
1900
1901     switch (m_pen.GetJoin())
1902     {
1903         case wxJOIN_BEVEL:  cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_BEVEL); break;
1904         case wxJOIN_MITER:  cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_MITER); break;
1905         case wxJOIN_ROUND:
1906         default:            cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_ROUND); break;
1907     }
1908
1909     unsigned char red = m_pen.GetColour().Red();
1910     unsigned char blue = m_pen.GetColour().Blue();
1911     unsigned char green = m_pen.GetColour().Green();
1912     unsigned char alpha = m_pen.GetColour().Alpha();
1913
1914     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue && alpha == m_currentAlpha))
1915     {
1916         double redPS = (double)(red) / 255.0;
1917         double bluePS = (double)(blue) / 255.0;
1918         double greenPS = (double)(green) / 255.0;
1919         double alphaPS = (double)(alpha) / 255.0;
1920
1921         cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1922
1923         m_currentRed = red;
1924         m_currentBlue = blue;
1925         m_currentGreen = green;
1926         m_currentAlpha = alpha;
1927     }
1928 }
1929
1930 void wxGtkPrinterDCImpl::SetBrush( const wxBrush& brush )
1931 {
1932     if (!brush.IsOk()) return;
1933
1934     m_brush = brush;
1935
1936     if (m_brush.GetStyle() == wxBRUSHSTYLE_TRANSPARENT)
1937     {
1938         cairo_set_source_rgba( m_cairo, 0, 0, 0, 0 );
1939         m_currentRed = 0;
1940         m_currentBlue = 0;
1941         m_currentGreen = 0;
1942         m_currentAlpha = 0;
1943         return;
1944     }
1945
1946     // Brush colour.
1947     unsigned char red = m_brush.GetColour().Red();
1948     unsigned char blue = m_brush.GetColour().Blue();
1949     unsigned char green = m_brush.GetColour().Green();
1950     unsigned char alpha = m_brush.GetColour().Alpha();
1951
1952     double redPS = (double)(red) / 255.0;
1953     double bluePS = (double)(blue) / 255.0;
1954     double greenPS = (double)(green) / 255.0;
1955     double alphaPS = (double)(alpha) / 255.0;
1956
1957     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue && alpha == m_currentAlpha))
1958     {
1959         cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1960
1961         m_currentRed = red;
1962         m_currentBlue = blue;
1963         m_currentGreen = green;
1964         m_currentAlpha = alpha;
1965     }
1966
1967     if (m_brush.IsHatch())
1968     {
1969         cairo_t * cr;
1970         cairo_surface_t *surface;
1971         surface = cairo_surface_create_similar(cairo_get_target(m_cairo),CAIRO_CONTENT_COLOR_ALPHA,10,10);
1972         cr = cairo_create(surface);
1973         cairo_set_line_cap(cr, CAIRO_LINE_CAP_SQUARE);
1974         cairo_set_line_width(cr, 1);
1975         cairo_set_line_join(cr,CAIRO_LINE_JOIN_MITER);
1976
1977         switch (m_brush.GetStyle())
1978         {
1979             case wxBRUSHSTYLE_CROSS_HATCH:
1980                 cairo_move_to(cr, 5, 0);
1981                 cairo_line_to(cr, 5, 10);
1982                 cairo_move_to(cr, 0, 5);
1983                 cairo_line_to(cr, 10, 5);
1984                 break;
1985             case wxBRUSHSTYLE_BDIAGONAL_HATCH:
1986                 cairo_move_to(cr, 0, 10);
1987                 cairo_line_to(cr, 10, 0);
1988                 break;
1989             case wxBRUSHSTYLE_FDIAGONAL_HATCH:
1990                 cairo_move_to(cr, 0, 0);
1991                 cairo_line_to(cr, 10, 10);
1992                 break;
1993             case wxBRUSHSTYLE_CROSSDIAG_HATCH:
1994                 cairo_move_to(cr, 0, 0);
1995                 cairo_line_to(cr, 10, 10);
1996                 cairo_move_to(cr, 10, 0);
1997                 cairo_line_to(cr, 0, 10);
1998                 break;
1999             case wxBRUSHSTYLE_HORIZONTAL_HATCH:
2000                 cairo_move_to(cr, 0, 5);
2001                 cairo_line_to(cr, 10, 5);
2002                 break;
2003             case wxBRUSHSTYLE_VERTICAL_HATCH:
2004                 cairo_move_to(cr, 5, 0);
2005                 cairo_line_to(cr, 5, 10);
2006                 break;
2007             default:
2008                 wxFAIL_MSG(_("Couldn't get hatch style from wxBrush."));
2009         }
2010
2011         cairo_set_source_rgba(cr, redPS, greenPS, bluePS, alphaPS);
2012         cairo_stroke (cr);
2013
2014         cairo_destroy(cr);
2015         cairo_pattern_t * pattern = cairo_pattern_create_for_surface (surface);
2016         cairo_surface_destroy(surface);
2017         cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT);
2018         cairo_set_source(m_cairo, pattern);
2019         cairo_pattern_destroy(pattern);
2020     }
2021 }
2022
2023 void wxGtkPrinterDCImpl::SetLogicalFunction( wxRasterOperationMode function )
2024 {
2025     if (function == wxCLEAR)
2026         cairo_set_operator (m_cairo, CAIRO_OPERATOR_CLEAR);
2027     else if (function == wxOR)
2028         cairo_set_operator (m_cairo, CAIRO_OPERATOR_OUT);
2029     else if (function == wxNO_OP)
2030         cairo_set_operator (m_cairo, CAIRO_OPERATOR_DEST);
2031     else if (function == wxAND)
2032         cairo_set_operator (m_cairo, CAIRO_OPERATOR_ADD);
2033     else if (function == wxSET)
2034         cairo_set_operator (m_cairo, CAIRO_OPERATOR_SATURATE);
2035     else if (function == wxXOR)
2036         cairo_set_operator (m_cairo, CAIRO_OPERATOR_XOR);
2037     else // wxCOPY or anything else.
2038         cairo_set_operator (m_cairo, CAIRO_OPERATOR_SOURCE);
2039 }
2040
2041 void wxGtkPrinterDCImpl::SetBackground( const wxBrush& brush )
2042 {
2043     m_backgroundBrush = brush;
2044     cairo_save(m_cairo);
2045     cairo_set_operator (m_cairo, CAIRO_OPERATOR_DEST_OVER);
2046
2047     SetBrush(m_backgroundBrush);
2048     cairo_paint(m_cairo);
2049     cairo_restore(m_cairo);
2050 }
2051
2052 void wxGtkPrinterDCImpl::SetBackgroundMode(int mode)
2053 {
2054     if (mode == wxBRUSHSTYLE_SOLID)
2055         m_backgroundMode = wxBRUSHSTYLE_SOLID;
2056     else
2057         m_backgroundMode = wxBRUSHSTYLE_TRANSPARENT;
2058 }
2059
2060 void wxGtkPrinterDCImpl::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
2061 {
2062     cairo_rectangle ( m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(width), YLOG2DEVREL(height));
2063     cairo_clip(m_cairo);
2064 }
2065
2066 void wxGtkPrinterDCImpl::DestroyClippingRegion()
2067 {
2068     cairo_reset_clip(m_cairo);
2069 }
2070
2071 bool wxGtkPrinterDCImpl::StartDoc(const wxString& WXUNUSED(message))
2072 {
2073     return true;
2074 }
2075
2076 void wxGtkPrinterDCImpl::EndDoc()
2077 {
2078     return;
2079 }
2080
2081 void wxGtkPrinterDCImpl::StartPage()
2082 {
2083     return;
2084 }
2085
2086 void wxGtkPrinterDCImpl::EndPage()
2087 {
2088     return;
2089 }
2090
2091 wxCoord wxGtkPrinterDCImpl::GetCharHeight() const
2092 {
2093     pango_layout_set_text( m_layout, "H", 1 );
2094
2095     int w,h;
2096     pango_layout_get_pixel_size( m_layout, &w, &h );
2097
2098     return wxRound( h * m_PS2DEV );
2099 }
2100
2101 wxCoord wxGtkPrinterDCImpl::GetCharWidth() const
2102 {
2103     pango_layout_set_text( m_layout, "H", 1 );
2104
2105     int w,h;
2106     pango_layout_get_pixel_size( m_layout, &w, &h );
2107
2108     return wxRound( w * m_PS2DEV );
2109 }
2110
2111 void wxGtkPrinterDCImpl::DoGetTextExtent(const wxString& string, wxCoord *width, wxCoord *height,
2112                      wxCoord *descent,
2113                      wxCoord *externalLeading,
2114                      const wxFont *theFont ) const
2115 {
2116     if ( width )
2117         *width = 0;
2118     if ( height )
2119         *height = 0;
2120     if ( descent )
2121         *descent = 0;
2122     if ( externalLeading )
2123         *externalLeading = 0;
2124
2125     if (string.empty())
2126     {
2127         return;
2128     }
2129
2130     cairo_save( m_cairo );
2131     cairo_scale(m_cairo, m_scaleX, m_scaleY);
2132
2133     // Set layout's text
2134     const wxScopedCharBuffer dataUTF8 = string.utf8_str();
2135
2136     gint oldSize=0;
2137     if ( theFont )
2138     {
2139         // scale the font and apply it
2140         PangoFontDescription *desc = theFont->GetNativeFontInfo()->description;
2141         oldSize = pango_font_description_get_size(desc);
2142         const float size = oldSize * GetFontPointSizeAdjustment(72.0);
2143         pango_font_description_set_size(desc, (gint)size);
2144
2145         pango_layout_set_font_description(m_layout, desc);
2146     }
2147
2148     pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
2149
2150     int h;
2151     pango_layout_get_pixel_size( m_layout, width, &h );
2152     if ( height )
2153         *height = h;
2154
2155     if (descent)
2156     {
2157         PangoLayoutIter *iter = pango_layout_get_iter(m_layout);
2158         int baseline = pango_layout_iter_get_baseline(iter);
2159         pango_layout_iter_free(iter);
2160         *descent = h - PANGO_PIXELS(baseline);
2161     }
2162
2163     if ( theFont )
2164     {
2165         // restore font and reset font's size back
2166         pango_layout_set_font_description(m_layout, m_fontdesc);
2167
2168         PangoFontDescription *desc = theFont->GetNativeFontInfo()->description;
2169         pango_font_description_set_size(desc, oldSize);
2170     }
2171
2172     cairo_restore( m_cairo );
2173 }
2174
2175 void wxGtkPrinterDCImpl::DoGetSize(int* width, int* height) const
2176 {
2177     GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc );
2178
2179     if (width)
2180         *width = wxRound( (double)gtk_page_setup_get_paper_width( setup, GTK_UNIT_POINTS ) * (double)m_resolution / 72.0 );
2181     if (height)
2182         *height = wxRound( (double)gtk_page_setup_get_paper_height( setup, GTK_UNIT_POINTS ) * (double)m_resolution / 72.0 );
2183 }
2184
2185 void wxGtkPrinterDCImpl::DoGetSizeMM(int *width, int *height) const
2186 {
2187     GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc );
2188
2189     if (width)
2190         *width = wxRound( gtk_page_setup_get_paper_width( setup, GTK_UNIT_MM ) );
2191     if (height)
2192         *height = wxRound( gtk_page_setup_get_paper_height( setup, GTK_UNIT_MM ) );
2193 }
2194
2195 wxSize wxGtkPrinterDCImpl::GetPPI() const
2196 {
2197     return wxSize( (int)m_resolution, (int)m_resolution );
2198 }
2199
2200 void wxGtkPrinterDCImpl::SetPrintData(const wxPrintData& data)
2201 {
2202     m_printData = data;
2203 }
2204
2205 // overridden for wxPrinterDC Impl
2206
2207 wxRect wxGtkPrinterDCImpl::GetPaperRect() const
2208 {
2209     // Does GtkPrint support printer margins?
2210     int w = 0;
2211     int h = 0;
2212     DoGetSize( &w, &h );
2213     return wxRect( 0,0,w,h );
2214 }
2215
2216 int wxGtkPrinterDCImpl::GetResolution() const
2217 {
2218     return m_resolution;
2219 }
2220
2221 // ----------------------------------------------------------------------------
2222 // Print preview
2223 // ----------------------------------------------------------------------------
2224
2225 IMPLEMENT_CLASS(wxGtkPrintPreview, wxPrintPreviewBase)
2226
2227 void wxGtkPrintPreview::Init(wxPrintout * WXUNUSED(printout),
2228                              wxPrintout * WXUNUSED(printoutForPrinting),
2229                              wxPrintData *data)
2230 {
2231     // convert wxPrintQuality to resolution (input pointer can be NULL)
2232     wxPrintQuality quality = data ? data->GetQuality() : wxPRINT_QUALITY_MEDIUM;
2233     switch ( quality )
2234     {
2235         case wxPRINT_QUALITY_HIGH:
2236             m_resolution = 1200;
2237             break;
2238
2239         case wxPRINT_QUALITY_LOW:
2240             m_resolution = 300;
2241             break;
2242
2243         case wxPRINT_QUALITY_DRAFT:
2244             m_resolution = 150;
2245             break;
2246
2247         default:
2248             if ( quality > 0 )
2249             {
2250                 // positive values directly indicate print resolution
2251                 m_resolution = quality;
2252                 break;
2253             }
2254
2255             wxFAIL_MSG( "unknown print quality" );
2256             // fall through
2257
2258         case wxPRINT_QUALITY_MEDIUM:
2259             m_resolution = 600;
2260             break;
2261
2262     }
2263
2264     DetermineScaling();
2265 }
2266
2267 wxGtkPrintPreview::wxGtkPrintPreview(wxPrintout *printout,
2268                                      wxPrintout *printoutForPrinting,
2269                                      wxPrintDialogData *data)
2270                  : wxPrintPreviewBase(printout, printoutForPrinting, data)
2271 {
2272     Init(printout, printoutForPrinting, data ? &data->GetPrintData() : NULL);
2273 }
2274
2275 wxGtkPrintPreview::wxGtkPrintPreview(wxPrintout *printout,
2276                                      wxPrintout *printoutForPrinting,
2277                                      wxPrintData *data)
2278                  : wxPrintPreviewBase(printout, printoutForPrinting, data)
2279 {
2280     Init(printout, printoutForPrinting, data);
2281 }
2282
2283 wxGtkPrintPreview::~wxGtkPrintPreview()
2284 {
2285 }
2286
2287 bool wxGtkPrintPreview::Print(bool interactive)
2288 {
2289     if (!m_printPrintout)
2290         return false;
2291
2292     wxPrinter printer(& m_printDialogData);
2293     return printer.Print(m_previewFrame, m_printPrintout, interactive);
2294 }
2295
2296 void wxGtkPrintPreview::DetermineScaling()
2297 {
2298     wxPaperSize paperType = m_printDialogData.GetPrintData().GetPaperId();
2299
2300     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType);
2301     if (!paper)
2302         paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
2303
2304     if (paper)
2305     {
2306         const wxSize screenPPI = wxGetDisplayPPI();
2307         int logPPIScreenX = screenPPI.GetWidth();
2308         int logPPIScreenY = screenPPI.GetHeight();
2309         int logPPIPrinterX = m_resolution;
2310         int logPPIPrinterY = m_resolution;
2311
2312         m_previewPrintout->SetPPIScreen( logPPIScreenX, logPPIScreenY );
2313         m_previewPrintout->SetPPIPrinter( logPPIPrinterX, logPPIPrinterY );
2314
2315         // Get width and height in points (1/72th of an inch)
2316         wxSize sizeDevUnits(paper->GetSizeDeviceUnits());
2317         sizeDevUnits.x = wxRound((double)sizeDevUnits.x * (double)m_resolution / 72.0);
2318         sizeDevUnits.y = wxRound((double)sizeDevUnits.y * (double)m_resolution / 72.0);
2319
2320         wxSize sizeTenthsMM(paper->GetSize());
2321         wxSize sizeMM(sizeTenthsMM.x / 10, sizeTenthsMM.y / 10);
2322
2323         // If in landscape mode, we need to swap the width and height.
2324         if ( m_printDialogData.GetPrintData().GetOrientation() == wxLANDSCAPE )
2325         {
2326             m_pageWidth = sizeDevUnits.y;
2327             m_pageHeight = sizeDevUnits.x;
2328             m_previewPrintout->SetPageSizeMM(sizeMM.y, sizeMM.x);
2329         }
2330         else
2331         {
2332             m_pageWidth = sizeDevUnits.x;
2333             m_pageHeight = sizeDevUnits.y;
2334             m_previewPrintout->SetPageSizeMM(sizeMM.x, sizeMM.y);
2335         }
2336         m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
2337         m_previewPrintout->SetPaperRectPixels(wxRect(0, 0, m_pageWidth, m_pageHeight));
2338
2339         // At 100%, the page should look about page-size on the screen.
2340         m_previewScaleX = float(logPPIScreenX) / logPPIPrinterX;
2341         m_previewScaleY = float(logPPIScreenY) / logPPIPrinterY;
2342     }
2343 }
2344
2345 #endif
2346      // wxUSE_GTKPRINT