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/dynlib.h"
  35 #include "wx/paper.h"
  36
  37 #include <gtk/gtk.h>
  38
  39 #if GTK_CHECK_VERSION(2,14,0)
  40 #include <gtk/gtkunixprint.h>
  41 #else
  42 #include <gtk/gtkpagesetupunixdialog.h>
  43 #endif
  44
  45
  46 #if wxUSE_GRAPHICS_CONTEXT
  47 #include "wx/graphics.h"
  48 #endif
  49
  50 #include "wx/link.h"
  51 wxFORCE_LINK_THIS_MODULE(gtk_print)
  52
  53 #if wxUSE_LIBGNOMEPRINT
  54 #include "wx/gtk/gnome/gprint.h"
  55 #endif
  56
  57 #include "wx/gtk/private/object.h"
  58
  59 // Useful to convert angles from/to Rad to/from Deg.
  60 static const double RAD2DEG  = 180.0 / M_PI;
  61 static const double DEG2RAD  = M_PI / 180.0;
  62
  63 //----------------------------------------------------------------------------
  64 // wxGtkPrintModule
  65 // Initialized when starting the app : if it successfully load the gtk-print framework,
  66 // it uses it. If not, it falls back to gnome print (see /gtk/gnome/gprint.cpp) then
  67 // to postscript if gnomeprint is not available.
  68 //----------------------------------------------------------------------------
  69
  70 class wxGtkPrintModule: public wxModule
  71 {
  72 public:
  73     wxGtkPrintModule()
  74     {
  75 #if wxUSE_LIBGNOMEPRINT
  76         // This module must be initialized AFTER gnomeprint's one
  77         AddDependency(CLASSINFO(wxGnomePrintModule));
  78 #endif
  79     }
  80     bool OnInit();
  81     void OnExit() {}
  82
  83 private:
  84     DECLARE_DYNAMIC_CLASS(wxGtkPrintModule)
  85 };
  86
  87 bool wxGtkPrintModule::OnInit()
  88 {
  89     if (gtk_check_version(2,10,0) == NULL)
  90         wxPrintFactory::SetPrintFactory( new wxGtkPrintFactory );
  91     return true;
  92 }
  93
  94 IMPLEMENT_DYNAMIC_CLASS(wxGtkPrintModule, wxModule)
  95
  96 //----------------------------------------------------------------------------
  97 // wxGtkPrintFactory
  98 //----------------------------------------------------------------------------
  99
 100 wxPrinterBase* wxGtkPrintFactory::CreatePrinter( wxPrintDialogData *data )
 101 {
 102     return new wxGtkPrinter( data );
 103 }
 104
 105 wxPrintPreviewBase *wxGtkPrintFactory::CreatePrintPreview( wxPrintout *preview,
 106                                                     wxPrintout *printout,
 107                                                     wxPrintDialogData *data )
 108 {
 109     return new wxGtkPrintPreview( preview, printout, data );
 110 }
 111
 112 wxPrintPreviewBase *wxGtkPrintFactory::CreatePrintPreview( wxPrintout *preview,
 113                                                     wxPrintout *printout,
 114                                                     wxPrintData *data )
 115 {
 116     return new wxGtkPrintPreview( preview, printout, data );
 117 }
 118
 119 wxPrintDialogBase *wxGtkPrintFactory::CreatePrintDialog( wxWindow *parent,
 120                                                   wxPrintDialogData *data )
 121 {
 122     return new wxGtkPrintDialog( parent, data );
 123 }
 124
 125 wxPrintDialogBase *wxGtkPrintFactory::CreatePrintDialog( wxWindow *parent,
 126                                                   wxPrintData *data )
 127 {
 128     return new wxGtkPrintDialog( parent, data );
 129 }
 130
 131 wxPageSetupDialogBase *wxGtkPrintFactory::CreatePageSetupDialog( wxWindow *parent,
 132                                                           wxPageSetupDialogData * data )
 133 {
 134     return new wxGtkPageSetupDialog( parent, data );
 135 }
 136
 137 bool wxGtkPrintFactory::HasPrintSetupDialog()
 138 {
 139     return false;
 140 }
 141
 142 wxDialog *
 143 wxGtkPrintFactory::CreatePrintSetupDialog(wxWindow * WXUNUSED(parent),
 144                                           wxPrintData * WXUNUSED(data))
 145 {
 146     return NULL;
 147 }
 148
 149 wxDCImpl* wxGtkPrintFactory::CreatePrinterDCImpl( wxPrinterDC *owner, const wxPrintData& data )
 150 {
 151     return new wxGtkPrinterDCImpl( owner, data );
 152 }
 153
 154 bool wxGtkPrintFactory::HasOwnPrintToFile()
 155 {
 156     return true;
 157 }
 158
 159 bool wxGtkPrintFactory::HasPrinterLine()
 160 {
 161     return true;
 162 }
 163
 164 wxString wxGtkPrintFactory::CreatePrinterLine()
 165 {
 166     // redundant now
 167     return wxEmptyString;
 168 }
 169
 170 bool wxGtkPrintFactory::HasStatusLine()
 171 {
 172     // redundant now
 173     return true;
 174 }
 175
 176 wxString wxGtkPrintFactory::CreateStatusLine()
 177 {
 178     // redundant now
 179     return wxEmptyString;
 180 }
 181
 182 wxPrintNativeDataBase *wxGtkPrintFactory::CreatePrintNativeData()
 183 {
 184     return new wxGtkPrintNativeData;
 185 }
 186
 187 //----------------------------------------------------------------------------
 188 // Callback functions for Gtk Printings.
 189 //----------------------------------------------------------------------------
 190
 191 // We use it to pass useful objects to GTK printing callback functions.
 192 struct wxPrinterToGtkData
 193 {
 194    wxGtkPrinter * printer;
 195    wxPrintout * printout;
 196 };
 197
 198 extern "C"
 199 {
 200     static void gtk_begin_print_callback (GtkPrintOperation *operation, GtkPrintContext *context, gpointer user_data)
 201     {
 202         wxPrinterToGtkData *data = (wxPrinterToGtkData *) user_data;
 203
 204         data->printer->BeginPrint(data->printout, operation, context);
 205     }
 206
 207     static void gtk_draw_page_print_callback (GtkPrintOperation *operation, GtkPrintContext *context, gint page_nr, gpointer user_data)
 208     {
 209         wxPrinterToGtkData *data = (wxPrinterToGtkData *) user_data;
 210
 211         data->printer->DrawPage(data->printout, operation, context, page_nr);
 212     }
 213
 214     static void gtk_end_print_callback(GtkPrintOperation * WXUNUSED(operation),
 215                                        GtkPrintContext * WXUNUSED(context),
 216                                        gpointer user_data)
 217     {
 218         wxPrintout *printout = (wxPrintout *) user_data;
 219
 220         printout->OnEndPrinting();
 221     }
 222 }
 223
 224 //----------------------------------------------------------------------------
 225 // wxGtkPrintNativeData
 226 //----------------------------------------------------------------------------
 227
 228 IMPLEMENT_CLASS(wxGtkPrintNativeData, wxPrintNativeDataBase)
 229
 230 wxGtkPrintNativeData::wxGtkPrintNativeData()
 231 {
 232     m_config = gtk_print_settings_new();
 233     m_job = gtk_print_operation_new();
 234     m_context = NULL;
 235 }
 236
 237 wxGtkPrintNativeData::~wxGtkPrintNativeData()
 238 {
 239     g_object_unref(m_job);
 240     g_object_unref(m_config);
 241 }
 242
 243 // Convert datas stored in m_config to a wxPrintData.
 244 // Called by wxPrintData::ConvertFromNative().
 245 bool wxGtkPrintNativeData::TransferTo( wxPrintData &data )
 246 {
 247     if(!m_config)
 248         return false;
 249
 250     int resolution = gtk_print_settings_get_resolution(m_config);
 251     if ( resolution > 0 )
 252     {
 253         // if resolution is explicitly set, use it
 254         data.SetQuality(resolution);
 255     }
 256     else // use more vague "quality"
 257     {
 258         GtkPrintQuality quality = gtk_print_settings_get_quality(m_config);
 259         if (quality == GTK_PRINT_QUALITY_HIGH)
 260             data.SetQuality(wxPRINT_QUALITY_HIGH);
 261         else if (quality == GTK_PRINT_QUALITY_LOW)
 262             data.SetQuality(wxPRINT_QUALITY_LOW);
 263         else if (quality == GTK_PRINT_QUALITY_DRAFT)
 264             data.SetQuality(wxPRINT_QUALITY_DRAFT);
 265         else
 266             data.SetQuality(wxPRINT_QUALITY_MEDIUM);
 267     }
 268
 269     data.SetNoCopies(gtk_print_settings_get_n_copies(m_config));
 270
 271     data.SetColour(gtk_print_settings_get_use_color(m_config));
 272
 273     switch (gtk_print_settings_get_duplex(m_config))
 274     {
 275         case GTK_PRINT_DUPLEX_SIMPLEX:      data.SetDuplex (wxDUPLEX_SIMPLEX);
 276                                             break;
 277
 278         case GTK_PRINT_DUPLEX_HORIZONTAL:   data.SetDuplex (wxDUPLEX_HORIZONTAL);
 279                                             break;
 280
 281         default:
 282         case GTK_PRINT_DUPLEX_VERTICAL:      data.SetDuplex (wxDUPLEX_VERTICAL);
 283                                             break;
 284     }
 285
 286     GtkPageOrientation orientation = gtk_print_settings_get_orientation (m_config);
 287     if (orientation == GTK_PAGE_ORIENTATION_PORTRAIT)
 288     {
 289         data.SetOrientation(wxPORTRAIT);
 290         data.SetOrientationReversed(false);
 291     }
 292     else if (orientation == GTK_PAGE_ORIENTATION_LANDSCAPE)
 293     {
 294         data.SetOrientation(wxLANDSCAPE);
 295         data.SetOrientationReversed(false);
 296     }
 297     else if (orientation == GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT)
 298     {
 299         data.SetOrientation(wxPORTRAIT);
 300         data.SetOrientationReversed(true);
 301     }
 302     else if (orientation == GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE)
 303     {
 304         data.SetOrientation(wxLANDSCAPE);
 305         data.SetOrientationReversed(true);
 306     }
 307
 308     data.SetCollate(gtk_print_settings_get_collate (m_config));
 309
 310     // Paper formats : these are the most common paper formats.
 311     GtkPaperSize *paper_size = gtk_print_settings_get_paper_size (m_config);
 312     if (!paper_size)
 313         data.SetPaperId(wxPAPER_NONE);
 314     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_A3)))
 315         data.SetPaperId(wxPAPER_A3);
 316     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_A4)))
 317         data.SetPaperId(wxPAPER_A4);
 318     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_A5)))
 319         data.SetPaperId(wxPAPER_A5);
 320     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_B5)))
 321         data.SetPaperId(wxPAPER_B5);
 322     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_LETTER)))
 323         data.SetPaperId(wxPAPER_LETTER);
 324     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_LEGAL)))
 325         data.SetPaperId(wxPAPER_LEGAL);
 326     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_EXECUTIVE)))
 327         data.SetPaperId(wxPAPER_EXECUTIVE);
 328     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"na_number-10")))
 329         data.SetPaperId(wxPAPER_ENV_10);
 330     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c5")))
 331         data.SetPaperId(wxPAPER_ENV_C5);
 332     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c6")))
 333         data.SetPaperId(wxPAPER_ENV_C6);
 334     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"jis-b5")))
 335         data.SetPaperId(wxPAPER_B5_TRANSVERSE);
 336     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b5")))
 337         data.SetPaperId(wxPAPER_ENV_B5);
 338     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"na_monarch")))
 339         data.SetPaperId(wxPAPER_ENV_MONARCH);
 340     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-c")))
 341         data.SetPaperId( wxPAPER_CSHEET);
 342     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-d")))
 343         data.SetPaperId( wxPAPER_DSHEET);
 344     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-e")))
 345         data.SetPaperId( wxPAPER_ESHEET);
 346     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"letter")))
 347         data.SetPaperId( wxPAPER_LETTERSMALL);
 348     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-b")))
 349         data.SetPaperId( wxPAPER_TABLOID);
 350     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"ledger")))
 351         data.SetPaperId( wxPAPER_LEDGER);
 352     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"statement")))
 353         data.SetPaperId( wxPAPER_STATEMENT);
 354     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( GTK_PAPER_NAME_A4 )))
 355         data.SetPaperId( wxPAPER_A4SMALL);
 356     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b4")))
 357         data.SetPaperId( wxPAPER_B4);
 358     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"folio")))
 359         data.SetPaperId( wxPAPER_FOLIO);
 360     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"quarto")))
 361         data.SetPaperId( wxPAPER_QUARTO);
 362     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"10x14")))
 363         data.SetPaperId( wxPAPER_10X14);
 364     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"ledger")))
 365         data.SetPaperId( wxPAPER_11X17);
 366     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"letter")))
 367         data.SetPaperId( wxPAPER_NOTE);
 368     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"na-number-9-envelope")))
 369         data.SetPaperId( wxPAPER_ENV_9);
 370     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"number-11")))
 371         data.SetPaperId( wxPAPER_ENV_11);
 372     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"number-12")))
 373         data.SetPaperId( wxPAPER_ENV_12);
 374     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"number-14")))
 375         data.SetPaperId( wxPAPER_ENV_14);
 376     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-designated")))
 377         data.SetPaperId( wxPAPER_ENV_DL);
 378     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c3")))
 379         data.SetPaperId( wxPAPER_ENV_C3);
 380     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c4")))
 381         data.SetPaperId( wxPAPER_ENV_C4);
 382     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"c6/c5")))
 383         data.SetPaperId( wxPAPER_ENV_C65);
 384     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b4")))
 385         data.SetPaperId( wxPAPER_ENV_B4);
 386     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b6")))
 387             data.SetPaperId( wxPAPER_ENV_B6);
 388     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"Italian")))
 389         data.SetPaperId( wxPAPER_ENV_ITALY);
 390     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"personal")))
 391         data.SetPaperId( wxPAPER_ENV_PERSONAL);
 392     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"fanfold-us")))
 393         data.SetPaperId( wxPAPER_FANFOLD_US);
 394     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"fanfold-European")))
 395         data.SetPaperId( wxPAPER_FANFOLD_STD_GERMAN);
 396     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"foolscap")))
 397         data.SetPaperId( wxPAPER_FANFOLD_LGL_GERMAN);
 398     else
 399         data.SetPaperId(wxPAPER_NONE);
 400
 401     data.SetPrinterName(gtk_print_settings_get_printer(m_config));
 402
 403     return true;
 404 }
 405
 406 // Put datas given by the wxPrintData into m_config.
 407 // Called by wxPrintData::ConvertToNative().
 408 bool wxGtkPrintNativeData::TransferFrom( const wxPrintData &data )
 409 {
 410     if(!m_config)
 411         return false;
 412
 413     wxPrintQuality quality = data.GetQuality();
 414     if (quality == wxPRINT_QUALITY_HIGH)
 415         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_HIGH);
 416     else if (quality == wxPRINT_QUALITY_MEDIUM)
 417         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_NORMAL);
 418     else if (quality == wxPRINT_QUALITY_LOW)
 419         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_LOW);
 420     else if (quality == wxPRINT_QUALITY_DRAFT)
 421         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_DRAFT);
 422     else if (quality > 1)
 423         gtk_print_settings_set_resolution (m_config, quality);
 424     else
 425         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_NORMAL);
 426
 427     gtk_print_settings_set_n_copies(m_config, data.GetNoCopies());
 428
 429     gtk_print_settings_set_use_color(m_config, data.GetColour());
 430
 431     switch (data.GetDuplex())
 432     {
 433         case wxDUPLEX_SIMPLEX:      gtk_print_settings_set_duplex (m_config, GTK_PRINT_DUPLEX_SIMPLEX);
 434                                 break;
 435
 436         case wxDUPLEX_HORIZONTAL:   gtk_print_settings_set_duplex (m_config, GTK_PRINT_DUPLEX_HORIZONTAL);
 437                                 break;
 438
 439         default:
 440         case wxDUPLEX_VERTICAL:      gtk_print_settings_set_duplex (m_config, GTK_PRINT_DUPLEX_VERTICAL);
 441                                 break;
 442     }
 443
 444     if (!data.IsOrientationReversed())
 445     {
 446         if (data.GetOrientation() == wxLANDSCAPE)
 447             gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_LANDSCAPE);
 448         else
 449             gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_PORTRAIT);
 450     }
 451     else {
 452         if (data.GetOrientation() == wxLANDSCAPE)
 453             gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE);
 454         else
 455             gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT);
 456     }
 457
 458     gtk_print_settings_set_collate (m_config, data.GetCollate());
 459
 460     // Paper formats: these are the most common paper formats.
 461     switch (data.GetPaperId())
 462     {
 463         case wxPAPER_A3:        gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A3));
 464                                 break;
 465         case wxPAPER_A4:        gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A4));
 466                                 break;
 467         case wxPAPER_A5:        gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A5));
 468                                 break;
 469         case wxPAPER_B5_TRANSVERSE:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "jis-b5"));
 470                                 break;
 471         case wxPAPER_B5:        gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_B5));
 472                                 break;
 473         case wxPAPER_LETTER:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_LETTER));
 474                                 break;
 475         case wxPAPER_LEGAL:     gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_LEGAL));
 476                                 break;
 477         case wxPAPER_EXECUTIVE: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_EXECUTIVE));
 478                                 break;
 479         case wxPAPER_ENV_10:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "na_number-10"));
 480                                 break;
 481         case wxPAPER_ENV_C5:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c5"));
 482                                 break;
 483         case wxPAPER_ENV_C6:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c6"));
 484                                 break;
 485         case wxPAPER_ENV_B5:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c5b5"));
 486                                 break;
 487         case wxPAPER_ENV_MONARCH:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "na_monarch"));
 488                                 break;
 489         case wxPAPER_CSHEET:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-c"));
 490                                 break;
 491         case wxPAPER_DSHEET:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-d"));
 492                                 break;
 493         case wxPAPER_ESHEET:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-e"));
 494                                 break;
 495         case wxPAPER_LETTERSMALL:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "letter"));
 496                                 break;
 497         case wxPAPER_TABLOID:   gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-b"));
 498                                 break;
 499         case wxPAPER_LEDGER:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "ledger"));
 500                                 break;
 501         case wxPAPER_STATEMENT:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "statement"));
 502                                 break;
 503         case wxPAPER_A4SMALL:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A4));
 504                                 break;
 505         case wxPAPER_B4:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-b4"));
 506                                 break;
 507         case wxPAPER_FOLIO:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "folio"));
 508                                 break;
 509         case wxPAPER_QUARTO:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "quarto"));
 510                                 break;
 511         case wxPAPER_10X14:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "10x14"));
 512                                 break;
 513         case wxPAPER_11X17:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "ledger"));
 514                                 break;
 515         case wxPAPER_NOTE:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "letter"));
 516                                 break;
 517         case wxPAPER_ENV_9:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "na-number-9-envelope"));
 518                                 break;
 519         case wxPAPER_ENV_11:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "number-11"));
 520                                 break;
 521         case wxPAPER_ENV_12:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "number-12"));
 522                                 break;
 523         case wxPAPER_ENV_14:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "number-14"));
 524                                 break;
 525         case wxPAPER_ENV_DL:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-designated"));
 526                                 break;
 527         case wxPAPER_ENV_C3:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c3"));
 528                                 break;
 529         case wxPAPER_ENV_C4:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c4"));
 530                                 break;
 531         case wxPAPER_ENV_C65:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "c6/c5"));
 532                                 break;
 533         case wxPAPER_ENV_B4:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-b4"));
 534                                 break;
 535         case wxPAPER_ENV_B6:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-b6"));
 536                                 break;
 537         case wxPAPER_ENV_ITALY:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "Italian"));
 538                                 break;
 539         case wxPAPER_ENV_PERSONAL:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "personal"));
 540                                 break;
 541         case wxPAPER_FANFOLD_US:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "fanfold-us"));
 542                                 break;
 543         case wxPAPER_FANFOLD_STD_GERMAN:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "fanfold-European"));
 544                                 break;
 545         case wxPAPER_FANFOLD_LGL_GERMAN:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "foolscap"));
 546                                 break;
 547         case wxPAPER_NONE:
 548         default:                break;
 549     }
 550
 551     gtk_print_settings_set_printer(m_config, data.GetPrinterName().utf8_str());
 552
 553     return true;
 554 }
 555
 556 void wxGtkPrintNativeData::SetPrintConfig( GtkPrintSettings * config )
 557 {
 558     if (config)
 559         m_config = gtk_print_settings_copy(config);
 560 }
 561
 562 // Extract page setup from settings.
 563 GtkPageSetup* wxGtkPrintNativeData::GetPageSetupFromSettings(GtkPrintSettings* settings)
 564 {
 565     GtkPageSetup* page_setup = gtk_page_setup_new();
 566     gtk_page_setup_set_orientation (page_setup, gtk_print_settings_get_orientation (settings));
 567
 568     GtkPaperSize *paper_size = gtk_print_settings_get_paper_size (settings);
 569     if (paper_size != NULL)
 570         gtk_page_setup_set_paper_size_and_default_margins (page_setup, paper_size);
 571
 572     return page_setup;
 573 }
 574
 575 // Insert page setup into a given GtkPrintSettings.
 576 void wxGtkPrintNativeData::SetPageSetupToSettings(GtkPrintSettings* settings, GtkPageSetup* page_setup)
 577 {
 578     gtk_print_settings_set_orientation ( settings, gtk_page_setup_get_orientation (page_setup));
 579     gtk_print_settings_set_paper_size ( settings, gtk_page_setup_get_paper_size (page_setup));
 580 }
 581
 582 //----------------------------------------------------------------------------
 583 // wxGtkPrintDialog
 584 //----------------------------------------------------------------------------
 585
 586 IMPLEMENT_CLASS(wxGtkPrintDialog, wxPrintDialogBase)
 587
 588 wxGtkPrintDialog::wxGtkPrintDialog( wxWindow *parent, wxPrintDialogData *data )
 589                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 590                                wxPoint(0, 0), wxSize(600, 600),
 591                                wxDEFAULT_DIALOG_STYLE |
 592                                wxTAB_TRAVERSAL)
 593 {
 594     if (data)
 595         m_printDialogData = *data;
 596
 597     m_parent = parent;
 598     SetShowDialog(true);
 599 }
 600
 601 wxGtkPrintDialog::wxGtkPrintDialog( wxWindow *parent, wxPrintData *data )
 602                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 603                                wxPoint(0, 0), wxSize(600, 600),
 604                                wxDEFAULT_DIALOG_STYLE |
 605                                wxTAB_TRAVERSAL)
 606 {
 607     if (data)
 608         m_printDialogData = *data;
 609
 610     m_parent = parent;
 611     SetShowDialog(true);
 612 }
 613
 614
 615 wxGtkPrintDialog::~wxGtkPrintDialog()
 616 {
 617 }
 618
 619 // This is called even if we actually don't want the dialog to appear.
 620 int wxGtkPrintDialog::ShowModal()
 621 {
 622     // We need to restore the settings given in the constructor.
 623     wxPrintData data = m_printDialogData.GetPrintData();
 624     wxGtkPrintNativeData *native =
 625       (wxGtkPrintNativeData*) data.GetNativeData();
 626     data.ConvertToNative();
 627
 628     GtkPrintSettings * settings = native->GetPrintConfig();
 629
 630     // We have to restore pages to print here because they're stored in a wxPrintDialogData and ConvertToNative only works for wxPrintData.
 631     int fromPage = m_printDialogData.GetFromPage();
 632     int toPage = m_printDialogData.GetToPage();
 633     if (m_printDialogData.GetSelection())
 634         gtk_print_settings_set_print_pages(settings, GTK_PRINT_PAGES_CURRENT);
 635     else if (m_printDialogData.GetAllPages())
 636         gtk_print_settings_set_print_pages(settings, GTK_PRINT_PAGES_ALL);
 637     else {
 638         gtk_print_settings_set_print_pages(settings, GTK_PRINT_PAGES_RANGES);
 639         GtkPageRange *range;
 640         range = g_new (GtkPageRange, 1);
 641         range[0].start = fromPage-1;
 642         range[0].end = (toPage >= fromPage) ? toPage-1 : fromPage-1;
 643         gtk_print_settings_set_page_ranges (settings, range, 1);
 644     }
 645
 646     GtkPrintOperation * const printOp = native->GetPrintJob();
 647
 648     // If the settings are OK, we restore it.
 649     if (settings != NULL)
 650         gtk_print_operation_set_print_settings (printOp, settings);
 651     gtk_print_operation_set_default_page_setup (printOp, native->GetPageSetupFromSettings(settings));
 652
 653     // Show the dialog if needed.
 654     GError* gError = NULL;
 655     GtkPrintOperationResult response = gtk_print_operation_run
 656                                        (
 657                                            printOp,
 658                                            GetShowDialog()
 659                                             ? GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG
 660                                             : GTK_PRINT_OPERATION_ACTION_PRINT,
 661                                            m_parent
 662                                             ? GTK_WINDOW(gtk_widget_get_toplevel(m_parent->m_widget))
 663                                             : NULL,
 664                                            &gError
 665                                        );
 666
 667     // Does everything went well?
 668     if (response == GTK_PRINT_OPERATION_RESULT_CANCEL)
 669     {
 670         return wxID_CANCEL;
 671     }
 672     else if (response == GTK_PRINT_OPERATION_RESULT_ERROR)
 673     {
 674         wxLogError(_("Error while printing: ") + wxString(gError ? gError->message : "???"));
 675         g_error_free (gError);
 676         return wxID_NO; // We use wxID_NO because there is no wxID_ERROR available
 677     }
 678
 679     // Now get the settings and save it.
 680     GtkPrintSettings* newSettings = gtk_print_operation_get_print_settings(printOp);
 681     native->SetPrintConfig(newSettings);
 682     data.ConvertFromNative();
 683
 684     // Set PrintDialogData variables
 685     m_printDialogData.SetPrintData(data);
 686     m_printDialogData.SetCollate(data.GetCollate());
 687     m_printDialogData.SetNoCopies(data.GetNoCopies());
 688     m_printDialogData.SetPrintToFile(data.GetPrinterName() == "Print to File");
 689
 690     // Same problem as a few lines before.
 691     switch (gtk_print_settings_get_print_pages(newSettings))
 692     {
 693         case GTK_PRINT_PAGES_CURRENT:
 694             m_printDialogData.SetSelection( true );
 695             break;
 696         case GTK_PRINT_PAGES_RANGES:
 697             {// wxWidgets doesn't support multiple ranges, so we can only save the first one even if the user wants to print others.
 698             // 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
 699             // will hit "OK" button. However we can only save 1-3 in the print data.
 700             gint num_ranges = 0;
 701             GtkPageRange* range;
 702             range = gtk_print_settings_get_page_ranges (newSettings, &num_ranges);
 703             if (num_ranges >= 1)
 704             {
 705                 m_printDialogData.SetFromPage( range[0].start );
 706                 m_printDialogData.SetToPage( range[0].end );
 707             }
 708             else {
 709                 m_printDialogData.SetAllPages( true );
 710                 m_printDialogData.SetFromPage( 0 );
 711                 m_printDialogData.SetToPage( 9999 );
 712             }
 713             break;}
 714         case GTK_PRINT_PAGES_ALL:
 715         default:
 716             m_printDialogData.SetAllPages( true );
 717             m_printDialogData.SetFromPage( 0 );
 718             m_printDialogData.SetToPage( 9999 );
 719             break;
 720     }
 721
 722     return wxID_OK;
 723 }
 724
 725 //----------------------------------------------------------------------------
 726 // wxGtkPageSetupDialog
 727 //----------------------------------------------------------------------------
 728
 729 IMPLEMENT_CLASS(wxGtkPageSetupDialog, wxPageSetupDialogBase)
 730
 731 wxGtkPageSetupDialog::wxGtkPageSetupDialog( wxWindow *parent,
 732                             wxPageSetupDialogData* data )
 733 {
 734     if (data)
 735         m_pageDialogData = *data;
 736
 737     m_parent = parent;
 738 }
 739
 740 wxGtkPageSetupDialog::~wxGtkPageSetupDialog()
 741 {
 742 }
 743
 744 int wxGtkPageSetupDialog::ShowModal()
 745 {
 746     // Get the config.
 747     m_pageDialogData.GetPrintData().ConvertToNative();
 748     wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) m_pageDialogData.GetPrintData().GetNativeData();
 749     GtkPrintSettings* nativeData = native->GetPrintConfig();
 750
 751     // We only need the pagesetup data which are part of the settings.
 752     GtkPageSetup* oldPageSetup = native->GetPageSetupFromSettings(nativeData);
 753
 754     // If the user used a custom paper format the last time he printed, we have to restore it too.
 755     if (m_pageDialogData.GetPrintData().GetPaperId() == wxPAPER_NONE)
 756     {
 757         wxSize customPaperSize = m_pageDialogData.GetPaperSize();
 758         if (customPaperSize.GetWidth() > 0 && customPaperSize.GetHeight() > 0)
 759         {
 760             wxString title = _("Custom size");
 761             GtkPaperSize* customSize = gtk_paper_size_new_custom ("custom", title.mb_str(), (gdouble) customPaperSize.GetWidth(), (gdouble) customPaperSize.GetHeight(), GTK_UNIT_MM);
 762             gtk_page_setup_set_paper_size_and_default_margins (oldPageSetup, customSize);
 763             g_object_unref(customSize);
 764         }
 765     }
 766
 767
 768     // Set selected printer
 769     gtk_print_settings_set(nativeData, "format-for-printer",
 770                            gtk_print_settings_get_printer(nativeData));
 771
 772     // Create custom dialog
 773     wxString title(GetTitle());
 774     if ( title.empty() )
 775         title = _("Page Setup");
 776     GtkWidget *
 777         dlg = gtk_page_setup_unix_dialog_new(title.utf8_str(),
 778                                              m_parent
 779                                                 ? GTK_WINDOW(m_parent->m_widget)
 780                                                 : NULL);
 781
 782     gtk_page_setup_unix_dialog_set_print_settings(
 783         GTK_PAGE_SETUP_UNIX_DIALOG(dlg), nativeData);
 784     gtk_page_setup_unix_dialog_set_page_setup(
 785         GTK_PAGE_SETUP_UNIX_DIALOG(dlg), oldPageSetup);
 786
 787     int result = gtk_dialog_run(GTK_DIALOG(dlg));
 788     gtk_widget_hide(dlg);
 789
 790     switch ( result )
 791     {
 792         case GTK_RESPONSE_OK:
 793         case GTK_RESPONSE_APPLY:
 794             {
 795                 // Store Selected Printer Name
 796                 gtk_print_settings_set_printer
 797                 (
 798                     nativeData,
 799                     gtk_print_settings_get(nativeData, "format-for-printer")
 800                 );
 801
 802                 wxGtkObject<GtkPageSetup>
 803                     newPageSetup(gtk_page_setup_unix_dialog_get_page_setup(
 804                                         GTK_PAGE_SETUP_UNIX_DIALOG(dlg)));
 805                 native->SetPageSetupToSettings(nativeData, newPageSetup);
 806
 807                 m_pageDialogData.GetPrintData().ConvertFromNative();
 808
 809                 // Store custom paper format if any.
 810                 if ( m_pageDialogData.GetPrintData().GetPaperId() == wxPAPER_NONE )
 811                 {
 812                     gdouble ml,mr,mt,mb,pw,ph;
 813                     ml = gtk_page_setup_get_left_margin (newPageSetup, GTK_UNIT_MM);
 814                     mr = gtk_page_setup_get_right_margin (newPageSetup, GTK_UNIT_MM);
 815                     mt = gtk_page_setup_get_top_margin (newPageSetup, GTK_UNIT_MM);
 816                     mb = gtk_page_setup_get_bottom_margin (newPageSetup, GTK_UNIT_MM);
 817
 818                     pw = gtk_page_setup_get_paper_width (newPageSetup, GTK_UNIT_MM);
 819                     ph = gtk_page_setup_get_paper_height (newPageSetup, GTK_UNIT_MM);
 820
 821                     m_pageDialogData.SetMarginTopLeft(wxPoint((int)(ml+0.5),
 822                                                               (int)(mt+0.5)));
 823                     m_pageDialogData.SetMarginBottomRight(wxPoint((int)(mr+0.5),
 824                                                                   (int)(mb+0.5)));
 825
 826                     m_pageDialogData.SetPaperSize(wxSize((int)(pw+0.5),
 827                                                          (int)(ph+0.5)));
 828                 }
 829
 830                 result = wxID_OK;
 831             }
 832             break;
 833
 834         default:
 835         case GTK_RESPONSE_CANCEL:
 836             result = wxID_CANCEL;
 837             break;
 838     }
 839
 840     gtk_widget_destroy(dlg);
 841
 842     return result;
 843 }
 844
 845 //----------------------------------------------------------------------------
 846 // wxGtkPrinter
 847 //----------------------------------------------------------------------------
 848
 849 IMPLEMENT_CLASS(wxGtkPrinter, wxPrinterBase)
 850
 851 wxGtkPrinter::wxGtkPrinter( wxPrintDialogData *data ) :
 852     wxPrinterBase( data )
 853 {
 854     m_gpc = NULL;
 855
 856     if (data)
 857         m_printDialogData = *data;
 858 }
 859
 860 wxGtkPrinter::~wxGtkPrinter()
 861 {
 862 }
 863
 864 bool wxGtkPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt )
 865 {
 866     if (!printout)
 867     {
 868         sm_lastError = wxPRINTER_ERROR;
 869         return false;
 870     }
 871
 872     // Let's correct the PageInfo just in case the app gives wrong values.
 873     int fromPage, toPage;
 874     int minPage, maxPage;
 875     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 876     m_printDialogData.SetAllPages(true);
 877
 878     if (minPage < 1) minPage = 1;
 879     if (maxPage < 1) maxPage = 9999;
 880     if (maxPage < minPage) maxPage = minPage;
 881
 882     m_printDialogData.SetMinPage(minPage);
 883     m_printDialogData.SetMaxPage(maxPage);
 884     if (fromPage != 0)
 885     {
 886         if (fromPage < minPage) fromPage = minPage;
 887         else if (fromPage > maxPage) fromPage = maxPage;
 888         m_printDialogData.SetFromPage(fromPage);
 889     }
 890     if (toPage != 0)
 891     {
 892         m_printDialogData.SetToPage(toPage);
 893         if (toPage > maxPage) toPage = maxPage;
 894         else if (toPage < minPage) toPage = minPage;
 895     }
 896
 897     if (((minPage != fromPage) && fromPage != 0) || ((maxPage != toPage) && toPage != 0)) m_printDialogData.SetAllPages(false);
 898
 899
 900     wxPrintData printdata = GetPrintDialogData().GetPrintData();
 901     wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) printdata.GetNativeData();
 902
 903     GtkPrintOperation * const printOp = native->GetPrintJob();
 904
 905     wxPrinterToGtkData dataToSend;
 906     dataToSend.printer = this;
 907     dataToSend.printout = printout;
 908
 909     // These Gtk signals are caught here.
 910     g_signal_connect (printOp, "begin-print", G_CALLBACK (gtk_begin_print_callback), &dataToSend);
 911     g_signal_connect (printOp, "draw-page", G_CALLBACK (gtk_draw_page_print_callback), &dataToSend);
 912     g_signal_connect (printOp, "end-print", G_CALLBACK (gtk_end_print_callback), printout);
 913
 914     // This is used to setup the DC and
 915     // show the dialog if desired
 916     wxGtkPrintDialog dialog( parent, &m_printDialogData );
 917     dialog.SetPrintDC(m_dc);
 918     dialog.SetShowDialog(prompt);
 919
 920     // doesn't necessarily show
 921     int ret = dialog.ShowModal();
 922     if (ret == wxID_CANCEL)
 923     {
 924         sm_lastError = wxPRINTER_CANCELLED;
 925     }
 926     if (ret == wxID_NO)
 927     {
 928         sm_lastError = wxPRINTER_ERROR;
 929         wxFAIL_MSG(_("The print dialog returned an error."));
 930     }
 931
 932     return (sm_lastError == wxPRINTER_NO_ERROR);
 933 }
 934
 935 void wxGtkPrinter::BeginPrint(wxPrintout *printout, GtkPrintOperation *operation, GtkPrintContext *context)
 936 {
 937     wxPrintData printdata = GetPrintDialogData().GetPrintData();
 938     wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) printdata.GetNativeData();
 939
 940     // We need to update printdata with the new data from the dialog and we
 941     // have to do this here because this method needs this new data and we
 942     // cannot update it earlier
 943     native->SetPrintConfig(gtk_print_operation_get_print_settings(operation));
 944     printdata.ConvertFromNative();
 945
 946     SetPrintContext(context);
 947     native->SetPrintContext( context );
 948
 949     wxPrinterDC *printDC = new wxPrinterDC( printdata );
 950     m_dc = printDC;
 951
 952     if (!m_dc->IsOk())
 953     {
 954         if (sm_lastError != wxPRINTER_CANCELLED)
 955         {
 956             sm_lastError = wxPRINTER_ERROR;
 957             wxFAIL_MSG(_("The wxGtkPrinterDC cannot be used."));
 958         }
 959         return;
 960     }
 961
 962     printout->SetPPIScreen(wxGetDisplayPPI());
 963     printout->SetPPIPrinter( printDC->GetResolution(),
 964                              printDC->GetResolution() );
 965
 966     printout->SetDC(m_dc);
 967
 968     int w, h;
 969     m_dc->GetSize(&w, &h);
 970     printout->SetPageSizePixels((int)w, (int)h);
 971     printout->SetPaperRectPixels(wxRect(0, 0, w, h));
 972     int mw, mh;
 973     m_dc->GetSizeMM(&mw, &mh);
 974     printout->SetPageSizeMM((int)mw, (int)mh);
 975     printout->OnPreparePrinting();
 976
 977     // Get some parameters from the printout, if defined.
 978     int fromPage, toPage;
 979     int minPage, maxPage;
 980     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 981
 982     if (maxPage == 0)
 983     {
 984         sm_lastError = wxPRINTER_ERROR;
 985         wxFAIL_MSG(_("wxPrintout::GetPageInfo gives a null maxPage."));
 986         return;
 987     }
 988
 989     printout->OnBeginPrinting();
 990
 991     int numPages = 0;
 992
 993     // If we're not previewing we need to calculate the number of pages to print.
 994     // If we're previewing, Gtk Print will render every pages without wondering about the page ranges the user may
 995     // have defined in the dialog. So the number of pages is the maximum available.
 996     if (!printout->IsPreview())
 997     {
 998         GtkPrintSettings * settings = gtk_print_operation_get_print_settings (operation);
 999         switch (gtk_print_settings_get_print_pages(settings))
1000         {
1001             case GTK_PRINT_PAGES_CURRENT:
1002                 numPages = 1;
1003                 break;
1004             case GTK_PRINT_PAGES_RANGES:
1005                 {gint num_ranges = 0;
1006                 GtkPageRange* range;
1007                 int i;
1008                 range = gtk_print_settings_get_page_ranges (settings, &num_ranges);
1009                 for (i=0; i<num_ranges; i++)
1010                 {
1011                     if (range[i].end < range[i].start) range[i].end = range[i].start;
1012                     if (range[i].start < minPage-1) range[i].start = minPage-1;
1013                     if (range[i].end > maxPage-1) range[i].end = maxPage-1;
1014                     if (range[i].start > maxPage-1) range[i].start = maxPage-1;
1015                     numPages += range[i].end - range[i].start + 1;
1016                 }
1017                 gtk_print_settings_set_page_ranges (settings, range, 1);
1018                 break;}
1019             case GTK_PRINT_PAGES_ALL:
1020             default:
1021                 numPages = maxPage - minPage + 1;
1022                 break;
1023         }
1024     }
1025     else numPages = maxPage - minPage + 1;
1026
1027     gtk_print_operation_set_n_pages(operation, numPages);
1028 }
1029
1030 void wxGtkPrinter::DrawPage(wxPrintout *printout,
1031                             GtkPrintOperation *operation,
1032                             GtkPrintContext * WXUNUSED(context),
1033                             int page_nr)
1034 {
1035     int fromPage, toPage, minPage, maxPage, startPage, endPage;
1036     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
1037
1038     int numPageToDraw = page_nr + minPage;
1039     if (numPageToDraw < minPage) numPageToDraw = minPage;
1040     if (numPageToDraw > maxPage) numPageToDraw = maxPage;
1041
1042     GtkPrintSettings * settings = gtk_print_operation_get_print_settings (operation);
1043     switch (gtk_print_settings_get_print_pages(settings))
1044     {
1045         case GTK_PRINT_PAGES_CURRENT:
1046             g_object_get_property((GObject*) operation, (const gchar *) "current-page", (GValue*) &startPage);
1047             g_object_get_property((GObject*) operation, (const gchar *) "current-page", (GValue*) &endPage);
1048             break;
1049         case GTK_PRINT_PAGES_RANGES:
1050             {gint num_ranges = 0;
1051             GtkPageRange* range;
1052             range = gtk_print_settings_get_page_ranges (settings, &num_ranges);
1053             // We don't need to verify these values as it has already been done in wxGtkPrinter::BeginPrint.
1054             if (num_ranges >= 1)
1055             {
1056                 startPage = range[0].start + 1;
1057                 endPage = range[0].end + 1;
1058             }
1059             else {
1060                 startPage = minPage;
1061                 endPage = maxPage;
1062             }
1063             break;}
1064         case GTK_PRINT_PAGES_ALL:
1065         default:
1066             startPage = minPage;
1067             endPage = maxPage;
1068             break;
1069     }
1070
1071     if(numPageToDraw == startPage)
1072     {
1073         if (!printout->OnBeginDocument(startPage, endPage))
1074         {
1075             wxLogError(_("Could not start printing."));
1076             sm_lastError = wxPRINTER_ERROR;
1077         }
1078     }
1079
1080     // The app can render the page numPageToDraw.
1081     if (printout->HasPage(numPageToDraw))
1082     {
1083         m_dc->StartPage();
1084         printout->OnPrintPage(numPageToDraw);
1085         m_dc->EndPage();
1086     }
1087
1088
1089     if(numPageToDraw == endPage)
1090     {
1091         printout->OnEndDocument();
1092     }
1093 }
1094
1095 wxDC* wxGtkPrinter::PrintDialog( wxWindow *parent )
1096 {
1097     wxGtkPrintDialog dialog( parent, &m_printDialogData );
1098
1099     dialog.SetPrintDC(m_dc);
1100     dialog.SetShowDialog(true);
1101
1102     int ret = dialog.ShowModal();
1103
1104     if (ret == wxID_CANCEL)
1105     {
1106         sm_lastError = wxPRINTER_CANCELLED;
1107         return NULL;
1108     }
1109     if (ret == wxID_NO)
1110     {
1111         sm_lastError = wxPRINTER_ERROR;
1112         wxFAIL_MSG(_("The print dialog returned an error."));
1113         return NULL;
1114     }
1115
1116     m_printDialogData = dialog.GetPrintDialogData();
1117
1118     return new wxPrinterDC( m_printDialogData.GetPrintData() );
1119 }
1120
1121 bool wxGtkPrinter::Setup( wxWindow * WXUNUSED(parent) )
1122 {
1123     // Obsolete, for backward compatibility.
1124     return false;
1125 }
1126
1127 //-----------------------------------------------------------------------------
1128 // wxGtkPrinterDC
1129 //-----------------------------------------------------------------------------
1130
1131 #define wxCAIRO_SCALE 1
1132
1133 #if wxCAIRO_SCALE
1134
1135 #define XLOG2DEV(x)     LogicalToDeviceX(x)
1136 #define XLOG2DEVREL(x)  LogicalToDeviceXRel(x)
1137 #define YLOG2DEV(x)     LogicalToDeviceY(x)
1138 #define YLOG2DEVREL(x)  LogicalToDeviceYRel(x)
1139
1140 #else
1141
1142 #define XLOG2DEV(x)     ((double)(LogicalToDeviceX(x)) * m_DEV2PS)
1143 #define XLOG2DEVREL(x)  ((double)(LogicalToDeviceXRel(x)) * m_DEV2PS)
1144 #define YLOG2DEV(x)     ((double)(LogicalToDeviceY(x)) * m_DEV2PS)
1145 #define YLOG2DEVREL(x)  ((double)(LogicalToDeviceYRel(x)) * m_DEV2PS)
1146
1147 #endif
1148
1149 IMPLEMENT_ABSTRACT_CLASS(wxGtkPrinterDCImpl, wxDCImpl)
1150
1151 wxGtkPrinterDCImpl::wxGtkPrinterDCImpl(wxPrinterDC *owner, const wxPrintData& data)
1152                   : wxDCImpl( owner )
1153 {
1154     m_printData = data;
1155
1156     wxGtkPrintNativeData *native =
1157         (wxGtkPrintNativeData*) m_printData.GetNativeData();
1158
1159     m_gpc = native->GetPrintContext();
1160
1161     // Match print quality to resolution (high = 1200dpi)
1162     m_resolution = m_printData.GetQuality(); // (int) gtk_print_context_get_dpi_x( m_gpc );
1163     if (m_resolution < 0)
1164         m_resolution = (1 << (m_resolution+4)) *150;
1165
1166     m_context = gtk_print_context_create_pango_context( m_gpc );
1167     m_layout = gtk_print_context_create_pango_layout ( m_gpc );
1168     m_fontdesc = pango_font_description_from_string( "Sans 12" );
1169
1170     m_cairo = gtk_print_context_get_cairo_context ( m_gpc );
1171
1172 #if wxCAIRO_SCALE
1173     m_PS2DEV = 1.0;
1174     m_DEV2PS = 1.0;
1175
1176     cairo_scale( m_cairo, 72.0 / (double)m_resolution, 72.0 / (double)m_resolution );
1177 #else
1178     m_PS2DEV = (double)m_resolution / 72.0;
1179     m_DEV2PS = 72.0 / (double)m_resolution;
1180 #endif
1181
1182     m_currentRed = 0;
1183     m_currentBlue = 0;
1184     m_currentGreen = 0;
1185
1186     m_signX = 1;  // default x-axis left to right.
1187     m_signY = 1;  // default y-axis bottom up -> top down.
1188
1189     // By default the origin of the Cairo context is in the upper left
1190     // corner of the printable area. We need to translate it so that it
1191     // is in the upper left corner of the paper (without margins)
1192     GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc );
1193     gdouble ml, mt;
1194     ml = gtk_page_setup_get_left_margin (setup, GTK_UNIT_POINTS);
1195     mt = gtk_page_setup_get_top_margin (setup, GTK_UNIT_POINTS);
1196     cairo_translate(m_cairo, -ml, -mt);
1197 }
1198
1199 wxGtkPrinterDCImpl::~wxGtkPrinterDCImpl()
1200 {
1201     g_object_unref(m_context);
1202     g_object_unref(m_layout);
1203 }
1204
1205 bool wxGtkPrinterDCImpl::IsOk() const
1206 {
1207     return m_gpc != NULL;
1208 }
1209
1210 void* wxGtkPrinterDCImpl::GetCairoContext() const
1211 {
1212     return (void*) cairo_reference( m_cairo );
1213 }
1214
1215 bool wxGtkPrinterDCImpl::DoFloodFill(wxCoord WXUNUSED(x1),
1216                                wxCoord WXUNUSED(y1),
1217                                const wxColour& WXUNUSED(col),
1218                                wxFloodFillStyle WXUNUSED(style))
1219 {
1220     // We can't access the given coord as a Cairo context is scalable, ie a
1221     // coord doesn't mean anything in this context.
1222     wxFAIL_MSG(_("not implemented"));
1223     return false;
1224 }
1225
1226 void wxGtkPrinterDCImpl::DoGradientFillConcentric(const wxRect& rect, const wxColour& initialColour, const wxColour& destColour, const wxPoint& circleCenter)
1227 {
1228     wxCoord xC = circleCenter.x;
1229     wxCoord yC = circleCenter.y;
1230     wxCoord xR = rect.x;
1231     wxCoord yR = rect.y;
1232     wxCoord w =  rect.width;
1233     wxCoord h = rect.height;
1234
1235     const double r2 = (w/2)*(w/2)+(h/2)*(h/2);
1236     double radius = sqrt(r2);
1237
1238     unsigned char redI = initialColour.Red();
1239     unsigned char blueI = initialColour.Blue();
1240     unsigned char greenI = initialColour.Green();
1241     unsigned char alphaI = initialColour.Alpha();
1242     unsigned char redD = destColour.Red();
1243     unsigned char blueD = destColour.Blue();
1244     unsigned char greenD = destColour.Green();
1245     unsigned char alphaD = destColour.Alpha();
1246
1247     double redIPS = (double)(redI) / 255.0;
1248     double blueIPS = (double)(blueI) / 255.0;
1249     double greenIPS = (double)(greenI) / 255.0;
1250     double alphaIPS = (double)(alphaI) / 255.0;
1251     double redDPS = (double)(redD) / 255.0;
1252     double blueDPS = (double)(blueD) / 255.0;
1253     double greenDPS = (double)(greenD) / 255.0;
1254     double alphaDPS = (double)(alphaD) / 255.0;
1255
1256     // Create a pattern with the gradient.
1257     cairo_pattern_t* gradient;
1258     gradient = cairo_pattern_create_radial (XLOG2DEV(xC+xR), YLOG2DEV(yC+yR), 0, XLOG2DEV(xC+xR), YLOG2DEV(yC+yR), radius * m_DEV2PS );
1259     cairo_pattern_add_color_stop_rgba (gradient, 0.0, redIPS, greenIPS, blueIPS, alphaIPS);
1260     cairo_pattern_add_color_stop_rgba (gradient, 1.0, redDPS, greenDPS, blueDPS, alphaDPS);
1261
1262     // Fill the rectangle with this pattern.
1263     cairo_set_source(m_cairo, gradient);
1264     cairo_rectangle (m_cairo, XLOG2DEV(xR), YLOG2DEV(yR), XLOG2DEVREL(w), YLOG2DEVREL(h) );
1265     cairo_fill(m_cairo);
1266
1267     cairo_pattern_destroy(gradient);
1268
1269     CalcBoundingBox(xR, yR);
1270     CalcBoundingBox(xR+w, yR+h);
1271 }
1272
1273 void wxGtkPrinterDCImpl::DoGradientFillLinear(const wxRect& rect, const wxColour& initialColour, const wxColour& destColour, wxDirection nDirection)
1274 {
1275     wxCoord x = rect.x;
1276     wxCoord y = rect.y;
1277     wxCoord w = rect.width;
1278     wxCoord h = rect.height;
1279
1280     unsigned char redI = initialColour.Red();
1281     unsigned char blueI = initialColour.Blue();
1282     unsigned char greenI = initialColour.Green();
1283     unsigned char alphaI = initialColour.Alpha();
1284     unsigned char redD = destColour.Red();
1285     unsigned char blueD = destColour.Blue();
1286     unsigned char greenD = destColour.Green();
1287     unsigned char alphaD = destColour.Alpha();
1288
1289     double redIPS = (double)(redI) / 255.0;
1290     double blueIPS = (double)(blueI) / 255.0;
1291     double greenIPS = (double)(greenI) / 255.0;
1292     double alphaIPS = (double)(alphaI) / 255.0;
1293     double redDPS = (double)(redD) / 255.0;
1294     double blueDPS = (double)(blueD) / 255.0;
1295     double greenDPS = (double)(greenD) / 255.0;
1296     double alphaDPS = (double)(alphaD) / 255.0;
1297
1298     // Create a pattern with the gradient.
1299     cairo_pattern_t* gradient;
1300     gradient = cairo_pattern_create_linear (XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x+w), YLOG2DEV(y));
1301
1302     if (nDirection == wxWEST)
1303     {
1304         cairo_pattern_add_color_stop_rgba (gradient, 0.0, redDPS, greenDPS, blueDPS, alphaDPS);
1305         cairo_pattern_add_color_stop_rgba (gradient, 1.0, redIPS, greenIPS, blueIPS, alphaIPS);
1306     }
1307     else {
1308         cairo_pattern_add_color_stop_rgba (gradient, 0.0, redIPS, greenIPS, blueIPS, alphaIPS);
1309         cairo_pattern_add_color_stop_rgba (gradient, 1.0, redDPS, greenDPS, blueDPS, alphaDPS);
1310     }
1311
1312     // Fill the rectangle with this pattern.
1313     cairo_set_source(m_cairo, gradient);
1314     cairo_rectangle (m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(w), YLOG2DEVREL(h) );
1315     cairo_fill(m_cairo);
1316
1317     cairo_pattern_destroy(gradient);
1318
1319     CalcBoundingBox(x, y);
1320     CalcBoundingBox(x+w, y+h);
1321 }
1322
1323 bool wxGtkPrinterDCImpl::DoGetPixel(wxCoord WXUNUSED(x1),
1324                               wxCoord WXUNUSED(y1),
1325                               wxColour * WXUNUSED(col)) const
1326 {
1327     wxFAIL_MSG(_("not implemented"));
1328     return false;
1329 }
1330
1331 void wxGtkPrinterDCImpl::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
1332 {
1333     if ( m_pen.IsTransparent() )
1334         return;
1335
1336     SetPen( m_pen );
1337     cairo_move_to ( m_cairo, XLOG2DEV(x1), YLOG2DEV(y1) );
1338     cairo_line_to ( m_cairo, XLOG2DEV(x2), YLOG2DEV(y2) );
1339     cairo_stroke ( m_cairo );
1340
1341     CalcBoundingBox( x1, y1 );
1342     CalcBoundingBox( x2, y2 );
1343 }
1344
1345 void wxGtkPrinterDCImpl::DoCrossHair(wxCoord x, wxCoord y)
1346 {
1347     int w, h;
1348     DoGetSize(&w, &h);
1349
1350     SetPen(m_pen);
1351
1352     cairo_move_to (m_cairo, XLOG2DEV(x), 0);
1353     cairo_line_to (m_cairo, XLOG2DEV(x), YLOG2DEVREL(h));
1354     cairo_move_to (m_cairo, 0, YLOG2DEV(y));
1355     cairo_line_to (m_cairo, XLOG2DEVREL(w), YLOG2DEV(y));
1356
1357     cairo_stroke (m_cairo);
1358     CalcBoundingBox( 0, 0 );
1359     CalcBoundingBox( w, h );
1360 }
1361
1362 void wxGtkPrinterDCImpl::DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc)
1363 {
1364     double dx = x1 - xc;
1365     double dy = y1 - yc;
1366     double radius = sqrt((double)(dx*dx+dy*dy));
1367
1368     double alpha1, alpha2;
1369     if (x1 == x2 && y1 == y2)
1370     {
1371         alpha1 = 0.0;
1372         alpha2 = 360.0;
1373     }
1374     else
1375     if (radius == 0.0)
1376     {
1377         alpha1 = alpha2 = 0.0;
1378     }
1379     else
1380     {
1381         alpha1 = (x1 - xc == 0) ?
1382             (y1 - yc < 0) ? 90.0 : -90.0 :
1383             atan2(double(y1-yc), double(x1-xc)) * RAD2DEG;
1384         alpha2 = (x2 - xc == 0) ?
1385             (y2 - yc < 0) ? 90.0 : -90.0 :
1386             atan2(double(y2-yc), double(x2-xc)) * RAD2DEG;
1387
1388         while (alpha1 <= 0)   alpha1 += 360;
1389         while (alpha2 <= 0)   alpha2 += 360; // adjust angles to be between.
1390         while (alpha1 > 360)  alpha1 -= 360; // 0 and 360 degree.
1391         while (alpha2 > 360)  alpha2 -= 360;
1392     }
1393
1394     alpha1 *= DEG2RAD;
1395     alpha2 *= DEG2RAD;
1396
1397     cairo_new_path(m_cairo);
1398
1399     cairo_arc_negative ( m_cairo, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2);
1400     cairo_line_to(m_cairo, XLOG2DEV(xc), YLOG2DEV(yc));
1401     cairo_close_path (m_cairo);
1402
1403     SetBrush( m_brush );
1404     cairo_fill_preserve( m_cairo );
1405
1406     SetPen (m_pen);
1407     cairo_stroke( m_cairo );
1408
1409     CalcBoundingBox (x1, y1);
1410     CalcBoundingBox (xc, yc);
1411     CalcBoundingBox (x2, y2);
1412 }
1413
1414 void wxGtkPrinterDCImpl::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
1415 {
1416     cairo_save( m_cairo );
1417
1418     cairo_new_path(m_cairo);
1419
1420     cairo_translate( m_cairo, XLOG2DEV((wxCoord) (x + w / 2.)), XLOG2DEV((wxCoord) (y + h / 2.)) );
1421     double scale = (double)YLOG2DEVREL(h) / (double) XLOG2DEVREL(w);
1422     cairo_scale( m_cairo, 1.0, scale );
1423
1424     cairo_arc_negative ( m_cairo, 0, 0, XLOG2DEVREL(w/2), -sa*DEG2RAD, -ea*DEG2RAD);
1425
1426     SetPen (m_pen);
1427     cairo_stroke_preserve( m_cairo );
1428
1429     cairo_line_to(m_cairo, 0,0);
1430
1431     SetBrush( m_brush );
1432     cairo_fill( m_cairo );
1433
1434     cairo_restore( m_cairo );
1435
1436     CalcBoundingBox( x, y);
1437     CalcBoundingBox( x+w, y+h );
1438 }
1439
1440 void wxGtkPrinterDCImpl::DoDrawPoint(wxCoord x, wxCoord y)
1441 {
1442     if ( m_pen.IsTransparent() )
1443         return;
1444
1445     SetPen( m_pen );
1446
1447     cairo_move_to ( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1448     cairo_line_to ( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1449     cairo_stroke ( m_cairo );
1450
1451     CalcBoundingBox( x, y );
1452 }
1453
1454 void wxGtkPrinterDCImpl::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
1455 {
1456     if ( m_pen.IsTransparent() )
1457         return;
1458
1459
1460     if (n <= 0) return;
1461
1462     SetPen (m_pen);
1463
1464     int i;
1465     for ( i =0; i<n ; i++ )
1466         CalcBoundingBox( points[i].x+xoffset, points[i].y+yoffset);
1467
1468     cairo_move_to ( m_cairo, XLOG2DEV(points[0].x+xoffset), YLOG2DEV(points[0].y+yoffset) );
1469
1470     for (i = 1; i < n; i++)
1471         cairo_line_to ( m_cairo, XLOG2DEV(points[i].x+xoffset), YLOG2DEV(points[i].y+yoffset) );
1472
1473     cairo_stroke ( m_cairo);
1474 }
1475
1476 void wxGtkPrinterDCImpl::DoDrawPolygon(int n, wxPoint points[],
1477                                        wxCoord xoffset, wxCoord yoffset,
1478                                        wxPolygonFillMode fillStyle)
1479 {
1480     if (n==0) return;
1481
1482     cairo_save(m_cairo);
1483     if (fillStyle == wxWINDING_RULE)
1484         cairo_set_fill_rule( m_cairo, CAIRO_FILL_RULE_WINDING);
1485     else
1486         cairo_set_fill_rule( m_cairo, CAIRO_FILL_RULE_EVEN_ODD);
1487
1488     int x = points[0].x + xoffset;
1489     int y = points[0].y + yoffset;
1490     cairo_new_path(m_cairo);
1491     cairo_move_to( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1492     int i;
1493     for (i = 1; i < n; i++)
1494     {
1495         int x = points[i].x + xoffset;
1496         int y = points[i].y + yoffset;
1497         cairo_line_to( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1498     }
1499     cairo_close_path(m_cairo);
1500
1501     SetBrush( m_brush );
1502     cairo_fill_preserve( m_cairo );
1503
1504     SetPen (m_pen);
1505     cairo_stroke( m_cairo );
1506
1507     CalcBoundingBox( x, y );
1508
1509     cairo_restore(m_cairo);
1510 }
1511
1512 void wxGtkPrinterDCImpl::DoDrawPolyPolygon(int n, int count[], wxPoint points[],
1513                                            wxCoord xoffset, wxCoord yoffset,
1514                                            wxPolygonFillMode fillStyle)
1515 {
1516     wxDCImpl::DoDrawPolyPolygon( n, count, points, xoffset, yoffset, fillStyle );
1517 }
1518
1519 void wxGtkPrinterDCImpl::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1520 {
1521     width--;
1522     height--;
1523
1524     cairo_new_path(m_cairo);
1525     cairo_rectangle ( m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(width), YLOG2DEVREL(height));
1526
1527     SetBrush( m_brush );
1528     cairo_fill_preserve( m_cairo );
1529
1530     SetPen (m_pen);
1531     cairo_stroke( m_cairo );
1532
1533     CalcBoundingBox( x, y );
1534     CalcBoundingBox( x + width, y + height );
1535 }
1536
1537 void wxGtkPrinterDCImpl::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
1538 {
1539     width--;
1540     height--;
1541
1542     if (radius < 0.0) radius = - radius * ((width < height) ? width : height);
1543
1544     wxCoord dd = 2 * (wxCoord) radius;
1545     if (dd > width) dd = width;
1546     if (dd > height) dd = height;
1547     radius = dd / 2;
1548
1549     wxCoord rad = (wxCoord) radius;
1550
1551     cairo_new_path(m_cairo);
1552     cairo_move_to(m_cairo,XLOG2DEV(x + rad),YLOG2DEV(y));
1553     cairo_curve_to(m_cairo,
1554                                 XLOG2DEV(x + rad),YLOG2DEV(y),
1555                                 XLOG2DEV(x),YLOG2DEV(y),
1556                                 XLOG2DEV(x),YLOG2DEV(y + rad));
1557     cairo_line_to(m_cairo,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1558     cairo_curve_to(m_cairo,
1559                                 XLOG2DEV(x),YLOG2DEV(y + height - rad),
1560                                 XLOG2DEV(x),YLOG2DEV(y + height),
1561                                 XLOG2DEV(x + rad),YLOG2DEV(y + height));
1562     cairo_line_to(m_cairo,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1563     cairo_curve_to(m_cairo,
1564                                 XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1565                                 XLOG2DEV(x + width),YLOG2DEV(y + height),
1566                                 XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1567     cairo_line_to(m_cairo,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1568     cairo_curve_to(m_cairo,
1569                                 XLOG2DEV(x + width),YLOG2DEV(y + rad),
1570                                 XLOG2DEV(x + width),YLOG2DEV(y),
1571                                 XLOG2DEV(x + width - rad),YLOG2DEV(y));
1572     cairo_line_to(m_cairo,XLOG2DEV(x + rad),YLOG2DEV(y));
1573     cairo_close_path(m_cairo);
1574
1575     SetBrush(m_brush);
1576     cairo_fill_preserve(m_cairo);
1577
1578     SetPen(m_pen);
1579     cairo_stroke(m_cairo);
1580
1581     CalcBoundingBox(x,y);
1582     CalcBoundingBox(x+width,y+height);
1583 }
1584
1585 void wxGtkPrinterDCImpl::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1586 {
1587     width--;
1588     height--;
1589
1590     cairo_save (m_cairo);
1591
1592     cairo_new_path(m_cairo);
1593
1594     cairo_translate (m_cairo, XLOG2DEV((wxCoord) (x + width / 2.)), YLOG2DEV((wxCoord) (y + height / 2.)));
1595     cairo_scale(m_cairo, 1, (double)YLOG2DEVREL(height)/(double)XLOG2DEVREL(width));
1596     cairo_arc ( m_cairo, 0, 0, XLOG2DEVREL(width/2), 0, 2 * M_PI);
1597
1598     SetBrush( m_brush );
1599     cairo_fill_preserve( m_cairo );
1600
1601     SetPen (m_pen);
1602     cairo_stroke( m_cairo );
1603
1604     CalcBoundingBox( x, y );
1605     CalcBoundingBox( x + width, y + height );
1606
1607     cairo_restore (m_cairo);
1608 }
1609
1610 #if wxUSE_SPLINES
1611 void wxGtkPrinterDCImpl::DoDrawSpline(const wxPointList *points)
1612 {
1613     SetPen (m_pen);
1614
1615     double c, d, x1, y1, x2, y2, x3, y3;
1616     wxPoint *p, *q;
1617
1618     wxPointList::compatibility_iterator node = points->GetFirst();
1619     p = node->GetData();
1620     x1 = p->x;
1621     y1 = p->y;
1622
1623     node = node->GetNext();
1624     p = node->GetData();
1625     c = p->x;
1626     d = p->y;
1627     x3 =
1628          (double)(x1 + c) / 2;
1629     y3 =
1630          (double)(y1 + d) / 2;
1631
1632     cairo_new_path( m_cairo );
1633     cairo_move_to( m_cairo, XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1) );
1634     cairo_line_to( m_cairo, XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1635
1636     CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1637     CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1638
1639     node = node->GetNext();
1640     while (node)
1641     {
1642         q = node->GetData();
1643
1644         x1 = x3;
1645         y1 = y3;
1646         x2 = c;
1647         y2 = d;
1648         c = q->x;
1649         d = q->y;
1650         x3 = (double)(x2 + c) / 2;
1651         y3 = (double)(y2 + d) / 2;
1652
1653         cairo_curve_to(m_cairo,
1654             XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1),
1655             XLOG2DEV((wxCoord)x2), YLOG2DEV((wxCoord)y2),
1656             XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1657
1658         CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1659         CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1660
1661         node = node->GetNext();
1662     }
1663
1664     cairo_line_to ( m_cairo, XLOG2DEV((wxCoord)c), YLOG2DEV((wxCoord)d) );
1665
1666     cairo_stroke( m_cairo );
1667 }
1668 #endif // wxUSE_SPLINES
1669
1670 bool wxGtkPrinterDCImpl::DoBlit(wxCoord xdest, wxCoord ydest,
1671                           wxCoord width, wxCoord height,
1672                           wxDC *source, wxCoord xsrc, wxCoord ysrc,
1673                           wxRasterOperationMode rop, bool useMask,
1674                           wxCoord WXUNUSED_UNLESS_DEBUG(xsrcMask),
1675                           wxCoord WXUNUSED_UNLESS_DEBUG(ysrcMask))
1676 {
1677     wxASSERT_MSG( xsrcMask == wxDefaultCoord && ysrcMask == wxDefaultCoord,
1678                   wxT("mask coordinates are not supported") );
1679
1680     wxCHECK_MSG( source, false, wxT("invalid source dc") );
1681
1682     // Blit into a bitmap.
1683     wxBitmap bitmap( width, height );
1684     wxMemoryDC memDC;
1685     memDC.SelectObject(bitmap);
1686     memDC.Blit(0, 0, width, height, source, xsrc, ysrc, rop);
1687     memDC.SelectObject(wxNullBitmap);
1688
1689     // Draw bitmap. scaling and positioning is done there.
1690     GetOwner()->DrawBitmap( bitmap, xdest, ydest, useMask );
1691
1692     return true;
1693 }
1694
1695 void wxGtkPrinterDCImpl::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y )
1696 {
1697     DoDrawBitmap( icon, x, y, true );
1698 }
1699
1700 void wxGtkPrinterDCImpl::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask )
1701 {
1702     wxCHECK_RET( bitmap.IsOk(), wxT("Invalid bitmap in wxGtkPrinterDCImpl::DoDrawBitmap"));
1703
1704     x = wxCoord(XLOG2DEV(x));
1705     y = wxCoord(YLOG2DEV(y));
1706     int bw = bitmap.GetWidth();
1707     int bh = bitmap.GetHeight();
1708     wxBitmap bmpSource = bitmap;  // we need a non-const instance.
1709     if (!useMask && !bitmap.HasPixbuf() && bitmap.GetMask())
1710         bmpSource.SetMask(NULL);
1711
1712     cairo_save(m_cairo);
1713
1714     // Prepare to draw the image.
1715     cairo_translate(m_cairo, x, y);
1716
1717     // Scale the image
1718     wxDouble scaleX = (wxDouble) XLOG2DEVREL(bw) / (wxDouble) bw;
1719     wxDouble scaleY = (wxDouble) YLOG2DEVREL(bh) / (wxDouble) bh;
1720     cairo_scale(m_cairo, scaleX, scaleY);
1721
1722     gdk_cairo_set_source_pixbuf(m_cairo, bmpSource.GetPixbuf(), 0, 0);
1723     cairo_pattern_set_filter(cairo_get_source(m_cairo), CAIRO_FILTER_NEAREST);
1724     // Use the original size here since the context is scaled already.
1725     cairo_rectangle(m_cairo, 0, 0, bw, bh);
1726     // Fill the rectangle using the pattern.
1727     cairo_fill(m_cairo);
1728
1729     CalcBoundingBox(0,0);
1730     CalcBoundingBox(bw,bh);
1731
1732     cairo_restore(m_cairo);
1733 }
1734
1735 void wxGtkPrinterDCImpl::DoDrawText(const wxString& text, wxCoord x, wxCoord y )
1736 {
1737     DoDrawRotatedText( text, x, y, 0.0 );
1738 }
1739
1740 void wxGtkPrinterDCImpl::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
1741 {
1742     double xx = XLOG2DEV(x);
1743     double yy = YLOG2DEV(y);
1744
1745     angle = -angle;
1746
1747     const wxScopedCharBuffer data = text.utf8_str();
1748
1749     pango_layout_set_text(m_layout, data, data.length());
1750
1751     const bool setAttrs = m_font.GTKSetPangoAttrs(m_layout);
1752     if (m_textForegroundColour.IsOk())
1753     {
1754         unsigned char red = m_textForegroundColour.Red();
1755         unsigned char blue = m_textForegroundColour.Blue();
1756         unsigned char green = m_textForegroundColour.Green();
1757         unsigned char alpha = m_textForegroundColour.Alpha();
1758
1759         if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue && alpha == m_currentAlpha))
1760         {
1761             double redPS = (double)(red) / 255.0;
1762             double bluePS = (double)(blue) / 255.0;
1763             double greenPS = (double)(green) / 255.0;
1764             double alphaPS = (double)(alpha) / 255.0;
1765
1766             cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1767
1768             m_currentRed = red;
1769             m_currentBlue = blue;
1770             m_currentGreen = green;
1771             m_currentAlpha = alpha;
1772         }
1773     }
1774
1775     // Draw layout.
1776     cairo_move_to (m_cairo, xx, yy);
1777
1778     cairo_save( m_cairo );
1779
1780     if (fabs(angle) > 0.00001)
1781         cairo_rotate( m_cairo, angle*DEG2RAD );
1782
1783     cairo_scale(m_cairo, m_scaleX, m_scaleY);
1784
1785     int w,h;
1786     pango_layout_get_pixel_size( m_layout, &w, &h );
1787
1788     if ( m_backgroundMode == wxBRUSHSTYLE_SOLID )
1789     {
1790         unsigned char red = m_textBackgroundColour.Red();
1791         unsigned char blue = m_textBackgroundColour.Blue();
1792         unsigned char green = m_textBackgroundColour.Green();
1793         unsigned char alpha = m_textBackgroundColour.Alpha();
1794
1795         double redPS = (double)(red) / 255.0;
1796         double bluePS = (double)(blue) / 255.0;
1797         double greenPS = (double)(green) / 255.0;
1798         double alphaPS = (double)(alpha) / 255.0;
1799
1800         cairo_save(m_cairo);
1801         cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1802         cairo_rectangle(m_cairo, 0, 0, w, h);   // still in cairo units
1803         cairo_fill(m_cairo);
1804         cairo_restore(m_cairo);
1805     }
1806
1807     pango_cairo_update_layout (m_cairo, m_layout);
1808     pango_cairo_show_layout (m_cairo, m_layout);
1809
1810     cairo_restore( m_cairo );
1811
1812     if (setAttrs)
1813     {
1814         // Undo underline attributes setting
1815         pango_layout_set_attributes(m_layout, NULL);
1816     }
1817
1818     // Back to device units:
1819     CalcBoundingBox (x, y);
1820     CalcBoundingBox (x + w, y + h);
1821 }
1822
1823 void wxGtkPrinterDCImpl::Clear()
1824 {
1825 // Clear does nothing for printing, but keep the code
1826 // for later reuse
1827 /*
1828     cairo_save(m_cairo);
1829     cairo_set_operator (m_cairo, CAIRO_OPERATOR_SOURCE);
1830     SetBrush(m_backgroundBrush);
1831     cairo_paint(m_cairo);
1832     cairo_restore(m_cairo);
1833 */
1834 }
1835
1836 void wxGtkPrinterDCImpl::SetFont( const wxFont& font )
1837 {
1838     m_font = font;
1839
1840     if (m_font.IsOk())
1841     {
1842         if (m_fontdesc)
1843             pango_font_description_free( m_fontdesc );
1844
1845         m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description );
1846
1847         float size = pango_font_description_get_size( m_fontdesc );
1848         size = size * GetFontPointSizeAdjustment(72.0);
1849         pango_font_description_set_size( m_fontdesc, (gint)size );
1850
1851         pango_layout_set_font_description( m_layout, m_fontdesc );
1852     }
1853 }
1854
1855 void wxGtkPrinterDCImpl::SetPen( const wxPen& pen )
1856 {
1857     if (!pen.IsOk()) return;
1858
1859     m_pen = pen;
1860
1861     double width;
1862
1863     if (m_pen.GetWidth() <= 0)
1864         width = 0.1;
1865     else
1866         width = (double) m_pen.GetWidth();
1867
1868     cairo_set_line_width( m_cairo, width * m_DEV2PS * m_scaleX );
1869     static const double dotted[] = {2.0, 5.0};
1870     static const double short_dashed[] = {4.0, 4.0};
1871     static const double long_dashed[] = {4.0, 8.0};
1872     static const double dotted_dashed[] = {6.0, 6.0, 2.0, 6.0};
1873
1874     switch (m_pen.GetStyle())
1875     {
1876         case wxPENSTYLE_DOT:        cairo_set_dash( m_cairo, dotted, 2, 0 ); break;
1877         case wxPENSTYLE_SHORT_DASH: cairo_set_dash( m_cairo, short_dashed, 2, 0 ); break;
1878         case wxPENSTYLE_LONG_DASH:  cairo_set_dash( m_cairo, long_dashed, 2, 0 ); break;
1879         case wxPENSTYLE_DOT_DASH:   cairo_set_dash( m_cairo, dotted_dashed, 4, 0 );  break;
1880         case wxPENSTYLE_USER_DASH:
1881         {
1882             wxDash *wx_dashes;
1883             int num = m_pen.GetDashes (&wx_dashes);
1884             gdouble *g_dashes = g_new( gdouble, num );
1885             int i;
1886             for (i = 0; i < num; ++i)
1887                 g_dashes[i] = (gdouble) wx_dashes[i];
1888             cairo_set_dash( m_cairo, g_dashes, num, 0);
1889             g_free( g_dashes );
1890         }
1891         break;
1892         case wxPENSTYLE_SOLID:
1893         case wxPENSTYLE_TRANSPARENT:
1894         default:              cairo_set_dash( m_cairo, NULL, 0, 0 );   break;
1895     }
1896
1897     switch (m_pen.GetCap())
1898     {
1899         case wxCAP_PROJECTING:  cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_SQUARE); break;
1900         case wxCAP_BUTT:        cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_BUTT); break;
1901         case wxCAP_ROUND:
1902         default:                cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_ROUND); break;
1903     }
1904
1905     switch (m_pen.GetJoin())
1906     {
1907         case wxJOIN_BEVEL:  cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_BEVEL); break;
1908         case wxJOIN_MITER:  cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_MITER); break;
1909         case wxJOIN_ROUND:
1910         default:            cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_ROUND); break;
1911     }
1912
1913     unsigned char red = m_pen.GetColour().Red();
1914     unsigned char blue = m_pen.GetColour().Blue();
1915     unsigned char green = m_pen.GetColour().Green();
1916     unsigned char alpha = m_pen.GetColour().Alpha();
1917
1918     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue && alpha == m_currentAlpha))
1919     {
1920         double redPS = (double)(red) / 255.0;
1921         double bluePS = (double)(blue) / 255.0;
1922         double greenPS = (double)(green) / 255.0;
1923         double alphaPS = (double)(alpha) / 255.0;
1924
1925         cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1926
1927         m_currentRed = red;
1928         m_currentBlue = blue;
1929         m_currentGreen = green;
1930         m_currentAlpha = alpha;
1931     }
1932 }
1933
1934 void wxGtkPrinterDCImpl::SetBrush( const wxBrush& brush )
1935 {
1936     if (!brush.IsOk()) return;
1937
1938     m_brush = brush;
1939
1940     if (m_brush.GetStyle() == wxBRUSHSTYLE_TRANSPARENT)
1941     {
1942         cairo_set_source_rgba( m_cairo, 0, 0, 0, 0 );
1943         m_currentRed = 0;
1944         m_currentBlue = 0;
1945         m_currentGreen = 0;
1946         m_currentAlpha = 0;
1947         return;
1948     }
1949
1950     // Brush colour.
1951     unsigned char red = m_brush.GetColour().Red();
1952     unsigned char blue = m_brush.GetColour().Blue();
1953     unsigned char green = m_brush.GetColour().Green();
1954     unsigned char alpha = m_brush.GetColour().Alpha();
1955
1956     double redPS = (double)(red) / 255.0;
1957     double bluePS = (double)(blue) / 255.0;
1958     double greenPS = (double)(green) / 255.0;
1959     double alphaPS = (double)(alpha) / 255.0;
1960
1961     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue && alpha == m_currentAlpha))
1962     {
1963         cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1964
1965         m_currentRed = red;
1966         m_currentBlue = blue;
1967         m_currentGreen = green;
1968         m_currentAlpha = alpha;
1969     }
1970
1971     if (m_brush.IsHatch())
1972     {
1973         cairo_t * cr;
1974         cairo_surface_t *surface;
1975         surface = cairo_surface_create_similar(cairo_get_target(m_cairo),CAIRO_CONTENT_COLOR_ALPHA,10,10);
1976         cr = cairo_create(surface);
1977         cairo_set_line_cap(cr, CAIRO_LINE_CAP_SQUARE);
1978         cairo_set_line_width(cr, 1);
1979         cairo_set_line_join(cr,CAIRO_LINE_JOIN_MITER);
1980
1981         switch (m_brush.GetStyle())
1982         {
1983             case wxBRUSHSTYLE_CROSS_HATCH:
1984                 cairo_move_to(cr, 5, 0);
1985                 cairo_line_to(cr, 5, 10);
1986                 cairo_move_to(cr, 0, 5);
1987                 cairo_line_to(cr, 10, 5);
1988                 break;
1989             case wxBRUSHSTYLE_BDIAGONAL_HATCH:
1990                 cairo_move_to(cr, 0, 10);
1991                 cairo_line_to(cr, 10, 0);
1992                 break;
1993             case wxBRUSHSTYLE_FDIAGONAL_HATCH:
1994                 cairo_move_to(cr, 0, 0);
1995                 cairo_line_to(cr, 10, 10);
1996                 break;
1997             case wxBRUSHSTYLE_CROSSDIAG_HATCH:
1998                 cairo_move_to(cr, 0, 0);
1999                 cairo_line_to(cr, 10, 10);
2000                 cairo_move_to(cr, 10, 0);
2001                 cairo_line_to(cr, 0, 10);
2002                 break;
2003             case wxBRUSHSTYLE_HORIZONTAL_HATCH:
2004                 cairo_move_to(cr, 0, 5);
2005                 cairo_line_to(cr, 10, 5);
2006                 break;
2007             case wxBRUSHSTYLE_VERTICAL_HATCH:
2008                 cairo_move_to(cr, 5, 0);
2009                 cairo_line_to(cr, 5, 10);
2010                 break;
2011             default:
2012                 wxFAIL_MSG(_("Couldn't get hatch style from wxBrush."));
2013         }
2014
2015         cairo_set_source_rgba(cr, redPS, greenPS, bluePS, alphaPS);
2016         cairo_stroke (cr);
2017
2018         cairo_destroy(cr);
2019         cairo_pattern_t * pattern = cairo_pattern_create_for_surface (surface);
2020         cairo_surface_destroy(surface);
2021         cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT);
2022         cairo_set_source(m_cairo, pattern);
2023         cairo_pattern_destroy(pattern);
2024     }
2025 }
2026
2027 void wxGtkPrinterDCImpl::SetLogicalFunction( wxRasterOperationMode function )
2028 {
2029     if (function == wxCLEAR)
2030         cairo_set_operator (m_cairo, CAIRO_OPERATOR_CLEAR);
2031     else if (function == wxOR)
2032         cairo_set_operator (m_cairo, CAIRO_OPERATOR_OUT);
2033     else if (function == wxNO_OP)
2034         cairo_set_operator (m_cairo, CAIRO_OPERATOR_DEST);
2035     else if (function == wxAND)
2036         cairo_set_operator (m_cairo, CAIRO_OPERATOR_ADD);
2037     else if (function == wxSET)
2038         cairo_set_operator (m_cairo, CAIRO_OPERATOR_SATURATE);
2039     else if (function == wxXOR)
2040         cairo_set_operator (m_cairo, CAIRO_OPERATOR_XOR);
2041     else // wxCOPY or anything else.
2042         cairo_set_operator (m_cairo, CAIRO_OPERATOR_SOURCE);
2043 }
2044
2045 void wxGtkPrinterDCImpl::SetBackground( const wxBrush& brush )
2046 {
2047     m_backgroundBrush = brush;
2048     cairo_save(m_cairo);
2049     cairo_set_operator (m_cairo, CAIRO_OPERATOR_DEST_OVER);
2050
2051     SetBrush(m_backgroundBrush);
2052     cairo_paint(m_cairo);
2053     cairo_restore(m_cairo);
2054 }
2055
2056 void wxGtkPrinterDCImpl::SetBackgroundMode(int mode)
2057 {
2058     if (mode == wxBRUSHSTYLE_SOLID)
2059         m_backgroundMode = wxBRUSHSTYLE_SOLID;
2060     else
2061         m_backgroundMode = wxBRUSHSTYLE_TRANSPARENT;
2062 }
2063
2064 void wxGtkPrinterDCImpl::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
2065 {
2066     cairo_rectangle ( m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(width), YLOG2DEVREL(height));
2067     cairo_clip(m_cairo);
2068 }
2069
2070 void wxGtkPrinterDCImpl::DestroyClippingRegion()
2071 {
2072     cairo_reset_clip(m_cairo);
2073 }
2074
2075 bool wxGtkPrinterDCImpl::StartDoc(const wxString& WXUNUSED(message))
2076 {
2077     return true;
2078 }
2079
2080 void wxGtkPrinterDCImpl::EndDoc()
2081 {
2082     return;
2083 }
2084
2085 void wxGtkPrinterDCImpl::StartPage()
2086 {
2087     return;
2088 }
2089
2090 void wxGtkPrinterDCImpl::EndPage()
2091 {
2092     return;
2093 }
2094
2095 wxCoord wxGtkPrinterDCImpl::GetCharHeight() const
2096 {
2097     pango_layout_set_text( m_layout, "H", 1 );
2098
2099     int w,h;
2100     pango_layout_get_pixel_size( m_layout, &w, &h );
2101
2102     return wxRound( h * m_PS2DEV );
2103 }
2104
2105 wxCoord wxGtkPrinterDCImpl::GetCharWidth() const
2106 {
2107     pango_layout_set_text( m_layout, "H", 1 );
2108
2109     int w,h;
2110     pango_layout_get_pixel_size( m_layout, &w, &h );
2111
2112     return wxRound( w * m_PS2DEV );
2113 }
2114
2115 void wxGtkPrinterDCImpl::DoGetTextExtent(const wxString& string, wxCoord *width, wxCoord *height,
2116                      wxCoord *descent,
2117                      wxCoord *externalLeading,
2118                      const wxFont *theFont ) const
2119 {
2120     if ( width )
2121         *width = 0;
2122     if ( height )
2123         *height = 0;
2124     if ( descent )
2125         *descent = 0;
2126     if ( externalLeading )
2127         *externalLeading = 0;
2128
2129     if (string.empty())
2130     {
2131         return;
2132     }
2133
2134     cairo_save( m_cairo );
2135     cairo_scale(m_cairo, m_scaleX, m_scaleY);
2136
2137     // Set layout's text
2138     const wxScopedCharBuffer dataUTF8 = string.utf8_str();
2139
2140     gint oldSize=0;
2141     if ( theFont )
2142     {
2143         // scale the font and apply it
2144         PangoFontDescription *desc = theFont->GetNativeFontInfo()->description;
2145         oldSize = pango_font_description_get_size(desc);
2146         const float size = oldSize * GetFontPointSizeAdjustment(72.0);
2147         pango_font_description_set_size(desc, (gint)size);
2148
2149         pango_layout_set_font_description(m_layout, desc);
2150     }
2151
2152     pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
2153
2154     int h;
2155     pango_layout_get_pixel_size( m_layout, width, &h );
2156     if ( height )
2157         *height = h;
2158
2159     if (descent)
2160     {
2161         PangoLayoutIter *iter = pango_layout_get_iter(m_layout);
2162         int baseline = pango_layout_iter_get_baseline(iter);
2163         pango_layout_iter_free(iter);
2164         *descent = h - PANGO_PIXELS(baseline);
2165     }
2166
2167     if ( theFont )
2168     {
2169         // restore font and reset font's size back
2170         pango_layout_set_font_description(m_layout, m_fontdesc);
2171
2172         PangoFontDescription *desc = theFont->GetNativeFontInfo()->description;
2173         pango_font_description_set_size(desc, oldSize);
2174     }
2175
2176     cairo_restore( m_cairo );
2177 }
2178
2179 void wxGtkPrinterDCImpl::DoGetSize(int* width, int* height) const
2180 {
2181     GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc );
2182
2183     if (width)
2184         *width = wxRound( (double)gtk_page_setup_get_paper_width( setup, GTK_UNIT_POINTS ) * (double)m_resolution / 72.0 );
2185     if (height)
2186         *height = wxRound( (double)gtk_page_setup_get_paper_height( setup, GTK_UNIT_POINTS ) * (double)m_resolution / 72.0 );
2187 }
2188
2189 void wxGtkPrinterDCImpl::DoGetSizeMM(int *width, int *height) const
2190 {
2191     GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc );
2192
2193     if (width)
2194         *width = wxRound( gtk_page_setup_get_paper_width( setup, GTK_UNIT_MM ) );
2195     if (height)
2196         *height = wxRound( gtk_page_setup_get_paper_height( setup, GTK_UNIT_MM ) );
2197 }
2198
2199 wxSize wxGtkPrinterDCImpl::GetPPI() const
2200 {
2201     return wxSize( (int)m_resolution, (int)m_resolution );
2202 }
2203
2204 void wxGtkPrinterDCImpl::SetPrintData(const wxPrintData& data)
2205 {
2206     m_printData = data;
2207 }
2208
2209 // overridden for wxPrinterDC Impl
2210
2211 wxRect wxGtkPrinterDCImpl::GetPaperRect() const
2212 {
2213     // Does GtkPrint support printer margins?
2214     int w = 0;
2215     int h = 0;
2216     DoGetSize( &w, &h );
2217     return wxRect( 0,0,w,h );
2218 }
2219
2220 int wxGtkPrinterDCImpl::GetResolution() const
2221 {
2222     return m_resolution;
2223 }
2224
2225 // ----------------------------------------------------------------------------
2226 // Print preview
2227 // ----------------------------------------------------------------------------
2228
2229 IMPLEMENT_CLASS(wxGtkPrintPreview, wxPrintPreviewBase)
2230
2231 void wxGtkPrintPreview::Init(wxPrintout * WXUNUSED(printout),
2232                              wxPrintout * WXUNUSED(printoutForPrinting),
2233                              wxPrintData *data)
2234 {
2235     // convert wxPrintQuality to resolution (input pointer can be NULL)
2236     wxPrintQuality quality = data ? data->GetQuality() : wxPRINT_QUALITY_MEDIUM;
2237     switch ( quality )
2238     {
2239         case wxPRINT_QUALITY_HIGH:
2240             m_resolution = 1200;
2241             break;
2242
2243         case wxPRINT_QUALITY_LOW:
2244             m_resolution = 300;
2245             break;
2246
2247         case wxPRINT_QUALITY_DRAFT:
2248             m_resolution = 150;
2249             break;
2250
2251         default:
2252             if ( quality > 0 )
2253             {
2254                 // positive values directly indicate print resolution
2255                 m_resolution = quality;
2256                 break;
2257             }
2258
2259             wxFAIL_MSG( "unknown print quality" );
2260             // fall through
2261
2262         case wxPRINT_QUALITY_MEDIUM:
2263             m_resolution = 600;
2264             break;
2265
2266     }
2267
2268     DetermineScaling();
2269 }
2270
2271 wxGtkPrintPreview::wxGtkPrintPreview(wxPrintout *printout,
2272                                      wxPrintout *printoutForPrinting,
2273                                      wxPrintDialogData *data)
2274                  : wxPrintPreviewBase(printout, printoutForPrinting, data)
2275 {
2276     Init(printout, printoutForPrinting, data ? &data->GetPrintData() : NULL);
2277 }
2278
2279 wxGtkPrintPreview::wxGtkPrintPreview(wxPrintout *printout,
2280                                      wxPrintout *printoutForPrinting,
2281                                      wxPrintData *data)
2282                  : wxPrintPreviewBase(printout, printoutForPrinting, data)
2283 {
2284     Init(printout, printoutForPrinting, data);
2285 }
2286
2287 wxGtkPrintPreview::~wxGtkPrintPreview()
2288 {
2289 }
2290
2291 bool wxGtkPrintPreview::Print(bool interactive)
2292 {
2293     if (!m_printPrintout)
2294         return false;
2295
2296     wxPrinter printer(& m_printDialogData);
2297     return printer.Print(m_previewFrame, m_printPrintout, interactive);
2298 }
2299
2300 void wxGtkPrintPreview::DetermineScaling()
2301 {
2302     wxPaperSize paperType = m_printDialogData.GetPrintData().GetPaperId();
2303
2304     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType);
2305     if (!paper)
2306         paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
2307
2308     if (paper)
2309     {
2310         const wxSize screenPPI = wxGetDisplayPPI();
2311         int logPPIScreenX = screenPPI.GetWidth();
2312         int logPPIScreenY = screenPPI.GetHeight();
2313         int logPPIPrinterX = m_resolution;
2314         int logPPIPrinterY = m_resolution;
2315
2316         m_previewPrintout->SetPPIScreen( logPPIScreenX, logPPIScreenY );
2317         m_previewPrintout->SetPPIPrinter( logPPIPrinterX, logPPIPrinterY );
2318
2319         // Get width and height in points (1/72th of an inch)
2320         wxSize sizeDevUnits(paper->GetSizeDeviceUnits());
2321         sizeDevUnits.x = wxRound((double)sizeDevUnits.x * (double)m_resolution / 72.0);
2322         sizeDevUnits.y = wxRound((double)sizeDevUnits.y * (double)m_resolution / 72.0);
2323
2324         wxSize sizeTenthsMM(paper->GetSize());
2325         wxSize sizeMM(sizeTenthsMM.x / 10, sizeTenthsMM.y / 10);
2326
2327         // If in landscape mode, we need to swap the width and height.
2328         if ( m_printDialogData.GetPrintData().GetOrientation() == wxLANDSCAPE )
2329         {
2330             m_pageWidth = sizeDevUnits.y;
2331             m_pageHeight = sizeDevUnits.x;
2332             m_previewPrintout->SetPageSizeMM(sizeMM.y, sizeMM.x);
2333         }
2334         else
2335         {
2336             m_pageWidth = sizeDevUnits.x;
2337             m_pageHeight = sizeDevUnits.y;
2338             m_previewPrintout->SetPageSizeMM(sizeMM.x, sizeMM.y);
2339         }
2340         m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
2341         m_previewPrintout->SetPaperRectPixels(wxRect(0, 0, m_pageWidth, m_pageHeight));
2342
2343         // At 100%, the page should look about page-size on the screen.
2344         m_previewScaleX = float(logPPIScreenX) / logPPIPrinterX;
2345         m_previewScaleY = float(logPPIScreenY) / logPPIPrinterY;
2346     }
2347 }
2348
2349 #endif
2350      // wxUSE_GTKPRINT