src/gtk/print.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/gtk/print.cpp
   3 // Author:      Anthony Bretaudeau
   4 // Purpose:     GTK printing support
   5 // Created:     2007-08-25
   6 // RCS-ID:      $Id: print.cpp,v 1 2007-08-25 05:44:44 PC Exp $
   7 // Copyright:   (c) 2007 wxWidgets development team
   8 // Licence:     wxWindows Licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx/wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15 #pragma hdrstop
  16 #endif
  17
  18 #if wxUSE_GTKPRINT
  19
  20 #include "wx/gtk/print.h"
  21
  22 #ifndef WX_PRECOMP
  23 #include "wx/log.h"
  24 #include "wx/dcmemory.h"
  25 #include "wx/icon.h"
  26 #include "wx/math.h"
  27 #include "wx/image.h"
  28 #include "wx/module.h"
  29 #include "wx/crt.h"
  30 #endif
  31
  32 #include "wx/fontutil.h"
  33 #include "wx/gtk/private.h"
  34 #include "wx/dynlib.h"
  35 #include "wx/paper.h"
  36 #include "wx/rawbmp.h"
  37
  38 #include <gtk/gtk.h>
  39 #include <gtk/gtkpagesetupunixdialog.h>
  40
  41 #include "wx/link.h"
  42 wxFORCE_LINK_THIS_MODULE(gtk_print)
  43
  44 #if wxUSE_LIBGNOMEPRINT
  45 #include "wx/gtk/gnome/gprint.h"
  46 #endif
  47
  48 // Usefull to convert angles from/to Rad to/from Deg.
  49 static const double RAD2DEG  = 180.0 / M_PI;
  50 static const double DEG2RAD  = M_PI / 180.0;
  51
  52 static wxCairoLibrary* gs_cairo = NULL;
  53
  54 //----------------------------------------------------------------------------
  55 // wxGtkPrintModule
  56 // Initialized when starting the app : if it successfully load the gtk-print framework,
  57 // it uses it. If not, it falls back to gnome print (see /gtk/gnome/gprint.cpp) then
  58 // to postscript if gnomeprint is not available.
  59 //----------------------------------------------------------------------------
  60
  61 class wxGtkPrintModule: public wxModule
  62 {
  63 public:
  64     wxGtkPrintModule()
  65     {
  66 #if wxUSE_LIBGNOMEPRINT
  67         // This module must be initialized AFTER gnomeprint's one
  68         AddDependency(CLASSINFO(wxGnomePrintModule));
  69 #endif
  70     }
  71     bool OnInit();
  72     void OnExit();
  73
  74 private:
  75     DECLARE_DYNAMIC_CLASS(wxGtkPrintModule)
  76 };
  77
  78 bool wxGtkPrintModule::OnInit()
  79 {
  80     gs_cairo = wxCairoLibrary::Get();
  81     if (gs_cairo && gtk_check_version(2,10,0) == NULL)
  82         wxPrintFactory::SetPrintFactory( new wxGtkPrintFactory );
  83     return true;
  84 }
  85
  86 void wxGtkPrintModule::OnExit()
  87 {
  88     gs_cairo = NULL;
  89 }
  90
  91 IMPLEMENT_DYNAMIC_CLASS(wxGtkPrintModule, wxModule)
  92
  93 //----------------------------------------------------------------------------
  94 // wxGtkPrintFactory
  95 //----------------------------------------------------------------------------
  96
  97 wxPrinterBase* wxGtkPrintFactory::CreatePrinter( wxPrintDialogData *data )
  98 {
  99     return new wxGtkPrinter( data );
 100 }
 101
 102 wxPrintPreviewBase *wxGtkPrintFactory::CreatePrintPreview( wxPrintout *preview,
 103                                                     wxPrintout *printout,
 104                                                     wxPrintDialogData *data )
 105 {
 106     return new wxGtkPrintPreview( preview, printout, data );
 107 }
 108
 109 wxPrintPreviewBase *wxGtkPrintFactory::CreatePrintPreview( wxPrintout *preview,
 110                                                     wxPrintout *printout,
 111                                                     wxPrintData *data )
 112 {
 113     return new wxGtkPrintPreview( preview, printout, data );
 114 }
 115
 116 wxPrintDialogBase *wxGtkPrintFactory::CreatePrintDialog( wxWindow *parent,
 117                                                   wxPrintDialogData *data )
 118 {
 119     return new wxGtkPrintDialog( parent, data );
 120 }
 121
 122 wxPrintDialogBase *wxGtkPrintFactory::CreatePrintDialog( wxWindow *parent,
 123                                                   wxPrintData *data )
 124 {
 125     return new wxGtkPrintDialog( parent, data );
 126 }
 127
 128 wxPageSetupDialogBase *wxGtkPrintFactory::CreatePageSetupDialog( wxWindow *parent,
 129                                                           wxPageSetupDialogData * data )
 130 {
 131     return new wxGtkPageSetupDialog( parent, data );
 132 }
 133
 134 bool wxGtkPrintFactory::HasPrintSetupDialog()
 135 {
 136     return false;
 137 }
 138
 139 wxDialog *wxGtkPrintFactory::CreatePrintSetupDialog( wxWindow *parent, wxPrintData *data )
 140 {
 141     return NULL;
 142 }
 143
 144 wxDC* wxGtkPrintFactory::CreatePrinterDC( const wxPrintData& data )
 145 {
 146     return new wxGtkPrintDC(data);
 147 }
 148
 149 bool wxGtkPrintFactory::HasOwnPrintToFile()
 150 {
 151     return true;
 152 }
 153
 154 bool wxGtkPrintFactory::HasPrinterLine()
 155 {
 156     return true;
 157 }
 158
 159 wxString wxGtkPrintFactory::CreatePrinterLine()
 160 {
 161     // redundant now
 162     return wxEmptyString;
 163 }
 164
 165 bool wxGtkPrintFactory::HasStatusLine()
 166 {
 167     // redundant now
 168     return true;
 169 }
 170
 171 wxString wxGtkPrintFactory::CreateStatusLine()
 172 {
 173     // redundant now
 174     return wxEmptyString;
 175 }
 176
 177 wxPrintNativeDataBase *wxGtkPrintFactory::CreatePrintNativeData()
 178 {
 179     return new wxGtkPrintNativeData;
 180 }
 181
 182 //----------------------------------------------------------------------------
 183 // Callback functions for Gtk Printings.
 184 //----------------------------------------------------------------------------
 185
 186 // We use it to pass useful objets to gtk printing callback functions.
 187 struct wxPrinterToGtkData
 188 {
 189    wxGtkPrinter * printer;
 190    wxPrintout * printout;
 191 };
 192
 193 extern "C"
 194 {
 195     static void gtk_begin_print_callback (GtkPrintOperation *operation, GtkPrintContext *context, gpointer user_data)
 196     {
 197         wxPrinterToGtkData *data = (wxPrinterToGtkData *) user_data;
 198
 199         data->printer->BeginPrint(data->printout, operation, context);
 200     }
 201
 202     static void gtk_draw_page_print_callback (GtkPrintOperation *operation, GtkPrintContext *context, gint page_nr, gpointer user_data)
 203     {
 204         wxPrinterToGtkData *data = (wxPrinterToGtkData *) user_data;
 205
 206         data->printer->DrawPage(data->printout, operation, context, page_nr);
 207     }
 208
 209     static void gtk_end_print_callback (GtkPrintOperation *operation, GtkPrintContext *context, gpointer user_data)
 210     {
 211         wxPrintout *printout = (wxPrintout *) user_data;
 212
 213         printout->OnEndPrinting();
 214     }
 215
 216     static gboolean gtk_preview_print_callback (GtkPrintOperation *operation, GtkPrintOperationPreview *preview, GtkPrintContext *context, GtkWindow *parent, gpointer user_data)
 217     {
 218         wxPrintout *printout = (wxPrintout *) user_data;
 219
 220         printout->SetIsPreview(true);
 221
 222         /* We create a cairo context with 72dpi resolution. This resolution is only used for positionning. */
 223         cairo_t *cairo = gdk_cairo_create(GTK_WIDGET(parent)->window);
 224         gtk_print_context_set_cairo_context(context, cairo, 72, 72);
 225
 226         return false;
 227     }
 228 }
 229
 230 //----------------------------------------------------------------------------
 231 // wxGtkPrintNativeData
 232 //----------------------------------------------------------------------------
 233
 234 IMPLEMENT_CLASS(wxGtkPrintNativeData, wxPrintNativeDataBase)
 235
 236 wxGtkPrintNativeData::wxGtkPrintNativeData()
 237 {
 238     m_config = gtk_print_settings_new();
 239 }
 240
 241 wxGtkPrintNativeData::~wxGtkPrintNativeData()
 242 {
 243     g_object_unref (m_config);
 244 }
 245
 246 // Convert datas stored in m_config to a wxPrintData.
 247 // Called by wxPrintData::ConvertFromNative().
 248 bool wxGtkPrintNativeData::TransferTo( wxPrintData &data )
 249 {
 250     if(!m_config)
 251         return false;
 252
 253     GtkPrintQuality quality = gtk_print_settings_get_quality(m_config);
 254     if (quality == GTK_PRINT_QUALITY_HIGH)
 255         data.SetQuality(wxPRINT_QUALITY_HIGH);
 256     else if (quality == GTK_PRINT_QUALITY_LOW)
 257         data.SetQuality(wxPRINT_QUALITY_LOW);
 258     else if (quality == GTK_PRINT_QUALITY_DRAFT)
 259         data.SetQuality(wxPRINT_QUALITY_DRAFT);
 260     else
 261         data.SetQuality(wxPRINT_QUALITY_MEDIUM);
 262
 263     data.SetNoCopies(gtk_print_settings_get_n_copies(m_config));
 264
 265     data.SetColour(gtk_print_settings_get_use_color(m_config));
 266
 267     switch (gtk_print_settings_get_duplex(m_config))
 268     {
 269         case GTK_PRINT_DUPLEX_SIMPLEX:      data.SetDuplex (wxDUPLEX_SIMPLEX);
 270                                             break;
 271
 272         case GTK_PRINT_DUPLEX_HORIZONTAL:   data.SetDuplex (wxDUPLEX_HORIZONTAL);
 273                                             break;
 274
 275         default:
 276         case GTK_PRINT_DUPLEX_VERTICAL:      data.SetDuplex (wxDUPLEX_VERTICAL);
 277                                             break;
 278     }
 279
 280     GtkPageOrientation orientation = gtk_print_settings_get_orientation (m_config);
 281     if (orientation == GTK_PAGE_ORIENTATION_PORTRAIT)
 282     {
 283         data.SetOrientation(wxPORTRAIT);
 284         data.SetOrientationReversed(false);
 285     }
 286     else if (orientation == GTK_PAGE_ORIENTATION_LANDSCAPE)
 287     {
 288         data.SetOrientation(wxLANDSCAPE);
 289         data.SetOrientationReversed(false);
 290     }
 291     else if (orientation == GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT)
 292     {
 293         data.SetOrientation(wxPORTRAIT);
 294         data.SetOrientationReversed(true);
 295     }
 296     else if (orientation == GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE)
 297     {
 298         data.SetOrientation(wxLANDSCAPE);
 299         data.SetOrientationReversed(true);
 300     }
 301
 302     data.SetCollate(gtk_print_settings_get_collate (m_config));
 303
 304     // Paper formats : these are the most common paper formats.
 305     GtkPaperSize *paper_size = gtk_print_settings_get_paper_size (m_config);
 306     if (!paper_size)
 307         data.SetPaperId(wxPAPER_NONE);
 308     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_A3)))
 309         data.SetPaperId(wxPAPER_A3);
 310     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_A4)))
 311         data.SetPaperId(wxPAPER_A4);
 312     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_A5)))
 313         data.SetPaperId(wxPAPER_A5);
 314     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_B5)))
 315         data.SetPaperId(wxPAPER_B5);
 316     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_LETTER)))
 317         data.SetPaperId(wxPAPER_LETTER);
 318     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_LEGAL)))
 319         data.SetPaperId(wxPAPER_LEGAL);
 320     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_EXECUTIVE)))
 321         data.SetPaperId(wxPAPER_EXECUTIVE);
 322     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"na_number-10")))
 323         data.SetPaperId(wxPAPER_ENV_10);
 324     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c5")))
 325         data.SetPaperId(wxPAPER_ENV_C5);
 326     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c6")))
 327         data.SetPaperId(wxPAPER_ENV_C6);
 328     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"jis-b5")))
 329         data.SetPaperId(wxPAPER_B5_TRANSVERSE);
 330     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b5")))
 331         data.SetPaperId(wxPAPER_ENV_B5);
 332     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"na_monarch")))
 333         data.SetPaperId(wxPAPER_ENV_MONARCH);
 334     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-c")))
 335         data.SetPaperId( wxPAPER_CSHEET);
 336     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-d")))
 337         data.SetPaperId( wxPAPER_DSHEET);
 338     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-e")))
 339         data.SetPaperId( wxPAPER_ESHEET);
 340     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"letter")))
 341         data.SetPaperId( wxPAPER_LETTERSMALL);
 342     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-b")))
 343         data.SetPaperId( wxPAPER_TABLOID);
 344     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"ledger")))
 345         data.SetPaperId( wxPAPER_LEDGER);
 346     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"statement")))
 347         data.SetPaperId( wxPAPER_STATEMENT);
 348     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( GTK_PAPER_NAME_A4 )))
 349         data.SetPaperId( wxPAPER_A4SMALL);
 350     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b4")))
 351         data.SetPaperId( wxPAPER_B4);
 352     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"folio")))
 353         data.SetPaperId( wxPAPER_FOLIO);
 354     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"quarto")))
 355         data.SetPaperId( wxPAPER_QUARTO);
 356     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"10x14")))
 357         data.SetPaperId( wxPAPER_10X14);
 358     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"ledger")))
 359         data.SetPaperId( wxPAPER_11X17);
 360     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"letter")))
 361         data.SetPaperId( wxPAPER_NOTE);
 362     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"na-number-9-envelope")))
 363         data.SetPaperId( wxPAPER_ENV_9);
 364     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"number-11")))
 365         data.SetPaperId( wxPAPER_ENV_11);
 366     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"number-12")))
 367         data.SetPaperId( wxPAPER_ENV_12);
 368     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"number-14")))
 369         data.SetPaperId( wxPAPER_ENV_14);
 370     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-designated")))
 371         data.SetPaperId( wxPAPER_ENV_DL);
 372     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c3")))
 373         data.SetPaperId( wxPAPER_ENV_C3);
 374     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c4")))
 375         data.SetPaperId( wxPAPER_ENV_C4);
 376     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"c6/c5")))
 377         data.SetPaperId( wxPAPER_ENV_C65);
 378     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b4")))
 379         data.SetPaperId( wxPAPER_ENV_B4);
 380     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b6")))
 381             data.SetPaperId( wxPAPER_ENV_B6);
 382     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"Italian")))
 383         data.SetPaperId( wxPAPER_ENV_ITALY);
 384     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"personal")))
 385         data.SetPaperId( wxPAPER_ENV_PERSONAL);
 386     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"fanfold-us")))
 387         data.SetPaperId( wxPAPER_FANFOLD_US);
 388     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"fanfold-European")))
 389         data.SetPaperId( wxPAPER_FANFOLD_STD_GERMAN);
 390     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"foolscap")))
 391         data.SetPaperId( wxPAPER_FANFOLD_LGL_GERMAN);
 392     else
 393         data.SetPaperId(wxPAPER_NONE);
 394     return true;
 395 }
 396
 397 // Put datas given by the wxPrintData into m_config.
 398 // Called by wxPrintData::ConvertToNative().
 399 bool wxGtkPrintNativeData::TransferFrom( const wxPrintData &data )
 400 {
 401     if(!m_config)
 402         return false;
 403
 404     wxPrintQuality quality = data.GetQuality();
 405     if (quality == wxPRINT_QUALITY_HIGH)
 406         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_HIGH);
 407     else if (quality == wxPRINT_QUALITY_MEDIUM)
 408         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_NORMAL);
 409     else if (quality == wxPRINT_QUALITY_LOW)
 410         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_LOW);
 411     else if (quality == wxPRINT_QUALITY_DRAFT)
 412         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_DRAFT);
 413     else if (quality > 1)
 414         gtk_print_settings_set_resolution (m_config, quality);
 415     else
 416         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_NORMAL);
 417
 418     gtk_print_settings_set_n_copies(m_config, data.GetNoCopies());
 419
 420     gtk_print_settings_set_use_color(m_config, data.GetColour());
 421
 422     switch (data.GetDuplex())
 423     {
 424         case wxDUPLEX_SIMPLEX:      gtk_print_settings_set_duplex (m_config, GTK_PRINT_DUPLEX_SIMPLEX);
 425                                 break;
 426
 427         case wxDUPLEX_HORIZONTAL:   gtk_print_settings_set_duplex (m_config, GTK_PRINT_DUPLEX_HORIZONTAL);
 428                                 break;
 429
 430         default:
 431         case wxDUPLEX_VERTICAL:      gtk_print_settings_set_duplex (m_config, GTK_PRINT_DUPLEX_VERTICAL);
 432                                 break;
 433     }
 434
 435     if (!data.IsOrientationReversed())
 436     {
 437         if (data.GetOrientation() == wxLANDSCAPE)
 438             gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_LANDSCAPE);
 439         else
 440             gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_PORTRAIT);
 441     }
 442     else {
 443         if (data.GetOrientation() == wxLANDSCAPE)
 444             gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE);
 445         else
 446             gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT);
 447     }
 448
 449     gtk_print_settings_set_collate (m_config, data.GetCollate());
 450
 451     // Paper formats: these are the most common paper formats.
 452     switch (data.GetPaperId())
 453     {
 454         case wxPAPER_A3:        gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A3));
 455                                 break;
 456         case wxPAPER_A4:        gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A4));
 457                                 break;
 458         case wxPAPER_A5:        gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A5));
 459                                 break;
 460         case wxPAPER_B5_TRANSVERSE:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "jis-b5"));
 461                                 break;
 462         case wxPAPER_B5:        gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_B5));
 463                                 break;
 464         case wxPAPER_LETTER:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_LETTER));
 465                                 break;
 466         case wxPAPER_LEGAL:     gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_LEGAL));
 467                                 break;
 468         case wxPAPER_EXECUTIVE: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_EXECUTIVE));
 469                                 break;
 470         case wxPAPER_ENV_10:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "na_number-10"));
 471                                 break;
 472         case wxPAPER_ENV_C5:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c5"));
 473                                 break;
 474         case wxPAPER_ENV_C6:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c6"));
 475                                 break;
 476         case wxPAPER_ENV_B5:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c5b5"));
 477                                 break;
 478         case wxPAPER_ENV_MONARCH:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "na_monarch"));
 479                                 break;
 480         case wxPAPER_CSHEET:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-c"));
 481                                 break;
 482         case wxPAPER_DSHEET:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-d"));
 483                                 break;
 484         case wxPAPER_ESHEET:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-e"));
 485                                 break;
 486         case wxPAPER_LETTERSMALL:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "letter"));
 487                                 break;
 488         case wxPAPER_TABLOID:   gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-b"));
 489                                 break;
 490         case wxPAPER_LEDGER:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "ledger"));
 491                                 break;
 492         case wxPAPER_STATEMENT:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "statement"));
 493                                 break;
 494         case wxPAPER_A4SMALL:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A4));
 495                                 break;
 496         case wxPAPER_B4:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-b4"));
 497                                 break;
 498         case wxPAPER_FOLIO:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "folio"));
 499                                 break;
 500         case wxPAPER_QUARTO:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "quarto"));
 501                                 break;
 502         case wxPAPER_10X14:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "10x14"));
 503                                 break;
 504         case wxPAPER_11X17:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "ledger"));
 505                                 break;
 506         case wxPAPER_NOTE:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "letter"));
 507                                 break;
 508         case wxPAPER_ENV_9:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "na-number-9-envelope"));
 509                                 break;
 510         case wxPAPER_ENV_11:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "number-11"));
 511                                 break;
 512         case wxPAPER_ENV_12:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "number-12"));
 513                                 break;
 514         case wxPAPER_ENV_14:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "number-14"));
 515                                 break;
 516         case wxPAPER_ENV_DL:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-designated"));
 517                                 break;
 518         case wxPAPER_ENV_C3:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c3"));
 519                                 break;
 520         case wxPAPER_ENV_C4:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c4"));
 521                                 break;
 522         case wxPAPER_ENV_C65:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "c6/c5"));
 523                                 break;
 524         case wxPAPER_ENV_B4:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-b4"));
 525                                 break;
 526         case wxPAPER_ENV_B6:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-b6"));
 527                                 break;
 528         case wxPAPER_ENV_ITALY:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "Italian"));
 529                                 break;
 530         case wxPAPER_ENV_PERSONAL:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "personal"));
 531                                 break;
 532         case wxPAPER_FANFOLD_US:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "fanfold-us"));
 533                                 break;
 534         case wxPAPER_FANFOLD_STD_GERMAN:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "fanfold-European"));
 535                                 break;
 536         case wxPAPER_FANFOLD_LGL_GERMAN:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "foolscap"));
 537                                 break;
 538         case wxPAPER_NONE:
 539         default:                break;
 540     }
 541
 542     return true;
 543 }
 544
 545 void wxGtkPrintNativeData::SetPrintConfig( GtkPrintSettings * config )
 546 {
 547     if (config)
 548         m_config = gtk_print_settings_copy(config);
 549 }
 550
 551 // Extract page setup from settings.
 552 GtkPageSetup* wxGtkPrintNativeData::GetPageSetupFromSettings(GtkPrintSettings* settings)
 553 {
 554     GtkPageSetup* page_setup = gtk_page_setup_new();
 555     gtk_page_setup_set_orientation (page_setup, gtk_print_settings_get_orientation (settings));
 556
 557     GtkPaperSize *paper_size = gtk_print_settings_get_paper_size (settings);
 558     if (paper_size != NULL)
 559         gtk_page_setup_set_paper_size_and_default_margins (page_setup, paper_size);
 560
 561     return page_setup;
 562 }
 563
 564 // Insert page setup into a given GtkPrintSettings.
 565 void wxGtkPrintNativeData::SetPageSetupToSettings(GtkPrintSettings* settings, GtkPageSetup* page_setup)
 566 {
 567     gtk_print_settings_set_orientation ( settings, gtk_page_setup_get_orientation (page_setup));
 568     gtk_print_settings_set_paper_size ( settings, gtk_page_setup_get_paper_size (page_setup));
 569 }
 570
 571 //----------------------------------------------------------------------------
 572 // wxGtkPrintDialog
 573 //----------------------------------------------------------------------------
 574
 575 IMPLEMENT_CLASS(wxGtkPrintDialog, wxPrintDialogBase)
 576
 577 wxGtkPrintDialog::wxGtkPrintDialog( wxWindow *parent, wxPrintDialogData *data )
 578                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 579                                wxPoint(0, 0), wxSize(600, 600),
 580                                wxDEFAULT_DIALOG_STYLE |
 581                                wxTAB_TRAVERSAL)
 582 {
 583     if (data)
 584         m_printDialogData = *data;
 585
 586     m_parent = parent;
 587     SetShowDialog(true);
 588 }
 589
 590 wxGtkPrintDialog::wxGtkPrintDialog( wxWindow *parent, wxPrintData *data )
 591                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 592                                wxPoint(0, 0), wxSize(600, 600),
 593                                wxDEFAULT_DIALOG_STYLE |
 594                                wxTAB_TRAVERSAL)
 595 {
 596     if (data)
 597         m_printDialogData = *data;
 598
 599     m_parent = parent;
 600     SetShowDialog(true);
 601 }
 602
 603
 604 wxGtkPrintDialog::~wxGtkPrintDialog()
 605 {
 606 }
 607
 608 // This is called even if we actually don't want the dialog to appear.
 609 int wxGtkPrintDialog::ShowModal()
 610 {
 611     GtkPrintOperationResult response;
 612
 613     // We need to restore the settings given in the constructor.
 614     wxPrintData data = m_printDialogData.GetPrintData();
 615     wxGtkPrintNativeData *native =
 616       (wxGtkPrintNativeData*) data.GetNativeData();
 617     data.ConvertToNative();
 618
 619     GtkPrintSettings * settings = native->GetPrintConfig();
 620
 621     // We have to restore pages to print here because they're stored in a wxPrintDialogData and ConvertToNative only works for wxPrintData.
 622     int fromPage = m_printDialogData.GetFromPage();
 623     int toPage = m_printDialogData.GetToPage();
 624     if (m_printDialogData.GetSelection())
 625         gtk_print_settings_set_print_pages(settings, GTK_PRINT_PAGES_CURRENT);
 626     else if (m_printDialogData.GetAllPages())
 627         gtk_print_settings_set_print_pages(settings, GTK_PRINT_PAGES_ALL);
 628     else {
 629         gtk_print_settings_set_print_pages(settings, GTK_PRINT_PAGES_RANGES);
 630         GtkPageRange *range;
 631         range = g_new (GtkPageRange, 1);
 632         range[0].start = fromPage-1;
 633         range[0].end = (toPage >= fromPage) ? toPage-1 : fromPage-1;
 634         gtk_print_settings_set_page_ranges (settings, range, 1);
 635     }
 636
 637     // If the settings are OK, we restore it.
 638     if (settings != NULL)
 639         gtk_print_operation_set_print_settings (native->GetPrintJob(), settings);
 640     gtk_print_operation_set_default_page_setup (native->GetPrintJob(), native->GetPageSetupFromSettings(settings));
 641
 642     // Show the dialog if needed.
 643     GError* gError = NULL;
 644     if (GetShowDialog())
 645         response = gtk_print_operation_run (native->GetPrintJob(), GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG, GTK_WINDOW(gtk_widget_get_toplevel(m_parent->m_widget) ), &gError);
 646     else
 647         response = gtk_print_operation_run (native->GetPrintJob(), GTK_PRINT_OPERATION_ACTION_PRINT, GTK_WINDOW(gtk_widget_get_toplevel(m_parent->m_widget)), &gError);
 648
 649     // Does everything went well?
 650     if (response == GTK_PRINT_OPERATION_RESULT_CANCEL)
 651     {
 652         return wxID_CANCEL;
 653     }
 654     else if (response == GTK_PRINT_OPERATION_RESULT_ERROR)
 655     {
 656         g_error_free (gError);
 657         wxLogError(_("Error while printing: ") + wxString::Format(_("%s"), gError->message));
 658         return wxID_NO; // We use wxID_NO because there is no wxID_ERROR available
 659     }
 660
 661     // Now get the settings and save it.
 662     GtkPrintSettings* newSettings = gtk_print_operation_get_print_settings (native->GetPrintJob());
 663     native->SetPrintConfig(newSettings);
 664     data.ConvertFromNative();
 665
 666     // Same problem as a few lines before.
 667     switch (gtk_print_settings_get_print_pages(newSettings))
 668     {
 669         case GTK_PRINT_PAGES_CURRENT:
 670             m_printDialogData.SetSelection( true );
 671             break;
 672         case GTK_PRINT_PAGES_RANGES:
 673             {// wxWidgets doesn't support multiple ranges, so we can only save the first one even if the user wants to print others.
 674             // 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
 675             // will hit "OK" button. However we can only save 1-3 in the print data.
 676             gint num_ranges = 0;
 677             GtkPageRange* range;
 678             range = gtk_print_settings_get_page_ranges (newSettings, &num_ranges);
 679             if (num_ranges >= 1)
 680             {
 681                 m_printDialogData.SetFromPage( range[0].start );
 682                 m_printDialogData.SetToPage( range[0].end );
 683             }
 684             else {
 685                 m_printDialogData.SetAllPages( true );
 686                 m_printDialogData.SetFromPage( 0 );
 687                 m_printDialogData.SetToPage( 9999 );
 688             }
 689             break;}
 690         case GTK_PRINT_PAGES_ALL:
 691         default:
 692             m_printDialogData.SetAllPages( true );
 693             m_printDialogData.SetFromPage( 0 );
 694             m_printDialogData.SetToPage( 9999 );
 695             break;
 696     }
 697
 698     return wxID_OK;
 699 }
 700
 701 //----------------------------------------------------------------------------
 702 // wxGtkPageSetupDialog
 703 //----------------------------------------------------------------------------
 704
 705 IMPLEMENT_CLASS(wxGtkPageSetupDialog, wxPageSetupDialogBase)
 706
 707 wxGtkPageSetupDialog::wxGtkPageSetupDialog( wxWindow *parent,
 708                             wxPageSetupDialogData* data )
 709 {
 710     if (data)
 711         m_pageDialogData = *data;
 712
 713     m_parent = parent;
 714 }
 715
 716 wxGtkPageSetupDialog::~wxGtkPageSetupDialog()
 717 {
 718 }
 719
 720 int wxGtkPageSetupDialog::ShowModal()
 721 {
 722     // Get the config.
 723     m_pageDialogData.GetPrintData().ConvertToNative();
 724     wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) m_pageDialogData.GetPrintData().GetNativeData();
 725     GtkPrintSettings* nativeData = native->GetPrintConfig();
 726
 727     // We only need the pagesetup data which are part of the settings.
 728     GtkPageSetup* oldPageSetup = native->GetPageSetupFromSettings(nativeData);
 729
 730     // If the user used a custom paper format the last time he printed, we have to restore it too.
 731     if (m_pageDialogData.GetPrintData().GetPaperId() == wxPAPER_NONE)
 732     {
 733         wxSize customPaperSize = m_pageDialogData.GetPaperSize();
 734         if (customPaperSize.GetWidth() > 0 && customPaperSize.GetHeight() > 0)
 735         {
 736             wxString title = _("Custom size");
 737             GtkPaperSize* customSize = gtk_paper_size_new_custom ("custom", title.mb_str(), (gdouble) customPaperSize.GetWidth(), (gdouble) customPaperSize.GetHeight(), GTK_UNIT_MM);
 738             gtk_page_setup_set_paper_size_and_default_margins (oldPageSetup, customSize);
 739             g_object_unref(customSize);
 740         }
 741     }
 742
 743     // Now show the dialog.
 744     GtkPageSetup* newPageSetup = gtk_print_run_page_setup_dialog (GTK_WINDOW(m_parent->m_widget),
 745                                                            oldPageSetup,
 746                                                            nativeData);
 747
 748     int ret;
 749     if (newPageSetup != oldPageSetup)
 750     {
 751         native->SetPageSetupToSettings(nativeData, newPageSetup);
 752         m_pageDialogData.GetPrintData().ConvertFromNative();
 753
 754         // Store custom paper format if any.
 755         if (m_pageDialogData.GetPrintData().GetPaperId() == wxPAPER_NONE)
 756         {
 757             gdouble ml,mr,mt,mb,pw,ph;
 758             ml = gtk_page_setup_get_left_margin (newPageSetup, GTK_UNIT_MM);
 759             mr = gtk_page_setup_get_right_margin (newPageSetup, GTK_UNIT_MM);
 760             mt = gtk_page_setup_get_top_margin (newPageSetup, GTK_UNIT_MM);
 761             mb = gtk_page_setup_get_bottom_margin (newPageSetup, GTK_UNIT_MM);
 762
 763             pw = gtk_page_setup_get_paper_width (newPageSetup, GTK_UNIT_MM);
 764             ph = gtk_page_setup_get_paper_height (newPageSetup, GTK_UNIT_MM);
 765
 766             m_pageDialogData.SetMarginTopLeft( wxPoint( (int)(ml+0.5), (int)(mt+0.5)) );
 767             m_pageDialogData.SetMarginBottomRight( wxPoint( (int)(mr+0.5), (int)(mb+0.5)) );
 768
 769             m_pageDialogData.SetPaperSize( wxSize( (int)(pw+0.5), (int)(ph+0.5) ) );
 770         }
 771
 772         ret = wxID_OK;
 773     }
 774     else
 775     {
 776         ret = wxID_CANCEL;
 777     }
 778
 779     return ret;
 780 }
 781
 782 //----------------------------------------------------------------------------
 783 // wxGtkPrinter
 784 //----------------------------------------------------------------------------
 785
 786 IMPLEMENT_CLASS(wxGtkPrinter, wxPrinterBase)
 787
 788 wxGtkPrinter::wxGtkPrinter( wxPrintDialogData *data ) :
 789     wxPrinterBase( data )
 790 {
 791     m_gpc = NULL;
 792
 793     if (data)
 794         m_printDialogData = *data;
 795 }
 796
 797 wxGtkPrinter::~wxGtkPrinter()
 798 {
 799 }
 800
 801 bool wxGtkPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt )
 802 {
 803     if (!printout)
 804     {
 805         sm_lastError = wxPRINTER_ERROR;
 806         return false;
 807     }
 808
 809     // Let's correct the PageInfo just in case the app gives wrong values.
 810     int fromPage, toPage;
 811     int minPage, maxPage;
 812     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 813     m_printDialogData.SetAllPages(true);
 814
 815     if (minPage < 1) minPage = 1;
 816     if (maxPage < 1) maxPage = 9999;
 817     if (maxPage < minPage) maxPage = minPage;
 818
 819     m_printDialogData.SetMinPage(minPage);
 820     m_printDialogData.SetMaxPage(maxPage);
 821     if (fromPage != 0)
 822     {
 823         if (fromPage < minPage) fromPage = minPage;
 824         else if (fromPage > maxPage) fromPage = maxPage;
 825         m_printDialogData.SetFromPage(fromPage);
 826     }
 827     if (toPage != 0)
 828     {
 829         m_printDialogData.SetToPage(toPage);
 830         if (toPage > maxPage) toPage = maxPage;
 831         else if (toPage < minPage) toPage = minPage;
 832     }
 833
 834     if (((minPage != fromPage) && fromPage != 0) || ((maxPage != toPage) && toPage != 0)) m_printDialogData.SetAllPages(false);
 835
 836
 837     wxPrintData printdata = GetPrintDialogData().GetPrintData();
 838     wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) printdata.GetNativeData();
 839
 840     GtkPrintOperation *printOp = gtk_print_operation_new ();
 841
 842     native->SetPrintJob( printOp );
 843
 844     printout->SetIsPreview(false);
 845
 846     wxPrinterToGtkData dataToSend;
 847     dataToSend.printer = this;
 848     dataToSend.printout = printout;
 849
 850     // These Gtk signals are caught here.
 851     g_signal_connect (printOp, "begin-print", G_CALLBACK (gtk_begin_print_callback), &dataToSend);
 852     g_signal_connect (printOp, "draw-page", G_CALLBACK (gtk_draw_page_print_callback), &dataToSend);
 853     g_signal_connect (printOp, "end-print", G_CALLBACK (gtk_end_print_callback), printout);
 854     g_signal_connect (printOp, "preview", G_CALLBACK (gtk_preview_print_callback), printout);
 855
 856     // This is used to setup the DC and
 857     // show the dialog if desired
 858     wxGtkPrintDialog dialog( parent, &m_printDialogData );
 859     dialog.SetPrintDC(m_dc);
 860     dialog.SetShowDialog(prompt);
 861
 862     // doesn't necessarily show
 863     int ret = dialog.ShowModal();
 864     if (ret == wxID_CANCEL)
 865     {
 866         sm_lastError = wxPRINTER_CANCELLED;
 867     }
 868     if (ret == wxID_NO)
 869     {
 870         sm_lastError = wxPRINTER_ERROR;
 871         wxFAIL_MSG(_("The print dialog returned an error."));
 872     }
 873
 874     g_object_unref (printOp);
 875
 876     return (sm_lastError == wxPRINTER_NO_ERROR);
 877 }
 878
 879 void wxGtkPrinter::BeginPrint(wxPrintout *printout, GtkPrintOperation *operation, GtkPrintContext *context)
 880 {
 881     wxPrintData printdata = GetPrintDialogData().GetPrintData();
 882     wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) printdata.GetNativeData();
 883
 884     SetPrintContext(context);
 885     native->SetPrintContext( context );
 886
 887     wxGtkPrintDC *printDC = new wxGtkPrintDC( printdata );
 888     m_dc = printDC;
 889
 890     if (!m_dc->IsOk())
 891     {
 892         if (sm_lastError != wxPRINTER_CANCELLED)
 893         {
 894             sm_lastError = wxPRINTER_ERROR;
 895             wxFAIL_MSG(_("The wxGtkPrintDC cannot be used."));
 896         }
 897         return;
 898     }
 899     wxSize ScreenPixels = wxGetDisplaySize();
 900     wxSize ScreenMM = wxGetDisplaySizeMM();
 901
 902     printout->SetPPIScreen( (int) ((ScreenPixels.GetWidth() * 25.4) / ScreenMM.GetWidth()),
 903                             (int) ((ScreenPixels.GetHeight() * 25.4) / ScreenMM.GetHeight()) );
 904     printout->SetPPIPrinter( printDC->GetResolution(),
 905                              printDC->GetResolution() );
 906
 907     printout->SetDC(m_dc);
 908
 909     int w, h;
 910     m_dc->GetSize(&w, &h);
 911     printout->SetPageSizePixels((int)w, (int)h);
 912     printout->SetPaperRectPixels(wxRect(0, 0, w, h));
 913     int mw, mh;
 914     m_dc->GetSizeMM(&mw, &mh);
 915     printout->SetPageSizeMM((int)mw, (int)mh);
 916     printout->OnPreparePrinting();
 917
 918     // Get some parameters from the printout, if defined.
 919     int fromPage, toPage;
 920     int minPage, maxPage;
 921     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 922
 923     if (maxPage == 0)
 924     {
 925         sm_lastError = wxPRINTER_ERROR;
 926         wxFAIL_MSG(_("wxPrintout::GetPageInfo gives a null maxPage."));
 927         return;
 928     }
 929
 930     printout->OnBeginPrinting();
 931
 932     int numPages = 0;
 933
 934     // If we're not previewing we need to calculate the number of pages to print.
 935     // If we're previewing, Gtk Print will render every pages without wondering about the page ranges the user may
 936     // have defined in the dialog. So the number of pages is the maximum available.
 937     if (!printout->IsPreview())
 938     {
 939         GtkPrintSettings * settings = gtk_print_operation_get_print_settings (operation);
 940         switch (gtk_print_settings_get_print_pages(settings))
 941         {
 942             case GTK_PRINT_PAGES_CURRENT:
 943                 numPages = 1;
 944                 break;
 945             case GTK_PRINT_PAGES_RANGES:
 946                 {gint num_ranges = 0;
 947                 GtkPageRange* range;
 948                 int i;
 949                 range = gtk_print_settings_get_page_ranges (settings, &num_ranges);
 950                 for (i=0; i<num_ranges; i++)
 951                 {
 952                     if (range[i].end < range[i].start) range[i].end = range[i].start;
 953                     if (range[i].start < minPage-1) range[i].start = minPage-1;
 954                     if (range[i].end > maxPage-1) range[i].end = maxPage-1;
 955                     if (range[i].start > maxPage-1) range[i].start = maxPage-1;
 956                     numPages += range[i].end - range[i].start + 1;
 957                 }
 958                 gtk_print_settings_set_page_ranges (settings, range, 1);
 959                 break;}
 960             case GTK_PRINT_PAGES_ALL:
 961             default:
 962                 numPages = maxPage - minPage + 1;
 963                 break;
 964         }
 965     }
 966     else numPages = maxPage - minPage + 1;
 967
 968     gtk_print_operation_set_n_pages(operation, numPages);
 969 }
 970
 971 void wxGtkPrinter::DrawPage(wxPrintout *printout, GtkPrintOperation *operation, GtkPrintContext *context, int page_nr)
 972 {
 973     int fromPage, toPage, minPage, maxPage, startPage, endPage;
 974     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 975
 976     int numPageToDraw = page_nr + minPage;
 977     if (numPageToDraw < minPage) numPageToDraw = minPage;
 978     if (numPageToDraw > maxPage) numPageToDraw = maxPage;
 979
 980     GtkPrintSettings * settings = gtk_print_operation_get_print_settings (operation);
 981     switch (gtk_print_settings_get_print_pages(settings))
 982     {
 983         case GTK_PRINT_PAGES_CURRENT:
 984             g_object_get_property((GObject*) operation, (const gchar *) "current-page", (GValue*) &startPage);
 985             g_object_get_property((GObject*) operation, (const gchar *) "current-page", (GValue*) &endPage);
 986             break;
 987         case GTK_PRINT_PAGES_RANGES:
 988             {gint num_ranges = 0;
 989             GtkPageRange* range;
 990             range = gtk_print_settings_get_page_ranges (settings, &num_ranges);
 991             // We don't need to verify these values as it has already been done in wxGtkPrinter::BeginPrint.
 992             if (num_ranges >= 1)
 993             {
 994                 startPage = range[0].start + 1;
 995                 endPage = range[0].end + 1;
 996             }
 997             else {
 998                 startPage = minPage;
 999                 endPage = maxPage;
1000             }
1001             break;}
1002         case GTK_PRINT_PAGES_ALL:
1003         default:
1004             startPage = minPage;
1005             endPage = maxPage;
1006             break;
1007     }
1008
1009     if(numPageToDraw == startPage)
1010     {
1011         if (!printout->OnBeginDocument(startPage, endPage))
1012         {
1013             wxLogError(_("Could not start printing."));
1014             sm_lastError = wxPRINTER_ERROR;
1015         }
1016     }
1017
1018     // The app can render the page numPageToDraw.
1019     if (printout->HasPage(numPageToDraw))
1020     {
1021         m_dc->StartPage();
1022         printout->OnPrintPage(numPageToDraw);
1023         m_dc->EndPage();
1024     }
1025
1026
1027     if(numPageToDraw == endPage)
1028     {
1029         printout->OnEndDocument();
1030     }
1031 }
1032
1033 wxDC* wxGtkPrinter::PrintDialog( wxWindow *parent )
1034 {
1035     wxGtkPrintDialog dialog( parent, &m_printDialogData );
1036
1037     dialog.SetPrintDC(m_dc);
1038     dialog.SetShowDialog(true);
1039
1040     int ret = dialog.ShowModal();
1041
1042     if (ret == wxID_CANCEL)
1043     {
1044         sm_lastError = wxPRINTER_CANCELLED;
1045         return NULL;
1046     }
1047     if (ret == wxID_NO)
1048     {
1049         sm_lastError = wxPRINTER_ERROR;
1050         wxFAIL_MSG(_("The print dialog returned an error."));
1051         return NULL;
1052     }
1053
1054     m_printDialogData = dialog.GetPrintDialogData();
1055     return new wxGtkPrintDC( m_printDialogData.GetPrintData() );
1056 }
1057
1058 bool wxGtkPrinter::Setup( wxWindow *parent )
1059 {
1060     // Obsolete, for backward compatibility.
1061     return false;
1062 }
1063
1064 //-----------------------------------------------------------------------------
1065 // wxGtkPrintDC
1066 //-----------------------------------------------------------------------------
1067
1068 #define XLOG2DEV(x)     ((double)(LogicalToDeviceX(x)) * m_DEV2PS)
1069 #define XLOG2DEVREL(x)  ((double)(LogicalToDeviceXRel(x)) * m_DEV2PS)
1070 #define YLOG2DEV(x)     ((double)(LogicalToDeviceY(x)) * m_DEV2PS)
1071 #define YLOG2DEVREL(x)  ((double)(LogicalToDeviceYRel(x)) * m_DEV2PS)
1072
1073 IMPLEMENT_CLASS(wxGtkPrintDC, wxDC)
1074
1075 wxGtkPrintDC::wxGtkPrintDC( const wxPrintData& data )
1076 {
1077     m_printData = data;
1078
1079     wxGtkPrintNativeData *native =
1080         (wxGtkPrintNativeData*) m_printData.GetNativeData();
1081
1082     m_gpc = native->GetPrintContext();
1083
1084     // Match print quality to resolution (high = 1200dpi)
1085     m_resolution = m_printData.GetQuality(); // (int) gtk_print_context_get_dpi_x( m_gpc );
1086     if (m_resolution < 0)
1087         m_resolution = (1 << (m_resolution+4)) *150;
1088
1089     m_PS2DEV = (double)m_resolution / 72.0;
1090     m_DEV2PS = 72.0 / (double)m_resolution;
1091
1092     m_context = gtk_print_context_create_pango_context( m_gpc );
1093     m_layout = gtk_print_context_create_pango_layout ( m_gpc );
1094     m_fontdesc = pango_font_description_from_string( "Sans 12" );
1095
1096     m_cairo = gtk_print_context_get_cairo_context ( m_gpc );
1097
1098     m_currentRed = 0;
1099     m_currentBlue = 0;
1100     m_currentGreen = 0;
1101
1102     m_signX = 1;  // default x-axis left to right.
1103     m_signY = 1;  // default y-axis bottom up -> top down.
1104
1105     // By default the origin of the cairo context is in the upper left
1106     // corner of the printable area. We need to translate it so that it
1107     // is in the upper left corner of the paper (without margins)
1108     GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc );
1109     gdouble ml, mt;
1110     ml = gtk_page_setup_get_left_margin (setup, GTK_UNIT_POINTS);
1111     mt = gtk_page_setup_get_top_margin (setup, GTK_UNIT_POINTS);
1112     gs_cairo->cairo_translate(m_cairo, -ml, -mt);
1113 }
1114
1115 wxGtkPrintDC::~wxGtkPrintDC()
1116 {
1117     g_object_unref(m_context);
1118     g_object_unref(m_layout);
1119 }
1120
1121 bool wxGtkPrintDC::IsOk() const
1122 {
1123     return (m_gpc != NULL);
1124 }
1125
1126 bool wxGtkPrintDC::DoFloodFill(wxCoord x1, wxCoord y1, const wxColour &col, int style )
1127 {
1128     // We can't access the given coord as a cairo context is scalable, ie a coord doesn't mean anything in this context.
1129     wxFAIL_MSG(_("not implemented"));
1130     return false;
1131 }
1132
1133 void wxGtkPrintDC::DoGradientFillConcentric(const wxRect& rect, const wxColour& initialColour, const wxColour& destColour, const wxPoint& circleCenter)
1134 {
1135     wxCoord xC = circleCenter.x;
1136     wxCoord yC = circleCenter.y;
1137     wxCoord xR = rect.x;
1138     wxCoord yR = rect.y;
1139     wxCoord w =  rect.width;
1140     wxCoord h = rect.height;
1141
1142     double radius = sqrt((w/2)*(w/2)+(h/2)*(h/2));
1143
1144     unsigned char redI = initialColour.Red();
1145     unsigned char blueI = initialColour.Blue();
1146     unsigned char greenI = initialColour.Green();
1147     unsigned char alphaI = initialColour.Alpha();
1148     unsigned char redD = destColour.Red();
1149     unsigned char blueD = destColour.Blue();
1150     unsigned char greenD = destColour.Green();
1151     unsigned char alphaD = destColour.Alpha();
1152
1153     double redIPS = (double)(redI) / 255.0;
1154     double blueIPS = (double)(blueI) / 255.0;
1155     double greenIPS = (double)(greenI) / 255.0;
1156     double alphaIPS = (double)(alphaI) / 255.0;
1157     double redDPS = (double)(redD) / 255.0;
1158     double blueDPS = (double)(blueD) / 255.0;
1159     double greenDPS = (double)(greenD) / 255.0;
1160     double alphaDPS = (double)(alphaD) / 255.0;
1161
1162     // Create a pattern with the gradient.
1163     cairo_pattern_t* gradient;
1164     gradient = gs_cairo->cairo_pattern_create_radial (XLOG2DEV(xC+xR), YLOG2DEV(yC+yR), 0, XLOG2DEV(xC+xR), YLOG2DEV(yC+yR), radius * m_DEV2PS );
1165     gs_cairo->cairo_pattern_add_color_stop_rgba (gradient, 0.0, redIPS, greenIPS, blueIPS, alphaIPS);
1166     gs_cairo->cairo_pattern_add_color_stop_rgba (gradient, 1.0, redDPS, greenDPS, blueDPS, alphaDPS);
1167
1168     // Fill the rectangle with this pattern.
1169     gs_cairo->cairo_set_source(m_cairo, gradient);
1170     gs_cairo->cairo_rectangle (m_cairo, XLOG2DEV(xR), YLOG2DEV(yR), XLOG2DEVREL(w), YLOG2DEVREL(h) );
1171     gs_cairo->cairo_fill(m_cairo);
1172
1173     gs_cairo->cairo_pattern_destroy(gradient);
1174
1175     CalcBoundingBox(xR, yR);
1176     CalcBoundingBox(xR+w, yR+h);
1177 }
1178
1179 void wxGtkPrintDC::DoGradientFillLinear(const wxRect& rect, const wxColour& initialColour, const wxColour& destColour, wxDirection nDirection)
1180 {
1181     wxCoord x = rect.x;
1182     wxCoord y = rect.y;
1183     wxCoord w = rect.width;
1184     wxCoord h = rect.height;
1185
1186     unsigned char redI = initialColour.Red();
1187     unsigned char blueI = initialColour.Blue();
1188     unsigned char greenI = initialColour.Green();
1189     unsigned char alphaI = initialColour.Alpha();
1190     unsigned char redD = destColour.Red();
1191     unsigned char blueD = destColour.Blue();
1192     unsigned char greenD = destColour.Green();
1193     unsigned char alphaD = destColour.Alpha();
1194
1195     double redIPS = (double)(redI) / 255.0;
1196     double blueIPS = (double)(blueI) / 255.0;
1197     double greenIPS = (double)(greenI) / 255.0;
1198     double alphaIPS = (double)(alphaI) / 255.0;
1199     double redDPS = (double)(redD) / 255.0;
1200     double blueDPS = (double)(blueD) / 255.0;
1201     double greenDPS = (double)(greenD) / 255.0;
1202     double alphaDPS = (double)(alphaD) / 255.0;
1203
1204     // Create a pattern with the gradient.
1205     cairo_pattern_t* gradient;
1206     gradient = gs_cairo->cairo_pattern_create_linear (XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x+w), YLOG2DEV(y));
1207
1208     if (nDirection == wxWEST)
1209     {
1210         gs_cairo->cairo_pattern_add_color_stop_rgba (gradient, 0.0, redDPS, greenDPS, blueDPS, alphaDPS);
1211         gs_cairo->cairo_pattern_add_color_stop_rgba (gradient, 1.0, redIPS, greenIPS, blueIPS, alphaIPS);
1212     }
1213     else {
1214         gs_cairo->cairo_pattern_add_color_stop_rgba (gradient, 0.0, redIPS, greenIPS, blueIPS, alphaIPS);
1215         gs_cairo->cairo_pattern_add_color_stop_rgba (gradient, 1.0, redDPS, greenDPS, blueDPS, alphaDPS);
1216     }
1217
1218     // Fill the rectangle with this pattern.
1219     gs_cairo->cairo_set_source(m_cairo, gradient);
1220     gs_cairo->cairo_rectangle (m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(w), YLOG2DEVREL(h) );
1221     gs_cairo->cairo_fill(m_cairo);
1222
1223     gs_cairo->cairo_pattern_destroy(gradient);
1224
1225     CalcBoundingBox(x, y);
1226     CalcBoundingBox(x+w, y+h);
1227 }
1228
1229 bool wxGtkPrintDC::DoGetPixel(wxCoord x1, wxCoord y1, wxColour *col) const
1230 {
1231     // We can't access the given coord as a cairo context is scalable, ie a coord doesn't mean anything in this context.
1232     wxFAIL_MSG(_("not implemented"));
1233     return false;
1234 }
1235
1236 void wxGtkPrintDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
1237 {
1238     if  (m_pen.GetStyle() == wxTRANSPARENT) return;
1239
1240     SetPen( m_pen );
1241     gs_cairo->cairo_move_to ( m_cairo, XLOG2DEV(x1), YLOG2DEV(y1) );
1242     gs_cairo->cairo_line_to ( m_cairo, XLOG2DEV(x2), YLOG2DEV(y2) );
1243     gs_cairo->cairo_stroke ( m_cairo );
1244
1245     CalcBoundingBox( x1, y1 );
1246     CalcBoundingBox( x2, y2 );
1247 }
1248
1249 void wxGtkPrintDC::DoCrossHair(wxCoord x, wxCoord y)
1250 {
1251     int w, h;
1252     DoGetSize(&w, &h);
1253
1254     SetPen(m_pen);
1255
1256     gs_cairo->cairo_move_to (m_cairo, XLOG2DEV(x), 0);
1257     gs_cairo->cairo_line_to (m_cairo, XLOG2DEV(x), YLOG2DEVREL(h));
1258     gs_cairo->cairo_move_to (m_cairo, 0, YLOG2DEV(y));
1259     gs_cairo->cairo_line_to (m_cairo, XLOG2DEVREL(w), YLOG2DEV(y));
1260
1261     gs_cairo->cairo_stroke (m_cairo);
1262     CalcBoundingBox( 0, 0 );
1263     CalcBoundingBox( w, h );
1264 }
1265
1266 void wxGtkPrintDC::DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc)
1267 {
1268     double dx = x1 - xc;
1269     double dy = y1 - yc;
1270     double radius = sqrt((double)(dx*dx+dy*dy));
1271
1272     double alpha1, alpha2;
1273     if (x1 == x2 && y1 == y2)
1274     {
1275         alpha1 = 0.0;
1276         alpha2 = 360.0;
1277     }
1278     else
1279     if (radius == 0.0)
1280     {
1281         alpha1 = alpha2 = 0.0;
1282     }
1283     else
1284     {
1285         alpha1 = (x1 - xc == 0) ?
1286             (y1 - yc < 0) ? 90.0 : -90.0 :
1287             atan2(double(y1-yc), double(x1-xc)) * RAD2DEG;
1288         alpha2 = (x2 - xc == 0) ?
1289             (y2 - yc < 0) ? 90.0 : -90.0 :
1290             atan2(double(y2-yc), double(x2-xc)) * RAD2DEG;
1291
1292         while (alpha1 <= 0)   alpha1 += 360;
1293         while (alpha2 <= 0)   alpha2 += 360; // adjust angles to be between.
1294         while (alpha1 > 360)  alpha1 -= 360; // 0 and 360 degree.
1295         while (alpha2 > 360)  alpha2 -= 360;
1296     }
1297
1298     alpha1 *= DEG2RAD;
1299     alpha2 *= DEG2RAD;
1300
1301     gs_cairo->cairo_new_path(m_cairo);
1302
1303     gs_cairo->cairo_arc_negative ( m_cairo, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2);
1304     gs_cairo->cairo_line_to(m_cairo, XLOG2DEV(xc), YLOG2DEV(yc));
1305     gs_cairo->cairo_close_path (m_cairo);
1306
1307     SetBrush( m_brush );
1308     gs_cairo->cairo_fill_preserve( m_cairo );
1309
1310     SetPen (m_pen);
1311     gs_cairo->cairo_stroke( m_cairo );
1312
1313     CalcBoundingBox (x1, y1);
1314     CalcBoundingBox (xc, yc);
1315     CalcBoundingBox (x2, y2);
1316 }
1317
1318 void wxGtkPrintDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
1319 {
1320     gs_cairo->cairo_save( m_cairo );
1321
1322     gs_cairo->cairo_new_path(m_cairo);
1323
1324     gs_cairo->cairo_translate( m_cairo, XLOG2DEV((wxCoord) (x + w / 2.)), XLOG2DEV((wxCoord) (y + h / 2.)) );
1325     double scale = (double)YLOG2DEVREL(h) / (double) XLOG2DEVREL(w);
1326     gs_cairo->cairo_scale( m_cairo, 1.0, scale );
1327
1328     gs_cairo->cairo_arc_negative ( m_cairo, 0, 0, XLOG2DEVREL(w/2), -sa*DEG2RAD, -ea*DEG2RAD);
1329
1330     SetPen (m_pen);
1331     gs_cairo->cairo_stroke_preserve( m_cairo );
1332
1333     gs_cairo->cairo_line_to(m_cairo, 0,0);
1334
1335     SetBrush( m_brush );
1336     gs_cairo->cairo_fill( m_cairo );
1337
1338     gs_cairo->cairo_restore( m_cairo );
1339
1340     CalcBoundingBox( x, y);
1341     CalcBoundingBox( x+w, y+h );
1342 }
1343
1344 void wxGtkPrintDC::DoDrawPoint(wxCoord x, wxCoord y)
1345 {
1346     if  (m_pen.GetStyle() == wxTRANSPARENT) return;
1347
1348     SetPen( m_pen );
1349
1350     gs_cairo->cairo_move_to ( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1351     gs_cairo->cairo_line_to ( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1352     gs_cairo->cairo_stroke ( m_cairo );
1353
1354     CalcBoundingBox( x, y );
1355 }
1356
1357 void wxGtkPrintDC::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
1358 {
1359     if (m_pen.GetStyle() == wxTRANSPARENT) return;
1360
1361     if (n <= 0) return;
1362
1363     SetPen (m_pen);
1364
1365     int i;
1366     for ( i =0; i<n ; i++ )
1367         CalcBoundingBox( points[i].x+xoffset, points[i].y+yoffset);
1368
1369     gs_cairo->cairo_move_to ( m_cairo, XLOG2DEV(points[0].x+xoffset), YLOG2DEV(points[0].y+yoffset) );
1370
1371     for (i = 1; i < n; i++)
1372         gs_cairo->cairo_line_to ( m_cairo, XLOG2DEV(points[i].x+xoffset), YLOG2DEV(points[i].y+yoffset) );
1373
1374     gs_cairo->cairo_stroke ( m_cairo);
1375 }
1376
1377 void wxGtkPrintDC::DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
1378 {
1379     if (n==0) return;
1380
1381     gs_cairo->cairo_save(m_cairo);
1382     if (fillStyle == wxWINDING_RULE)
1383         gs_cairo->cairo_set_fill_rule( m_cairo, CAIRO_FILL_RULE_WINDING);
1384     else
1385         gs_cairo->cairo_set_fill_rule( m_cairo, CAIRO_FILL_RULE_EVEN_ODD);
1386
1387     int x = points[0].x + xoffset;
1388     int y = points[0].y + yoffset;
1389     gs_cairo->cairo_new_path(m_cairo);
1390     gs_cairo->cairo_move_to( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1391     int i;
1392     for (i = 1; i < n; i++)
1393     {
1394         int x = points[i].x + xoffset;
1395         int y = points[i].y + yoffset;
1396         gs_cairo->cairo_line_to( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1397     }
1398     gs_cairo->cairo_close_path(m_cairo);
1399
1400     SetBrush( m_brush );
1401     gs_cairo->cairo_fill_preserve( m_cairo );
1402
1403     SetPen (m_pen);
1404     gs_cairo->cairo_stroke( m_cairo );
1405
1406     CalcBoundingBox( x, y );
1407
1408     gs_cairo->cairo_restore(m_cairo);
1409 }
1410
1411 void wxGtkPrintDC::DoDrawPolyPolygon(int n, int count[], wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
1412 {
1413     wxDC::DoDrawPolyPolygon( n, count, points, xoffset, yoffset, fillStyle );
1414 }
1415
1416 void wxGtkPrintDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1417 {
1418     width--;
1419     height--;
1420
1421     gs_cairo->cairo_new_path(m_cairo);
1422     gs_cairo->cairo_rectangle ( m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(width), YLOG2DEVREL(height));
1423
1424     SetBrush( m_brush );
1425     gs_cairo->cairo_fill_preserve( m_cairo );
1426
1427     SetPen (m_pen);
1428     gs_cairo->cairo_stroke( m_cairo );
1429
1430     CalcBoundingBox( x, y );
1431     CalcBoundingBox( x + width, y + height );
1432 }
1433
1434 void wxGtkPrintDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
1435 {
1436     width--;
1437     height--;
1438
1439     if (radius < 0.0) radius = - radius * ((width < height) ? width : height);
1440
1441     wxCoord dd = 2 * (wxCoord) radius;
1442     if (dd > width) dd = width;
1443     if (dd > height) dd = height;
1444     radius = dd / 2;
1445
1446     wxCoord rad = (wxCoord) radius;
1447
1448     gs_cairo->cairo_new_path(m_cairo);
1449     gs_cairo->cairo_move_to(m_cairo,XLOG2DEV(x + rad),YLOG2DEV(y));
1450     gs_cairo->cairo_curve_to(m_cairo,
1451                                 XLOG2DEV(x + rad),YLOG2DEV(y),
1452                                 XLOG2DEV(x),YLOG2DEV(y),
1453                                 XLOG2DEV(x),YLOG2DEV(y + rad));
1454     gs_cairo->cairo_line_to(m_cairo,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1455     gs_cairo->cairo_curve_to(m_cairo,
1456                                 XLOG2DEV(x),YLOG2DEV(y + height - rad),
1457                                 XLOG2DEV(x),YLOG2DEV(y + height),
1458                                 XLOG2DEV(x + rad),YLOG2DEV(y + height));
1459     gs_cairo->cairo_line_to(m_cairo,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1460     gs_cairo->cairo_curve_to(m_cairo,
1461                                 XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1462                                 XLOG2DEV(x + width),YLOG2DEV(y + height),
1463                                 XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1464     gs_cairo->cairo_line_to(m_cairo,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1465     gs_cairo->cairo_curve_to(m_cairo,
1466                                 XLOG2DEV(x + width),YLOG2DEV(y + rad),
1467                                 XLOG2DEV(x + width),YLOG2DEV(y),
1468                                 XLOG2DEV(x + width - rad),YLOG2DEV(y));
1469     gs_cairo->cairo_line_to(m_cairo,XLOG2DEV(x + rad),YLOG2DEV(y));
1470     gs_cairo->cairo_close_path(m_cairo);
1471
1472     SetBrush(m_brush);
1473     gs_cairo->cairo_fill_preserve(m_cairo);
1474
1475     SetPen(m_pen);
1476     gs_cairo->cairo_stroke(m_cairo);
1477
1478     CalcBoundingBox(x,y);
1479     CalcBoundingBox(x+width,y+height);
1480 }
1481
1482 void wxGtkPrintDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1483 {
1484     width--;
1485     height--;
1486
1487     gs_cairo->cairo_save (m_cairo);
1488
1489     gs_cairo->cairo_new_path(m_cairo);
1490
1491     gs_cairo->cairo_translate (m_cairo, XLOG2DEV((wxCoord) (x + width / 2.)), YLOG2DEV((wxCoord) (y + height / 2.)));
1492     gs_cairo->cairo_scale(m_cairo, 1, (double)YLOG2DEVREL(height)/(double)XLOG2DEVREL(width));
1493     gs_cairo->cairo_arc ( m_cairo, 0, 0, XLOG2DEVREL(width/2), 0, 2 * M_PI);
1494
1495     SetBrush( m_brush );
1496     gs_cairo->cairo_fill_preserve( m_cairo );
1497
1498     SetPen (m_pen);
1499     gs_cairo->cairo_stroke( m_cairo );
1500
1501     CalcBoundingBox( x, y );
1502     CalcBoundingBox( x + width, y + height );
1503
1504     gs_cairo->cairo_restore (m_cairo);
1505 }
1506
1507 #if wxUSE_SPLINES
1508 void wxGtkPrintDC::DoDrawSpline(const wxPointList *points)
1509 {
1510     SetPen (m_pen);
1511
1512     double c, d, x1, y1, x2, y2, x3, y3;
1513     wxPoint *p, *q;
1514
1515     wxPointList::compatibility_iterator node = points->GetFirst();
1516     p = node->GetData();
1517     x1 = p->x;
1518     y1 = p->y;
1519
1520     node = node->GetNext();
1521     p = node->GetData();
1522     c = p->x;
1523     d = p->y;
1524     x3 =
1525          (double)(x1 + c) / 2;
1526     y3 =
1527          (double)(y1 + d) / 2;
1528
1529     gs_cairo->cairo_new_path( m_cairo );
1530     gs_cairo->cairo_move_to( m_cairo, XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1) );
1531     gs_cairo->cairo_line_to( m_cairo, XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1532
1533     CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1534     CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1535
1536     node = node->GetNext();
1537     while (node)
1538     {
1539         q = node->GetData();
1540
1541         x1 = x3;
1542         y1 = y3;
1543         x2 = c;
1544         y2 = d;
1545         c = q->x;
1546         d = q->y;
1547         x3 = (double)(x2 + c) / 2;
1548         y3 = (double)(y2 + d) / 2;
1549
1550         gs_cairo->cairo_curve_to(m_cairo,
1551             XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1),
1552             XLOG2DEV((wxCoord)x2), YLOG2DEV((wxCoord)y2),
1553             XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1554
1555         CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1556         CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1557
1558         node = node->GetNext();
1559     }
1560
1561     gs_cairo->cairo_line_to ( m_cairo, XLOG2DEV((wxCoord)c), YLOG2DEV((wxCoord)d) );
1562
1563     gs_cairo->cairo_stroke( m_cairo );
1564 }
1565 #endif // wxUSE_SPLINES
1566
1567 bool wxGtkPrintDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
1568             wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop, bool useMask,
1569             wxCoord xsrcMask, wxCoord ysrcMask)
1570 {
1571     wxCHECK_MSG( source, false, wxT("invalid source dc") );
1572
1573     // Blit into a bitmap.
1574     wxBitmap bitmap( width, height );
1575     wxMemoryDC memDC;
1576     memDC.SelectObject(bitmap);
1577     memDC.Blit(0, 0, width, height, source, xsrc, ysrc, rop);
1578     memDC.SelectObject(wxNullBitmap);
1579
1580     // Draw bitmap. scaling and positioning is done there.
1581     DrawBitmap( bitmap, xdest, ydest, useMask );
1582
1583     return true;
1584 }
1585
1586 void wxGtkPrintDC::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y )
1587 {
1588     DoDrawBitmap( icon, x, y, true );
1589 }
1590
1591 void wxGtkPrintDC::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask )
1592 {
1593     wxCHECK_RET( bitmap.IsOk(), wxT("Invalid bitmap in wxGtkPrintDC::DoDrawBitmap"));
1594
1595     cairo_surface_t* surface;
1596     x = wxCoord(XLOG2DEV(x));
1597     y = wxCoord(YLOG2DEV(y));
1598     int bw = bitmap.GetWidth();
1599     int bh = bitmap.GetHeight();
1600     wxBitmap bmpSource = bitmap;  // we need a non-const instance.
1601     unsigned char* buffer = new unsigned char[bw*bh*4];
1602     wxUint32* data = (wxUint32*)buffer;
1603
1604     wxMask *mask = NULL;
1605     if (useMask) mask = bmpSource.GetMask();
1606
1607     // Create a surface object and copy the bitmap pixel data to it. If the image has alpha (or a mask represented as alpha)
1608     // then we'll use a different format and iterator than if it doesn't.
1609     if (bmpSource.HasAlpha() || mask)
1610     {
1611         surface = gs_cairo->cairo_image_surface_create_for_data(
1612             buffer, CAIRO_FORMAT_ARGB32, bw, bh, bw*4);
1613         wxAlphaPixelData pixData(bmpSource, wxPoint(0,0), wxSize(bw, bh));
1614         wxCHECK_RET( pixData, wxT("Failed to gain raw access to bitmap data."));
1615
1616         wxAlphaPixelData::Iterator p(pixData);
1617         int y, x;
1618         for (y=0; y<bh; y++)
1619         {
1620             wxAlphaPixelData::Iterator rowStart = p;
1621             for (x=0; x<bw; x++)
1622             {
1623                 // Each pixel in CAIRO_FORMAT_ARGB32 is a 32-bit quantity,
1624                 // with alpha in the upper 8 bits, then red, then green, then
1625                 // blue. The 32-bit quantities are stored native-endian.
1626                 // Pre-multiplied alpha is used.
1627                 unsigned char alpha = p.Alpha();
1628
1629                 if (!bmpSource.HasAlpha() && mask)
1630                     alpha = 255;
1631
1632                 if (alpha == 0)
1633                     *data = 0;
1634                 else
1635                     *data = ( alpha                  << 24
1636                               | (p.Red() * alpha/255)    << 16
1637                               | (p.Green() * alpha/255)  <<  8
1638                               | (p.Blue() * alpha/255) );
1639                 ++data;
1640                 ++p;
1641             }
1642             p = rowStart;
1643             p.OffsetY(pixData, 1);
1644         }
1645     }
1646     else  // no alpha
1647     {
1648         surface = gs_cairo->cairo_image_surface_create_for_data(
1649             buffer, CAIRO_FORMAT_RGB24, bw, bh, bw*4);
1650         wxNativePixelData pixData(bmpSource, wxPoint(0,0), wxSize(bw, bh));
1651         wxCHECK_RET( pixData, wxT("Failed to gain raw access to bitmap data."));
1652
1653         wxNativePixelData::Iterator p(pixData);
1654         int y, x;
1655         for (y=0; y<bh; y++)
1656         {
1657             wxNativePixelData::Iterator rowStart = p;
1658             for (x=0; x<bw; x++)
1659             {
1660                 // Each pixel in CAIRO_FORMAT_RGB24 is a 32-bit quantity, with
1661                 // the upper 8 bits unused. Red, Green, and Blue are stored in
1662                 // the remaining 24 bits in that order.  The 32-bit quantities
1663                 // are stored native-endian.
1664                 *data = ( p.Red() << 16 | p.Green() << 8 | p.Blue() );
1665                 ++data;
1666                 ++p;
1667             }
1668             p = rowStart;
1669             p.OffsetY(pixData, 1);
1670         }
1671     }
1672
1673
1674     gs_cairo->cairo_save(m_cairo);
1675
1676     // Prepare to draw the image.
1677     gs_cairo->cairo_translate(m_cairo, x, y);
1678
1679     // Scale the image
1680     cairo_filter_t filter = CAIRO_FILTER_BILINEAR;
1681     cairo_pattern_t* pattern = cairo_pattern_create_for_surface(surface);
1682     cairo_pattern_set_filter(pattern,filter);
1683     wxDouble scaleX = (wxDouble) XLOG2DEVREL(bw) / (wxDouble) bw;
1684     wxDouble scaleY = (wxDouble) YLOG2DEVREL(bh) / (wxDouble) bh;
1685     cairo_scale(m_cairo, scaleX, scaleY);
1686
1687     gs_cairo->cairo_set_source(m_cairo, pattern);
1688     // Use the original size here since the context is scaled already.
1689     gs_cairo->cairo_rectangle(m_cairo, 0, 0, bw, bh);
1690     // Fill the rectangle using the pattern.
1691     gs_cairo->cairo_fill(m_cairo);
1692
1693     // Clean up.
1694     gs_cairo->cairo_pattern_destroy(pattern);
1695     gs_cairo->cairo_surface_destroy(surface);
1696     delete [] buffer;
1697
1698     CalcBoundingBox(0,0);
1699     CalcBoundingBox(bw,bh);
1700
1701     gs_cairo->cairo_restore(m_cairo);
1702 }
1703
1704 void wxGtkPrintDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y )
1705 {
1706     DoDrawRotatedText( text, x, y, 0.0 );
1707 }
1708
1709 void wxGtkPrintDC::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
1710 {
1711     double xx = XLOG2DEV(x);
1712     double yy = YLOG2DEV(y);
1713
1714     angle = -angle;
1715
1716     bool underlined = m_font.Ok() && m_font.GetUnderlined();
1717
1718     const wxUTF8Buf data = text.utf8_str();
1719
1720     size_t datalen = strlen(data);
1721     pango_layout_set_text( m_layout, data, datalen);
1722
1723     if (underlined)
1724     {
1725         PangoAttrList *attrs = pango_attr_list_new();
1726         PangoAttribute *a = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
1727         a->start_index = 0;
1728         a->end_index = datalen;
1729         pango_attr_list_insert(attrs, a);
1730         pango_layout_set_attributes(m_layout, attrs);
1731         pango_attr_list_unref(attrs);
1732     }
1733
1734     if (m_textForegroundColour.Ok())
1735     {
1736         unsigned char red = m_textForegroundColour.Red();
1737         unsigned char blue = m_textForegroundColour.Blue();
1738         unsigned char green = m_textForegroundColour.Green();
1739         unsigned char alpha = m_textForegroundColour.Alpha();
1740
1741         if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue && alpha == m_currentAlpha))
1742         {
1743             double redPS = (double)(red) / 255.0;
1744             double bluePS = (double)(blue) / 255.0;
1745             double greenPS = (double)(green) / 255.0;
1746             double alphaPS = (double)(alpha) / 255.0;
1747
1748             gs_cairo->cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1749
1750             m_currentRed = red;
1751             m_currentBlue = blue;
1752             m_currentGreen = green;
1753             m_currentAlpha = alpha;
1754         }
1755     }
1756
1757     int w,h;
1758
1759     // Scale font description.
1760     gint oldSize = pango_font_description_get_size( m_fontdesc );
1761     double size = oldSize;
1762     size = size * m_scaleX;
1763     pango_font_description_set_size( m_fontdesc, (gint)size );
1764
1765     // Actually apply scaled font.
1766     pango_layout_set_font_description( m_layout, m_fontdesc );
1767
1768     pango_layout_get_pixel_size( m_layout, &w, &h );
1769
1770         if ( m_backgroundMode == wxSOLID )
1771         {
1772             unsigned char red = m_textBackgroundColour.Red();
1773             unsigned char blue = m_textBackgroundColour.Blue();
1774             unsigned char green = m_textBackgroundColour.Green();
1775             unsigned char alpha = m_textBackgroundColour.Alpha();
1776
1777             double redPS = (double)(red) / 255.0;
1778             double bluePS = (double)(blue) / 255.0;
1779             double greenPS = (double)(green) / 255.0;
1780             double alphaPS = (double)(alpha) / 255.0;
1781
1782             gs_cairo->cairo_save(m_cairo);
1783             gs_cairo->cairo_translate(m_cairo, xx, yy);
1784             gs_cairo->cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1785             gs_cairo->cairo_rotate(m_cairo,angle*DEG2RAD);
1786             gs_cairo->cairo_rectangle(m_cairo, 0, 0, w, h);   // still in cairo units
1787             gs_cairo->cairo_fill(m_cairo);
1788             gs_cairo->cairo_restore(m_cairo);
1789         }
1790
1791     // Draw layout.
1792     gs_cairo->cairo_move_to (m_cairo, xx, yy);
1793
1794     gs_cairo->cairo_save( m_cairo );
1795
1796     if (fabs(angle) > 0.00001)
1797         gs_cairo->cairo_rotate( m_cairo, angle*DEG2RAD );
1798
1799     gs_cairo->pango_cairo_update_layout (m_cairo, m_layout);
1800     gs_cairo->pango_cairo_show_layout (m_cairo, m_layout);
1801
1802     gs_cairo->cairo_restore( m_cairo );
1803
1804     if (underlined)
1805     {
1806         // Undo underline attributes setting
1807         pango_layout_set_attributes(m_layout, NULL);
1808     }
1809
1810     // Reset unscaled size.
1811     pango_font_description_set_size( m_fontdesc, oldSize );
1812
1813     // Actually apply unscaled font.
1814     pango_layout_set_font_description( m_layout, m_fontdesc );
1815
1816     // Back to device units:
1817     CalcBoundingBox (x, y);
1818     CalcBoundingBox (x + w, y + h);
1819 }
1820
1821 void wxGtkPrintDC::Clear()
1822 {
1823 // Clear does nothing for printing, but keep the code
1824 // for later reuse
1825 /*
1826     gs_cairo->cairo_save(m_cairo);
1827     gs_cairo->cairo_set_operator (m_cairo, CAIRO_OPERATOR_SOURCE);
1828     SetBrush(m_backgroundBrush);
1829     gs_cairo->cairo_paint(m_cairo);
1830     gs_cairo->cairo_restore(m_cairo);
1831 */
1832 }
1833
1834 void wxGtkPrintDC::SetFont( const wxFont& font )
1835 {
1836     m_font = font;
1837
1838     if (m_font.Ok())
1839     {
1840         if (m_fontdesc)
1841             pango_font_description_free( m_fontdesc );
1842
1843         m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description ); // m_fontdesc is now set to device units
1844
1845         // Scale font description from device units to pango units
1846         gint oldSize = pango_font_description_get_size( m_fontdesc );
1847         double size = oldSize *m_DEV2PS;                          // scale to cairo units
1848         pango_font_description_set_size( m_fontdesc, (gint)size );    // apply to description
1849
1850         // Actually apply scaled font.
1851         pango_layout_set_font_description( m_layout, m_fontdesc );
1852     }
1853 }
1854
1855 void wxGtkPrintDC::SetPen( const wxPen& pen )
1856 {
1857     if (!pen.Ok()) 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     gs_cairo->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 wxDOT:           gs_cairo->cairo_set_dash( m_cairo, dotted, 2, 0 ); break;
1877         case wxSHORT_DASH:    gs_cairo->cairo_set_dash( m_cairo, short_dashed, 2, 0 ); break;
1878         case wxLONG_DASH:     gs_cairo->cairo_set_dash( m_cairo, long_dashed, 2, 0 ); break;
1879         case wxDOT_DASH:      gs_cairo->cairo_set_dash( m_cairo, dotted_dashed, 4, 0 );  break;
1880         case wxUSER_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             gs_cairo->cairo_set_dash( m_cairo, g_dashes, num, 0);
1889             g_free( g_dashes );
1890         }
1891         break;
1892         case wxSOLID:
1893         case wxTRANSPARENT:
1894         default:              gs_cairo->cairo_set_dash( m_cairo, NULL, 0, 0 );   break;
1895     }
1896
1897     switch (m_pen.GetCap())
1898     {
1899         case wxCAP_PROJECTING:  gs_cairo->cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_SQUARE); break;
1900         case wxCAP_BUTT:        gs_cairo->cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_BUTT); break;
1901         case wxCAP_ROUND:
1902         default:                gs_cairo->cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_ROUND); break;
1903     }
1904
1905     switch (m_pen.GetJoin())
1906     {
1907         case wxJOIN_BEVEL:  gs_cairo->cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_BEVEL); break;
1908         case wxJOIN_MITER:  gs_cairo->cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_MITER); break;
1909         case wxJOIN_ROUND:
1910         default:            gs_cairo->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         gs_cairo->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 wxGtkPrintDC::SetBrush( const wxBrush& brush )
1935 {
1936     if (!brush.Ok()) return;
1937
1938     m_brush = brush;
1939
1940     if (m_brush.GetStyle() == wxTRANSPARENT)
1941     {
1942         gs_cairo->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         gs_cairo->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 = gs_cairo->cairo_surface_create_similar(gs_cairo->cairo_get_target(m_cairo),CAIRO_CONTENT_COLOR_ALPHA,10,10);
1976         cr = gs_cairo->cairo_create(surface);
1977         gs_cairo->cairo_set_line_cap(cr, CAIRO_LINE_CAP_SQUARE);
1978         gs_cairo->cairo_set_line_width(cr, 1);
1979         gs_cairo->cairo_set_line_join(cr,CAIRO_LINE_JOIN_MITER);
1980
1981         switch (m_brush.GetStyle())
1982         {
1983             case wxCROSS_HATCH:
1984                 gs_cairo->cairo_move_to(cr, 5, 0);
1985                 gs_cairo->cairo_line_to(cr, 5, 10);
1986                 gs_cairo->cairo_move_to(cr, 0, 5);
1987                 gs_cairo->cairo_line_to(cr, 10, 5);
1988                 break;
1989             case wxBDIAGONAL_HATCH:
1990                 gs_cairo->cairo_move_to(cr, 0, 10);
1991                 gs_cairo->cairo_line_to(cr, 10, 0);
1992                 break;
1993             case wxFDIAGONAL_HATCH:
1994                 gs_cairo->cairo_move_to(cr, 0, 0);
1995                 gs_cairo->cairo_line_to(cr, 10, 10);
1996                 break;
1997             case wxCROSSDIAG_HATCH:
1998                 gs_cairo->cairo_move_to(cr, 0, 0);
1999                 gs_cairo->cairo_line_to(cr, 10, 10);
2000                 gs_cairo->cairo_move_to(cr, 10, 0);
2001                 gs_cairo->cairo_line_to(cr, 0, 10);
2002                 break;
2003             case wxHORIZONTAL_HATCH:
2004                 gs_cairo->cairo_move_to(cr, 0, 5);
2005                 gs_cairo->cairo_line_to(cr, 10, 5);
2006                 break;
2007             case wxVERTICAL_HATCH:
2008                 gs_cairo->cairo_move_to(cr, 5, 0);
2009                 gs_cairo->cairo_line_to(cr, 5, 10);
2010                 break;
2011             default:
2012                 wxFAIL_MSG(_("Couldn't get hatch style from wxBrush."));
2013         }
2014
2015         gs_cairo->cairo_set_source_rgba(cr, redPS, greenPS, bluePS, alphaPS);
2016         gs_cairo->cairo_stroke (cr);
2017
2018         gs_cairo->cairo_destroy(cr);
2019         cairo_pattern_t * pattern = gs_cairo->cairo_pattern_create_for_surface (surface);
2020         gs_cairo->cairo_surface_destroy(surface);
2021         gs_cairo->cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT);
2022         gs_cairo->cairo_set_source(m_cairo, pattern);
2023         gs_cairo->cairo_pattern_destroy(pattern);
2024     }
2025 }
2026
2027 void wxGtkPrintDC::SetLogicalFunction( int function )
2028 {
2029     if (function == wxCLEAR)
2030         gs_cairo->cairo_set_operator (m_cairo, CAIRO_OPERATOR_CLEAR);
2031     else if (function == wxOR)
2032         gs_cairo->cairo_set_operator (m_cairo, CAIRO_OPERATOR_OUT);
2033     else if (function == wxNO_OP)
2034         gs_cairo->cairo_set_operator (m_cairo, CAIRO_OPERATOR_DEST);
2035     else if (function == wxAND)
2036         gs_cairo->cairo_set_operator (m_cairo, CAIRO_OPERATOR_ADD);
2037     else if (function == wxSET)
2038         gs_cairo->cairo_set_operator (m_cairo, CAIRO_OPERATOR_SATURATE);
2039     else if (function == wxXOR)
2040         gs_cairo->cairo_set_operator (m_cairo, CAIRO_OPERATOR_XOR);
2041     else // wxCOPY or anything else.
2042         gs_cairo->cairo_set_operator (m_cairo, CAIRO_OPERATOR_SOURCE);
2043 }
2044
2045 void wxGtkPrintDC::SetBackground( const wxBrush& brush )
2046 {
2047     m_backgroundBrush = brush;
2048     gs_cairo->cairo_save(m_cairo);
2049     gs_cairo->cairo_set_operator (m_cairo, CAIRO_OPERATOR_DEST_OVER);
2050
2051     SetBrush(m_backgroundBrush);
2052     gs_cairo->cairo_paint(m_cairo);
2053     gs_cairo->cairo_restore(m_cairo);
2054 }
2055
2056 void wxGtkPrintDC::SetBackgroundMode(int mode)
2057 {
2058     if (mode == wxSOLID) m_backgroundMode = wxSOLID;
2059     else m_backgroundMode = wxTRANSPARENT;
2060 }
2061
2062 void wxGtkPrintDC::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
2063 {
2064     gs_cairo->cairo_rectangle ( m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(width), YLOG2DEVREL(height));
2065     gs_cairo->cairo_clip(m_cairo);
2066 }
2067
2068 void wxGtkPrintDC::DestroyClippingRegion()
2069 {
2070     gs_cairo->cairo_reset_clip(m_cairo);
2071 }
2072
2073 bool wxGtkPrintDC::StartDoc(const wxString& message)
2074 {
2075     return true;
2076 }
2077
2078 void wxGtkPrintDC::EndDoc()
2079 {
2080     return;
2081 }
2082
2083 void wxGtkPrintDC::StartPage()
2084 {
2085     return;
2086 }
2087
2088 void wxGtkPrintDC::EndPage()
2089 {
2090     return;
2091 }
2092
2093 wxCoord wxGtkPrintDC::GetCharHeight() const
2094 {
2095     pango_layout_set_text( m_layout, "H", 1 );
2096
2097     int w,h;
2098     pango_layout_get_pixel_size( m_layout, &w, &h );
2099
2100     return wxRound( h * m_PS2DEV );
2101 }
2102
2103 wxCoord wxGtkPrintDC::GetCharWidth() const
2104 {
2105     pango_layout_set_text( m_layout, "H", 1 );
2106
2107     int w,h;
2108     pango_layout_get_pixel_size( m_layout, &w, &h );
2109
2110     return wxRound( w * m_PS2DEV );
2111 }
2112
2113 void wxGtkPrintDC::DoGetTextExtent(const wxString& string, wxCoord *width, wxCoord *height,
2114                      wxCoord *descent,
2115                      wxCoord *externalLeading,
2116                      const wxFont *theFont ) const
2117 {
2118     if ( width )
2119         *width = 0;
2120     if ( height )
2121         *height = 0;
2122     if ( descent )
2123         *descent = 0;
2124     if ( externalLeading )
2125         *externalLeading = 0;
2126
2127     if (string.empty())
2128     {
2129         return;
2130     }
2131
2132     // Set layout's text
2133     const wxUTF8Buf dataUTF8 = string.utf8_str();
2134
2135     PangoFontDescription *desc = m_fontdesc;
2136     if (theFont) desc = theFont->GetNativeFontInfo()->description;
2137
2138     gint oldSize = pango_font_description_get_size( desc );
2139     double size = oldSize;
2140     size = size * m_scaleY;
2141     pango_font_description_set_size( desc, (gint)size );
2142
2143     // apply scaled font
2144     pango_layout_set_font_description( m_layout, desc );
2145
2146     pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
2147
2148     int w, h;
2149     pango_layout_get_pixel_size( m_layout, &w, &h );
2150
2151     if (width)
2152         *width = wxRound( (double)w / m_scaleX * m_PS2DEV );
2153     if (height)
2154         *height = wxRound( (double)h / m_scaleY * m_PS2DEV );
2155
2156     if (descent)
2157     {
2158         PangoLayoutIter *iter = pango_layout_get_iter(m_layout);
2159         int baseline = pango_layout_iter_get_baseline(iter);
2160         pango_layout_iter_free(iter);
2161         *descent = wxRound( (h - PANGO_PIXELS(baseline)) * m_PS2DEV );
2162     }
2163
2164     // Reset unscaled size.
2165     pango_font_description_set_size( desc, oldSize );
2166
2167     // Reset unscaled font.
2168     pango_layout_set_font_description( m_layout, m_fontdesc );
2169 }
2170
2171 void wxGtkPrintDC::DoGetSize(int* width, int* height) const
2172 {
2173     GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc );
2174
2175     if (width)
2176         *width = wxRound( gtk_page_setup_get_paper_width( setup, GTK_UNIT_POINTS ) * m_PS2DEV );
2177     if (height)
2178         *height = wxRound( gtk_page_setup_get_paper_height( setup, GTK_UNIT_POINTS ) * m_PS2DEV );
2179 }
2180
2181 void wxGtkPrintDC::DoGetSizeMM(int *width, int *height) const
2182 {
2183     GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc );
2184
2185     if (width)
2186         *width = wxRound( gtk_page_setup_get_paper_width( setup, GTK_UNIT_MM ) );
2187     if (height)
2188         *height = wxRound( gtk_page_setup_get_paper_height( setup, GTK_UNIT_MM ) );
2189 }
2190
2191 wxSize wxGtkPrintDC::GetPPI() const
2192 {
2193     return wxSize( (int)m_resolution, (int)m_resolution );
2194 }
2195
2196 void wxGtkPrintDC::SetPrintData(const wxPrintData& data)
2197 {
2198     m_printData = data;
2199 }
2200
2201 void wxGtkPrintDC::SetResolution(int ppi)
2202 {
2203     // We can't change ppi of the GtkPrintContext.
2204     // TODO: should we really support this?
2205 }
2206
2207 int wxGtkPrintDC::GetResolution()
2208 {
2209     return m_resolution;
2210 }
2211
2212 // ----------------------------------------------------------------------------
2213 // Print preview
2214 // ----------------------------------------------------------------------------
2215
2216 IMPLEMENT_CLASS(wxGtkPrintPreview, wxPrintPreviewBase)
2217
2218 void wxGtkPrintPreview::Init(wxPrintout * WXUNUSED(printout),
2219                                     wxPrintout * WXUNUSED(printoutForPrinting))
2220 {
2221     DetermineScaling();
2222 }
2223
2224 wxGtkPrintPreview::wxGtkPrintPreview(wxPrintout *printout,
2225                                                    wxPrintout *printoutForPrinting,
2226                                                    wxPrintDialogData *data)
2227                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
2228 {
2229     Init(printout, printoutForPrinting);
2230 }
2231
2232 wxGtkPrintPreview::wxGtkPrintPreview(wxPrintout *printout,
2233                                                    wxPrintout *printoutForPrinting,
2234                                                    wxPrintData *data)
2235                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
2236 {
2237     Init(printout, printoutForPrinting);
2238 }
2239
2240 wxGtkPrintPreview::~wxGtkPrintPreview()
2241 {
2242 }
2243
2244 bool wxGtkPrintPreview::Print(bool interactive)
2245 {
2246     if (!m_printPrintout)
2247         return false;
2248
2249     wxPrinter printer(& m_printDialogData);
2250     return printer.Print(m_previewFrame, m_printPrintout, interactive);
2251 }
2252
2253 void wxGtkPrintPreview::DetermineScaling()
2254 {
2255     wxPaperSize paperType = m_printDialogData.GetPrintData().GetPaperId();
2256
2257     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType);
2258     if (!paper)
2259         paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
2260
2261     if (paper)
2262     {
2263         wxSize ScreenPixels = wxGetDisplaySize();
2264         wxSize ScreenMM = wxGetDisplaySizeMM();
2265
2266         m_previewPrintout->SetPPIScreen( (int) ((ScreenPixels.GetWidth() * 25.4) / ScreenMM.GetWidth()),
2267                                          (int) ((ScreenPixels.GetHeight() * 25.4) / ScreenMM.GetHeight()) );
2268
2269         // TODO !!!!!!!!!!!!!!!
2270         int resolution = 600;
2271         m_previewPrintout->SetPPIPrinter( resolution, resolution );
2272
2273         // Get width and height in points (1/72th of an inch)
2274         wxSize sizeDevUnits(paper->GetSizeDeviceUnits());
2275
2276         sizeDevUnits.x = wxRound((double)sizeDevUnits.x * (double)resolution / 72.0);
2277         sizeDevUnits.y = wxRound((double)sizeDevUnits.y * (double)resolution / 72.0);
2278         wxSize sizeTenthsMM(paper->GetSize());
2279         wxSize sizeMM(sizeTenthsMM.x / 10, sizeTenthsMM.y / 10);
2280
2281         // If in landscape mode, we need to swap the width and height.
2282         if ( m_printDialogData.GetPrintData().GetOrientation() == wxLANDSCAPE )
2283         {
2284             m_pageWidth = sizeDevUnits.y;
2285             m_pageHeight = sizeDevUnits.x;
2286             m_previewPrintout->SetPageSizeMM(sizeMM.y, sizeMM.x);
2287         }
2288         else
2289         {
2290             m_pageWidth = sizeDevUnits.x;
2291             m_pageHeight = sizeDevUnits.y;
2292             m_previewPrintout->SetPageSizeMM(sizeMM.x, sizeMM.y);
2293         }
2294         m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
2295         m_previewPrintout->SetPaperRectPixels(wxRect(0, 0, m_pageWidth, m_pageHeight));
2296
2297         // At 100%, the page should look about page-size on the screen.
2298         m_previewScaleX = 0.8 * 72.0 / (double)resolution;
2299         m_previewScaleY = m_previewScaleX;
2300     }
2301 }
2302
2303 #endif
2304      // wxUSE_GTKPRINT