src/gtk/print.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/print.cpp
   3 // Author:      Anthony Bretaudeau
   4 // Purpose:     GTK printing support
   5 // Created:     2007-08-25
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2007 wxWidgets development team
   8 // Licence:     wxWindows Licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx/wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15 #pragma hdrstop
  16 #endif
  17
  18 #if wxUSE_GTKPRINT
  19
  20 #include "wx/gtk/print.h"
  21
  22 #ifndef WX_PRECOMP
  23 #include "wx/log.h"
  24 #include "wx/dcmemory.h"
  25 #include "wx/dcprint.h"
  26 #include "wx/icon.h"
  27 #include "wx/math.h"
  28 #include "wx/image.h"
  29 #include "wx/module.h"
  30 #include "wx/crt.h"
  31 #endif
  32
  33 #include "wx/fontutil.h"
  34 #include "wx/dynlib.h"
  35 #include "wx/paper.h"
  36
  37 #include <gtk/gtk.h>
  38
  39 #if GTK_CHECK_VERSION(2,14,0)
  40 #include <gtk/gtkunixprint.h>
  41 #else
  42 #include <gtk/gtkpagesetupunixdialog.h>
  43 #endif
  44
  45
  46 #if wxUSE_GRAPHICS_CONTEXT
  47 #include "wx/graphics.h"
  48 #endif
  49
  50 #include "wx/link.h"
  51 wxFORCE_LINK_THIS_MODULE(gtk_print)
  52
  53 #if wxUSE_LIBGNOMEPRINT
  54 #include "wx/gtk/gnome/gprint.h"
  55 #endif
  56
  57 #include "wx/gtk/private/object.h"
  58
  59 // Useful to convert angles from/to Rad to/from Deg.
  60 static const double RAD2DEG  = 180.0 / M_PI;
  61 static const double DEG2RAD  = M_PI / 180.0;
  62
  63 //----------------------------------------------------------------------------
  64 // wxGtkPrintModule
  65 // Initialized when starting the app : if it successfully load the gtk-print framework,
  66 // it uses it. If not, it falls back to gnome print (see /gtk/gnome/gprint.cpp) then
  67 // to postscript if gnomeprint is not available.
  68 //----------------------------------------------------------------------------
  69
  70 class wxGtkPrintModule: public wxModule
  71 {
  72 public:
  73     wxGtkPrintModule()
  74     {
  75 #if wxUSE_LIBGNOMEPRINT
  76         // This module must be initialized AFTER gnomeprint's one
  77         AddDependency(wxCLASSINFO(wxGnomePrintModule));
  78 #endif
  79     }
  80     bool OnInit();
  81     void OnExit() {}
  82
  83 private:
  84     DECLARE_DYNAMIC_CLASS(wxGtkPrintModule)
  85 };
  86
  87 bool wxGtkPrintModule::OnInit()
  88 {
  89 #ifndef __WXGTK3__
  90     if (gtk_check_version(2,10,0) == NULL)
  91 #endif
  92     {
  93         wxPrintFactory::SetPrintFactory( new wxGtkPrintFactory );
  94     }
  95     return true;
  96 }
  97
  98 IMPLEMENT_DYNAMIC_CLASS(wxGtkPrintModule, wxModule)
  99
 100 //----------------------------------------------------------------------------
 101 // wxGtkPrintFactory
 102 //----------------------------------------------------------------------------
 103
 104 wxPrinterBase* wxGtkPrintFactory::CreatePrinter( wxPrintDialogData *data )
 105 {
 106     return new wxGtkPrinter( data );
 107 }
 108
 109 wxPrintPreviewBase *wxGtkPrintFactory::CreatePrintPreview( wxPrintout *preview,
 110                                                     wxPrintout *printout,
 111                                                     wxPrintDialogData *data )
 112 {
 113     return new wxGtkPrintPreview( preview, printout, data );
 114 }
 115
 116 wxPrintPreviewBase *wxGtkPrintFactory::CreatePrintPreview( wxPrintout *preview,
 117                                                     wxPrintout *printout,
 118                                                     wxPrintData *data )
 119 {
 120     return new wxGtkPrintPreview( preview, printout, data );
 121 }
 122
 123 wxPrintDialogBase *wxGtkPrintFactory::CreatePrintDialog( wxWindow *parent,
 124                                                   wxPrintDialogData *data )
 125 {
 126     return new wxGtkPrintDialog( parent, data );
 127 }
 128
 129 wxPrintDialogBase *wxGtkPrintFactory::CreatePrintDialog( wxWindow *parent,
 130                                                   wxPrintData *data )
 131 {
 132     return new wxGtkPrintDialog( parent, data );
 133 }
 134
 135 wxPageSetupDialogBase *wxGtkPrintFactory::CreatePageSetupDialog( wxWindow *parent,
 136                                                           wxPageSetupDialogData * data )
 137 {
 138     return new wxGtkPageSetupDialog( parent, data );
 139 }
 140
 141 bool wxGtkPrintFactory::HasPrintSetupDialog()
 142 {
 143     return false;
 144 }
 145
 146 wxDialog *
 147 wxGtkPrintFactory::CreatePrintSetupDialog(wxWindow * WXUNUSED(parent),
 148                                           wxPrintData * WXUNUSED(data))
 149 {
 150     return NULL;
 151 }
 152
 153 wxDCImpl* wxGtkPrintFactory::CreatePrinterDCImpl( wxPrinterDC *owner, const wxPrintData& data )
 154 {
 155     return new wxGtkPrinterDCImpl( owner, data );
 156 }
 157
 158 bool wxGtkPrintFactory::HasOwnPrintToFile()
 159 {
 160     return true;
 161 }
 162
 163 bool wxGtkPrintFactory::HasPrinterLine()
 164 {
 165     return true;
 166 }
 167
 168 wxString wxGtkPrintFactory::CreatePrinterLine()
 169 {
 170     // redundant now
 171     return wxEmptyString;
 172 }
 173
 174 bool wxGtkPrintFactory::HasStatusLine()
 175 {
 176     // redundant now
 177     return true;
 178 }
 179
 180 wxString wxGtkPrintFactory::CreateStatusLine()
 181 {
 182     // redundant now
 183     return wxEmptyString;
 184 }
 185
 186 wxPrintNativeDataBase *wxGtkPrintFactory::CreatePrintNativeData()
 187 {
 188     return new wxGtkPrintNativeData;
 189 }
 190
 191 //----------------------------------------------------------------------------
 192 // Callback functions for Gtk Printings.
 193 //----------------------------------------------------------------------------
 194
 195 // We use it to pass useful objects to GTK printing callback functions.
 196 struct wxPrinterToGtkData
 197 {
 198    wxGtkPrinter * printer;
 199    wxPrintout * printout;
 200 };
 201
 202 extern "C"
 203 {
 204     static void gtk_begin_print_callback (GtkPrintOperation *operation, GtkPrintContext *context, gpointer user_data)
 205     {
 206         wxPrinterToGtkData *data = (wxPrinterToGtkData *) user_data;
 207
 208         data->printer->BeginPrint(data->printout, operation, context);
 209     }
 210
 211     static void gtk_draw_page_print_callback (GtkPrintOperation *operation, GtkPrintContext *context, gint page_nr, gpointer user_data)
 212     {
 213         wxPrinterToGtkData *data = (wxPrinterToGtkData *) user_data;
 214
 215         data->printer->DrawPage(data->printout, operation, context, page_nr);
 216     }
 217
 218     static void gtk_end_print_callback(GtkPrintOperation * WXUNUSED(operation),
 219                                        GtkPrintContext * WXUNUSED(context),
 220                                        gpointer user_data)
 221     {
 222         wxPrintout *printout = (wxPrintout *) user_data;
 223
 224         printout->OnEndPrinting();
 225     }
 226 }
 227
 228 //----------------------------------------------------------------------------
 229 // wxGtkPrintNativeData
 230 //----------------------------------------------------------------------------
 231
 232 IMPLEMENT_CLASS(wxGtkPrintNativeData, wxPrintNativeDataBase)
 233
 234 wxGtkPrintNativeData::wxGtkPrintNativeData()
 235 {
 236     m_config = gtk_print_settings_new();
 237     m_job = gtk_print_operation_new();
 238     m_context = NULL;
 239 }
 240
 241 wxGtkPrintNativeData::~wxGtkPrintNativeData()
 242 {
 243     g_object_unref(m_job);
 244     g_object_unref(m_config);
 245 }
 246
 247 // Convert datas stored in m_config to a wxPrintData.
 248 // Called by wxPrintData::ConvertFromNative().
 249 bool wxGtkPrintNativeData::TransferTo( wxPrintData &data )
 250 {
 251     if(!m_config)
 252         return false;
 253
 254     int resolution = gtk_print_settings_get_resolution(m_config);
 255     if ( resolution > 0 )
 256     {
 257         // if resolution is explicitly set, use it
 258         data.SetQuality(resolution);
 259     }
 260     else // use more vague "quality"
 261     {
 262         GtkPrintQuality quality = gtk_print_settings_get_quality(m_config);
 263         if (quality == GTK_PRINT_QUALITY_HIGH)
 264             data.SetQuality(wxPRINT_QUALITY_HIGH);
 265         else if (quality == GTK_PRINT_QUALITY_LOW)
 266             data.SetQuality(wxPRINT_QUALITY_LOW);
 267         else if (quality == GTK_PRINT_QUALITY_DRAFT)
 268             data.SetQuality(wxPRINT_QUALITY_DRAFT);
 269         else
 270             data.SetQuality(wxPRINT_QUALITY_MEDIUM);
 271     }
 272
 273     data.SetNoCopies(gtk_print_settings_get_n_copies(m_config));
 274
 275     data.SetColour(gtk_print_settings_get_use_color(m_config));
 276
 277     switch (gtk_print_settings_get_duplex(m_config))
 278     {
 279         case GTK_PRINT_DUPLEX_SIMPLEX:      data.SetDuplex (wxDUPLEX_SIMPLEX);
 280                                             break;
 281
 282         case GTK_PRINT_DUPLEX_HORIZONTAL:   data.SetDuplex (wxDUPLEX_HORIZONTAL);
 283                                             break;
 284
 285         default:
 286         case GTK_PRINT_DUPLEX_VERTICAL:      data.SetDuplex (wxDUPLEX_VERTICAL);
 287                                             break;
 288     }
 289
 290     GtkPageOrientation orientation = gtk_print_settings_get_orientation (m_config);
 291     if (orientation == GTK_PAGE_ORIENTATION_PORTRAIT)
 292     {
 293         data.SetOrientation(wxPORTRAIT);
 294         data.SetOrientationReversed(false);
 295     }
 296     else if (orientation == GTK_PAGE_ORIENTATION_LANDSCAPE)
 297     {
 298         data.SetOrientation(wxLANDSCAPE);
 299         data.SetOrientationReversed(false);
 300     }
 301     else if (orientation == GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT)
 302     {
 303         data.SetOrientation(wxPORTRAIT);
 304         data.SetOrientationReversed(true);
 305     }
 306     else if (orientation == GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE)
 307     {
 308         data.SetOrientation(wxLANDSCAPE);
 309         data.SetOrientationReversed(true);
 310     }
 311
 312     data.SetCollate(gtk_print_settings_get_collate (m_config));
 313
 314     // Paper formats : these are the most common paper formats.
 315     GtkPaperSize *paper_size = gtk_print_settings_get_paper_size (m_config);
 316     if (!paper_size)
 317         data.SetPaperId(wxPAPER_NONE);
 318     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_A3)))
 319         data.SetPaperId(wxPAPER_A3);
 320     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_A4)))
 321         data.SetPaperId(wxPAPER_A4);
 322     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_A5)))
 323         data.SetPaperId(wxPAPER_A5);
 324     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_B5)))
 325         data.SetPaperId(wxPAPER_B5);
 326     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_LETTER)))
 327         data.SetPaperId(wxPAPER_LETTER);
 328     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_LEGAL)))
 329         data.SetPaperId(wxPAPER_LEGAL);
 330     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_EXECUTIVE)))
 331         data.SetPaperId(wxPAPER_EXECUTIVE);
 332     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"na_number-10")))
 333         data.SetPaperId(wxPAPER_ENV_10);
 334     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c5")))
 335         data.SetPaperId(wxPAPER_ENV_C5);
 336     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c6")))
 337         data.SetPaperId(wxPAPER_ENV_C6);
 338     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"jis-b5")))
 339         data.SetPaperId(wxPAPER_B5_TRANSVERSE);
 340     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b5")))
 341         data.SetPaperId(wxPAPER_ENV_B5);
 342     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"na_monarch")))
 343         data.SetPaperId(wxPAPER_ENV_MONARCH);
 344     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-c")))
 345         data.SetPaperId( wxPAPER_CSHEET);
 346     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-d")))
 347         data.SetPaperId( wxPAPER_DSHEET);
 348     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-e")))
 349         data.SetPaperId( wxPAPER_ESHEET);
 350     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"letter")))
 351         data.SetPaperId( wxPAPER_LETTERSMALL);
 352     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-b")))
 353         data.SetPaperId( wxPAPER_TABLOID);
 354     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"ledger")))
 355         data.SetPaperId( wxPAPER_LEDGER);
 356     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"statement")))
 357         data.SetPaperId( wxPAPER_STATEMENT);
 358     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( GTK_PAPER_NAME_A4 )))
 359         data.SetPaperId( wxPAPER_A4SMALL);
 360     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b4")))
 361         data.SetPaperId( wxPAPER_B4);
 362     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"folio")))
 363         data.SetPaperId( wxPAPER_FOLIO);
 364     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"quarto")))
 365         data.SetPaperId( wxPAPER_QUARTO);
 366     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"10x14")))
 367         data.SetPaperId( wxPAPER_10X14);
 368     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"ledger")))
 369         data.SetPaperId( wxPAPER_11X17);
 370     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"letter")))
 371         data.SetPaperId( wxPAPER_NOTE);
 372     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"na-number-9-envelope")))
 373         data.SetPaperId( wxPAPER_ENV_9);
 374     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"number-11")))
 375         data.SetPaperId( wxPAPER_ENV_11);
 376     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"number-12")))
 377         data.SetPaperId( wxPAPER_ENV_12);
 378     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"number-14")))
 379         data.SetPaperId( wxPAPER_ENV_14);
 380     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-designated")))
 381         data.SetPaperId( wxPAPER_ENV_DL);
 382     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c3")))
 383         data.SetPaperId( wxPAPER_ENV_C3);
 384     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c4")))
 385         data.SetPaperId( wxPAPER_ENV_C4);
 386     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"c6/c5")))
 387         data.SetPaperId( wxPAPER_ENV_C65);
 388     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b4")))
 389         data.SetPaperId( wxPAPER_ENV_B4);
 390     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b6")))
 391             data.SetPaperId( wxPAPER_ENV_B6);
 392     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"Italian")))
 393         data.SetPaperId( wxPAPER_ENV_ITALY);
 394     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"personal")))
 395         data.SetPaperId( wxPAPER_ENV_PERSONAL);
 396     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"fanfold-us")))
 397         data.SetPaperId( wxPAPER_FANFOLD_US);
 398     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"fanfold-European")))
 399         data.SetPaperId( wxPAPER_FANFOLD_STD_GERMAN);
 400     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"foolscap")))
 401         data.SetPaperId( wxPAPER_FANFOLD_LGL_GERMAN);
 402     else
 403         data.SetPaperId(wxPAPER_NONE);
 404
 405     data.SetPrinterName(gtk_print_settings_get_printer(m_config));
 406
 407     return true;
 408 }
 409
 410 // Put datas given by the wxPrintData into m_config.
 411 // Called by wxPrintData::ConvertToNative().
 412 bool wxGtkPrintNativeData::TransferFrom( const wxPrintData &data )
 413 {
 414     if(!m_config)
 415         return false;
 416
 417     wxPrintQuality quality = data.GetQuality();
 418     if (quality == wxPRINT_QUALITY_HIGH)
 419         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_HIGH);
 420     else if (quality == wxPRINT_QUALITY_MEDIUM)
 421         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_NORMAL);
 422     else if (quality == wxPRINT_QUALITY_LOW)
 423         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_LOW);
 424     else if (quality == wxPRINT_QUALITY_DRAFT)
 425         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_DRAFT);
 426     else if (quality > 1)
 427         gtk_print_settings_set_resolution (m_config, quality);
 428     else
 429         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_NORMAL);
 430
 431     gtk_print_settings_set_n_copies(m_config, data.GetNoCopies());
 432
 433     gtk_print_settings_set_use_color(m_config, data.GetColour());
 434
 435     switch (data.GetDuplex())
 436     {
 437         case wxDUPLEX_SIMPLEX:      gtk_print_settings_set_duplex (m_config, GTK_PRINT_DUPLEX_SIMPLEX);
 438                                 break;
 439
 440         case wxDUPLEX_HORIZONTAL:   gtk_print_settings_set_duplex (m_config, GTK_PRINT_DUPLEX_HORIZONTAL);
 441                                 break;
 442
 443         default:
 444         case wxDUPLEX_VERTICAL:      gtk_print_settings_set_duplex (m_config, GTK_PRINT_DUPLEX_VERTICAL);
 445                                 break;
 446     }
 447
 448     if (!data.IsOrientationReversed())
 449     {
 450         if (data.GetOrientation() == wxLANDSCAPE)
 451             gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_LANDSCAPE);
 452         else
 453             gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_PORTRAIT);
 454     }
 455     else {
 456         if (data.GetOrientation() == wxLANDSCAPE)
 457             gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE);
 458         else
 459             gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT);
 460     }
 461
 462     gtk_print_settings_set_collate (m_config, data.GetCollate());
 463
 464     // Paper formats: these are the most common paper formats.
 465     switch (data.GetPaperId())
 466     {
 467         case wxPAPER_A3:        gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A3));
 468                                 break;
 469         case wxPAPER_A4:        gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A4));
 470                                 break;
 471         case wxPAPER_A5:        gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A5));
 472                                 break;
 473         case wxPAPER_B5_TRANSVERSE:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "jis-b5"));
 474                                 break;
 475         case wxPAPER_B5:        gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_B5));
 476                                 break;
 477         case wxPAPER_LETTER:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_LETTER));
 478                                 break;
 479         case wxPAPER_LEGAL:     gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_LEGAL));
 480                                 break;
 481         case wxPAPER_EXECUTIVE: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_EXECUTIVE));
 482                                 break;
 483         case wxPAPER_ENV_10:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "na_number-10"));
 484                                 break;
 485         case wxPAPER_ENV_C5:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c5"));
 486                                 break;
 487         case wxPAPER_ENV_C6:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c6"));
 488                                 break;
 489         case wxPAPER_ENV_B5:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c5b5"));
 490                                 break;
 491         case wxPAPER_ENV_MONARCH:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "na_monarch"));
 492                                 break;
 493         case wxPAPER_CSHEET:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-c"));
 494                                 break;
 495         case wxPAPER_DSHEET:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-d"));
 496                                 break;
 497         case wxPAPER_ESHEET:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-e"));
 498                                 break;
 499         case wxPAPER_LETTERSMALL:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "letter"));
 500                                 break;
 501         case wxPAPER_TABLOID:   gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-b"));
 502                                 break;
 503         case wxPAPER_LEDGER:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "ledger"));
 504                                 break;
 505         case wxPAPER_STATEMENT:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "statement"));
 506                                 break;
 507         case wxPAPER_A4SMALL:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A4));
 508                                 break;
 509         case wxPAPER_B4:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-b4"));
 510                                 break;
 511         case wxPAPER_FOLIO:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "folio"));
 512                                 break;
 513         case wxPAPER_QUARTO:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "quarto"));
 514                                 break;
 515         case wxPAPER_10X14:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "10x14"));
 516                                 break;
 517         case wxPAPER_11X17:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "ledger"));
 518                                 break;
 519         case wxPAPER_NOTE:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "letter"));
 520                                 break;
 521         case wxPAPER_ENV_9:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "na-number-9-envelope"));
 522                                 break;
 523         case wxPAPER_ENV_11:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "number-11"));
 524                                 break;
 525         case wxPAPER_ENV_12:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "number-12"));
 526                                 break;
 527         case wxPAPER_ENV_14:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "number-14"));
 528                                 break;
 529         case wxPAPER_ENV_DL:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-designated"));
 530                                 break;
 531         case wxPAPER_ENV_C3:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c3"));
 532                                 break;
 533         case wxPAPER_ENV_C4:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c4"));
 534                                 break;
 535         case wxPAPER_ENV_C65:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "c6/c5"));
 536                                 break;
 537         case wxPAPER_ENV_B4:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-b4"));
 538                                 break;
 539         case wxPAPER_ENV_B6:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-b6"));
 540                                 break;
 541         case wxPAPER_ENV_ITALY:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "Italian"));
 542                                 break;
 543         case wxPAPER_ENV_PERSONAL:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "personal"));
 544                                 break;
 545         case wxPAPER_FANFOLD_US:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "fanfold-us"));
 546                                 break;
 547         case wxPAPER_FANFOLD_STD_GERMAN:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "fanfold-European"));
 548                                 break;
 549         case wxPAPER_FANFOLD_LGL_GERMAN:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "foolscap"));
 550                                 break;
 551         case wxPAPER_NONE:
 552         default:                break;
 553     }
 554
 555     gtk_print_settings_set_printer(m_config, data.GetPrinterName().utf8_str());
 556
 557     return true;
 558 }
 559
 560 void wxGtkPrintNativeData::SetPrintConfig( GtkPrintSettings * config )
 561 {
 562     if (config)
 563         m_config = gtk_print_settings_copy(config);
 564 }
 565
 566 // Extract page setup from settings.
 567 GtkPageSetup* wxGtkPrintNativeData::GetPageSetupFromSettings(GtkPrintSettings* settings)
 568 {
 569     GtkPageSetup* page_setup = gtk_page_setup_new();
 570     gtk_page_setup_set_orientation (page_setup, gtk_print_settings_get_orientation (settings));
 571
 572     GtkPaperSize *paper_size = gtk_print_settings_get_paper_size (settings);
 573     if (paper_size != NULL)
 574         gtk_page_setup_set_paper_size_and_default_margins (page_setup, paper_size);
 575
 576     return page_setup;
 577 }
 578
 579 // Insert page setup into a given GtkPrintSettings.
 580 void wxGtkPrintNativeData::SetPageSetupToSettings(GtkPrintSettings* settings, GtkPageSetup* page_setup)
 581 {
 582     gtk_print_settings_set_orientation ( settings, gtk_page_setup_get_orientation (page_setup));
 583     gtk_print_settings_set_paper_size ( settings, gtk_page_setup_get_paper_size (page_setup));
 584 }
 585
 586 //----------------------------------------------------------------------------
 587 // wxGtkPrintDialog
 588 //----------------------------------------------------------------------------
 589
 590 IMPLEMENT_CLASS(wxGtkPrintDialog, wxPrintDialogBase)
 591
 592 wxGtkPrintDialog::wxGtkPrintDialog( wxWindow *parent, wxPrintDialogData *data )
 593                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 594                                wxPoint(0, 0), wxSize(600, 600),
 595                                wxDEFAULT_DIALOG_STYLE |
 596                                wxTAB_TRAVERSAL)
 597 {
 598     if (data)
 599         m_printDialogData = *data;
 600
 601     m_parent = parent;
 602     SetShowDialog(true);
 603 }
 604
 605 wxGtkPrintDialog::wxGtkPrintDialog( wxWindow *parent, wxPrintData *data )
 606                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 607                                wxPoint(0, 0), wxSize(600, 600),
 608                                wxDEFAULT_DIALOG_STYLE |
 609                                wxTAB_TRAVERSAL)
 610 {
 611     if (data)
 612         m_printDialogData = *data;
 613
 614     m_parent = parent;
 615     SetShowDialog(true);
 616 }
 617
 618
 619 wxGtkPrintDialog::~wxGtkPrintDialog()
 620 {
 621 }
 622
 623 // This is called even if we actually don't want the dialog to appear.
 624 int wxGtkPrintDialog::ShowModal()
 625 {
 626     // We need to restore the settings given in the constructor.
 627     wxPrintData data = m_printDialogData.GetPrintData();
 628     wxGtkPrintNativeData *native =
 629       (wxGtkPrintNativeData*) data.GetNativeData();
 630     data.ConvertToNative();
 631
 632     GtkPrintSettings * settings = native->GetPrintConfig();
 633
 634     // We have to restore pages to print here because they're stored in a wxPrintDialogData and ConvertToNative only works for wxPrintData.
 635     int fromPage = m_printDialogData.GetFromPage();
 636     int toPage = m_printDialogData.GetToPage();
 637     if (m_printDialogData.GetSelection())
 638         gtk_print_settings_set_print_pages(settings, GTK_PRINT_PAGES_CURRENT);
 639     else if (m_printDialogData.GetAllPages())
 640         gtk_print_settings_set_print_pages(settings, GTK_PRINT_PAGES_ALL);
 641     else {
 642         gtk_print_settings_set_print_pages(settings, GTK_PRINT_PAGES_RANGES);
 643         GtkPageRange *range;
 644         range = g_new (GtkPageRange, 1);
 645         range[0].start = fromPage-1;
 646         range[0].end = (toPage >= fromPage) ? toPage-1 : fromPage-1;
 647         gtk_print_settings_set_page_ranges (settings, range, 1);
 648     }
 649
 650     GtkPrintOperation * const printOp = native->GetPrintJob();
 651
 652     // If the settings are OK, we restore it.
 653     if (settings != NULL)
 654         gtk_print_operation_set_print_settings (printOp, settings);
 655     gtk_print_operation_set_default_page_setup (printOp, native->GetPageSetupFromSettings(settings));
 656
 657     // Show the dialog if needed.
 658     GError* gError = NULL;
 659     GtkPrintOperationResult response = gtk_print_operation_run
 660                                        (
 661                                            printOp,
 662                                            GetShowDialog()
 663                                             ? GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG
 664                                             : GTK_PRINT_OPERATION_ACTION_PRINT,
 665                                            m_parent
 666                                             ? GTK_WINDOW(gtk_widget_get_toplevel(m_parent->m_widget))
 667                                             : NULL,
 668                                            &gError
 669                                        );
 670
 671     // Does everything went well?
 672     if (response == GTK_PRINT_OPERATION_RESULT_CANCEL)
 673     {
 674         return wxID_CANCEL;
 675     }
 676     else if (response == GTK_PRINT_OPERATION_RESULT_ERROR)
 677     {
 678         wxLogError(_("Error while printing: ") + wxString(gError ? gError->message : "???"));
 679         g_error_free (gError);
 680         return wxID_NO; // We use wxID_NO because there is no wxID_ERROR available
 681     }
 682
 683     // Now get the settings and save it.
 684     GtkPrintSettings* newSettings = gtk_print_operation_get_print_settings(printOp);
 685     native->SetPrintConfig(newSettings);
 686     data.ConvertFromNative();
 687
 688     // Set PrintDialogData variables
 689     m_printDialogData.SetPrintData(data);
 690     m_printDialogData.SetCollate(data.GetCollate());
 691     m_printDialogData.SetNoCopies(data.GetNoCopies());
 692     m_printDialogData.SetPrintToFile(data.GetPrinterName() == "Print to File");
 693
 694     // Same problem as a few lines before.
 695     switch (gtk_print_settings_get_print_pages(newSettings))
 696     {
 697         case GTK_PRINT_PAGES_CURRENT:
 698             m_printDialogData.SetSelection( true );
 699             break;
 700         case GTK_PRINT_PAGES_RANGES:
 701             {// wxWidgets doesn't support multiple ranges, so we can only save the first one even if the user wants to print others.
 702             // 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
 703             // will hit "OK" button. However we can only save 1-3 in the print data.
 704             gint num_ranges = 0;
 705             GtkPageRange* range;
 706             range = gtk_print_settings_get_page_ranges (newSettings, &num_ranges);
 707             if (num_ranges >= 1)
 708             {
 709                 m_printDialogData.SetFromPage( range[0].start );
 710                 m_printDialogData.SetToPage( range[0].end );
 711             }
 712             else {
 713                 m_printDialogData.SetAllPages( true );
 714                 m_printDialogData.SetFromPage( 0 );
 715                 m_printDialogData.SetToPage( 9999 );
 716             }
 717             break;}
 718         case GTK_PRINT_PAGES_ALL:
 719         default:
 720             m_printDialogData.SetAllPages( true );
 721             m_printDialogData.SetFromPage( 0 );
 722             m_printDialogData.SetToPage( 9999 );
 723             break;
 724     }
 725
 726     return wxID_OK;
 727 }
 728
 729 //----------------------------------------------------------------------------
 730 // wxGtkPageSetupDialog
 731 //----------------------------------------------------------------------------
 732
 733 IMPLEMENT_CLASS(wxGtkPageSetupDialog, wxPageSetupDialogBase)
 734
 735 wxGtkPageSetupDialog::wxGtkPageSetupDialog( wxWindow *parent,
 736                             wxPageSetupDialogData* data )
 737 {
 738     if (data)
 739         m_pageDialogData = *data;
 740
 741     m_parent = parent;
 742 }
 743
 744 wxGtkPageSetupDialog::~wxGtkPageSetupDialog()
 745 {
 746 }
 747
 748 int wxGtkPageSetupDialog::ShowModal()
 749 {
 750     // Get the config.
 751     m_pageDialogData.GetPrintData().ConvertToNative();
 752     wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) m_pageDialogData.GetPrintData().GetNativeData();
 753     GtkPrintSettings* nativeData = native->GetPrintConfig();
 754
 755     // We only need the pagesetup data which are part of the settings.
 756     GtkPageSetup* oldPageSetup = native->GetPageSetupFromSettings(nativeData);
 757
 758     // If the user used a custom paper format the last time he printed, we have to restore it too.
 759     if (m_pageDialogData.GetPrintData().GetPaperId() == wxPAPER_NONE)
 760     {
 761         wxSize customPaperSize = m_pageDialogData.GetPaperSize();
 762         if (customPaperSize.GetWidth() > 0 && customPaperSize.GetHeight() > 0)
 763         {
 764             wxString title = _("Custom size");
 765             GtkPaperSize* customSize = gtk_paper_size_new_custom ("custom", title.mb_str(), (gdouble) customPaperSize.GetWidth(), (gdouble) customPaperSize.GetHeight(), GTK_UNIT_MM);
 766             gtk_page_setup_set_paper_size_and_default_margins (oldPageSetup, customSize);
 767             g_object_unref(customSize);
 768         }
 769     }
 770
 771
 772     // Set selected printer
 773     gtk_print_settings_set(nativeData, "format-for-printer",
 774                            gtk_print_settings_get_printer(nativeData));
 775
 776     // Create custom dialog
 777     wxString title(GetTitle());
 778     if ( title.empty() )
 779         title = _("Page Setup");
 780     GtkWidget *
 781         dlg = gtk_page_setup_unix_dialog_new(title.utf8_str(),
 782                                              m_parent
 783                                                 ? GTK_WINDOW(m_parent->m_widget)
 784                                                 : NULL);
 785
 786     gtk_page_setup_unix_dialog_set_print_settings(
 787         GTK_PAGE_SETUP_UNIX_DIALOG(dlg), nativeData);
 788     gtk_page_setup_unix_dialog_set_page_setup(
 789         GTK_PAGE_SETUP_UNIX_DIALOG(dlg), oldPageSetup);
 790
 791     int result = gtk_dialog_run(GTK_DIALOG(dlg));
 792     gtk_widget_hide(dlg);
 793
 794     switch ( result )
 795     {
 796         case GTK_RESPONSE_OK:
 797         case GTK_RESPONSE_APPLY:
 798             {
 799                 // Store Selected Printer Name
 800                 gtk_print_settings_set_printer
 801                 (
 802                     nativeData,
 803                     gtk_print_settings_get(nativeData, "format-for-printer")
 804                 );
 805
 806                 wxGtkObject<GtkPageSetup>
 807                     newPageSetup(gtk_page_setup_unix_dialog_get_page_setup(
 808                                         GTK_PAGE_SETUP_UNIX_DIALOG(dlg)));
 809                 native->SetPageSetupToSettings(nativeData, newPageSetup);
 810
 811                 m_pageDialogData.GetPrintData().ConvertFromNative();
 812
 813                 // Store custom paper format if any.
 814                 if ( m_pageDialogData.GetPrintData().GetPaperId() == wxPAPER_NONE )
 815                 {
 816                     gdouble ml,mr,mt,mb,pw,ph;
 817                     ml = gtk_page_setup_get_left_margin (newPageSetup, GTK_UNIT_MM);
 818                     mr = gtk_page_setup_get_right_margin (newPageSetup, GTK_UNIT_MM);
 819                     mt = gtk_page_setup_get_top_margin (newPageSetup, GTK_UNIT_MM);
 820                     mb = gtk_page_setup_get_bottom_margin (newPageSetup, GTK_UNIT_MM);
 821
 822                     pw = gtk_page_setup_get_paper_width (newPageSetup, GTK_UNIT_MM);
 823                     ph = gtk_page_setup_get_paper_height (newPageSetup, GTK_UNIT_MM);
 824
 825                     m_pageDialogData.SetMarginTopLeft(wxPoint((int)(ml+0.5),
 826                                                               (int)(mt+0.5)));
 827                     m_pageDialogData.SetMarginBottomRight(wxPoint((int)(mr+0.5),
 828                                                                   (int)(mb+0.5)));
 829
 830                     m_pageDialogData.SetPaperSize(wxSize((int)(pw+0.5),
 831                                                          (int)(ph+0.5)));
 832                 }
 833
 834                 result = wxID_OK;
 835             }
 836             break;
 837
 838         default:
 839         case GTK_RESPONSE_CANCEL:
 840             result = wxID_CANCEL;
 841             break;
 842     }
 843
 844     gtk_widget_destroy(dlg);
 845
 846     return result;
 847 }
 848
 849 //----------------------------------------------------------------------------
 850 // wxGtkPrinter
 851 //----------------------------------------------------------------------------
 852
 853 IMPLEMENT_CLASS(wxGtkPrinter, wxPrinterBase)
 854
 855 wxGtkPrinter::wxGtkPrinter( wxPrintDialogData *data ) :
 856     wxPrinterBase( data )
 857 {
 858     m_gpc = NULL;
 859
 860     if (data)
 861         m_printDialogData = *data;
 862 }
 863
 864 wxGtkPrinter::~wxGtkPrinter()
 865 {
 866 }
 867
 868 bool wxGtkPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt )
 869 {
 870     if (!printout)
 871     {
 872         sm_lastError = wxPRINTER_ERROR;
 873         return false;
 874     }
 875
 876     // Let's correct the PageInfo just in case the app gives wrong values.
 877     int fromPage, toPage;
 878     int minPage, maxPage;
 879     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 880     m_printDialogData.SetAllPages(true);
 881
 882     if (minPage < 1) minPage = 1;
 883     if (maxPage < 1) maxPage = 9999;
 884     if (maxPage < minPage) maxPage = minPage;
 885
 886     m_printDialogData.SetMinPage(minPage);
 887     m_printDialogData.SetMaxPage(maxPage);
 888     if (fromPage != 0)
 889     {
 890         if (fromPage < minPage) fromPage = minPage;
 891         else if (fromPage > maxPage) fromPage = maxPage;
 892         m_printDialogData.SetFromPage(fromPage);
 893     }
 894     if (toPage != 0)
 895     {
 896         m_printDialogData.SetToPage(toPage);
 897         if (toPage > maxPage) toPage = maxPage;
 898         else if (toPage < minPage) toPage = minPage;
 899     }
 900
 901     if (((minPage != fromPage) && fromPage != 0) || ((maxPage != toPage) && toPage != 0)) m_printDialogData.SetAllPages(false);
 902
 903
 904     wxPrintData printdata = GetPrintDialogData().GetPrintData();
 905     wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) printdata.GetNativeData();
 906
 907     GtkPrintOperation * const printOp = native->GetPrintJob();
 908
 909     wxPrinterToGtkData dataToSend;
 910     dataToSend.printer = this;
 911     dataToSend.printout = printout;
 912
 913     // These Gtk signals are caught here.
 914     g_signal_connect (printOp, "begin-print", G_CALLBACK (gtk_begin_print_callback), &dataToSend);
 915     g_signal_connect (printOp, "draw-page", G_CALLBACK (gtk_draw_page_print_callback), &dataToSend);
 916     g_signal_connect (printOp, "end-print", G_CALLBACK (gtk_end_print_callback), printout);
 917
 918     // This is used to setup the DC and
 919     // show the dialog if desired
 920     wxGtkPrintDialog dialog( parent, &m_printDialogData );
 921     dialog.SetPrintDC(m_dc);
 922     dialog.SetShowDialog(prompt);
 923
 924     // doesn't necessarily show
 925     int ret = dialog.ShowModal();
 926     if (ret == wxID_CANCEL)
 927     {
 928         sm_lastError = wxPRINTER_CANCELLED;
 929     }
 930     if (ret == wxID_NO)
 931     {
 932         sm_lastError = wxPRINTER_ERROR;
 933         wxFAIL_MSG(_("The print dialog returned an error."));
 934     }
 935
 936     return (sm_lastError == wxPRINTER_NO_ERROR);
 937 }
 938
 939 void wxGtkPrinter::BeginPrint(wxPrintout *printout, GtkPrintOperation *operation, GtkPrintContext *context)
 940 {
 941     wxPrintData printdata = GetPrintDialogData().GetPrintData();
 942     wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) printdata.GetNativeData();
 943
 944     // We need to update printdata with the new data from the dialog and we
 945     // have to do this here because this method needs this new data and we
 946     // cannot update it earlier
 947     native->SetPrintConfig(gtk_print_operation_get_print_settings(operation));
 948     printdata.ConvertFromNative();
 949
 950     SetPrintContext(context);
 951     native->SetPrintContext( context );
 952
 953     wxPrinterDC *printDC = new wxPrinterDC( printdata );
 954     m_dc = printDC;
 955
 956     if (!m_dc->IsOk())
 957     {
 958         if (sm_lastError != wxPRINTER_CANCELLED)
 959         {
 960             sm_lastError = wxPRINTER_ERROR;
 961             wxFAIL_MSG(_("The wxGtkPrinterDC cannot be used."));
 962         }
 963         return;
 964     }
 965
 966     printout->SetPPIScreen(wxGetDisplayPPI());
 967     printout->SetPPIPrinter( printDC->GetResolution(),
 968                              printDC->GetResolution() );
 969
 970     printout->SetDC(m_dc);
 971
 972     int w, h;
 973     m_dc->GetSize(&w, &h);
 974     printout->SetPageSizePixels((int)w, (int)h);
 975     printout->SetPaperRectPixels(wxRect(0, 0, w, h));
 976     int mw, mh;
 977     m_dc->GetSizeMM(&mw, &mh);
 978     printout->SetPageSizeMM((int)mw, (int)mh);
 979     printout->OnPreparePrinting();
 980
 981     // Get some parameters from the printout, if defined.
 982     int fromPage, toPage;
 983     int minPage, maxPage;
 984     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 985
 986     if (maxPage == 0)
 987     {
 988         sm_lastError = wxPRINTER_ERROR;
 989         wxFAIL_MSG(_("wxPrintout::GetPageInfo gives a null maxPage."));
 990         return;
 991     }
 992
 993     printout->OnBeginPrinting();
 994
 995     int numPages = 0;
 996
 997     // If we're not previewing we need to calculate the number of pages to print.
 998     // If we're previewing, Gtk Print will render every pages without wondering about the page ranges the user may
 999     // have defined in the dialog. So the number of pages is the maximum available.
1000     if (!printout->IsPreview())
1001     {
1002         GtkPrintSettings * settings = gtk_print_operation_get_print_settings (operation);
1003         switch (gtk_print_settings_get_print_pages(settings))
1004         {
1005             case GTK_PRINT_PAGES_CURRENT:
1006                 numPages = 1;
1007                 break;
1008             case GTK_PRINT_PAGES_RANGES:
1009                 {gint num_ranges = 0;
1010                 GtkPageRange* range;
1011                 int i;
1012                 range = gtk_print_settings_get_page_ranges (settings, &num_ranges);
1013                 for (i=0; i<num_ranges; i++)
1014                 {
1015                     if (range[i].end < range[i].start) range[i].end = range[i].start;
1016                     if (range[i].start < minPage-1) range[i].start = minPage-1;
1017                     if (range[i].end > maxPage-1) range[i].end = maxPage-1;
1018                     if (range[i].start > maxPage-1) range[i].start = maxPage-1;
1019                     numPages += range[i].end - range[i].start + 1;
1020                 }
1021                 gtk_print_settings_set_page_ranges (settings, range, 1);
1022                 break;}
1023             case GTK_PRINT_PAGES_ALL:
1024             default:
1025                 numPages = maxPage - minPage + 1;
1026                 break;
1027         }
1028     }
1029     else numPages = maxPage - minPage + 1;
1030
1031     gtk_print_operation_set_n_pages(operation, numPages);
1032 }
1033
1034 void wxGtkPrinter::DrawPage(wxPrintout *printout,
1035                             GtkPrintOperation *operation,
1036                             GtkPrintContext * WXUNUSED(context),
1037                             int page_nr)
1038 {
1039     int fromPage, toPage, minPage, maxPage, startPage, endPage;
1040     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
1041
1042     int numPageToDraw = page_nr + minPage;
1043     if (numPageToDraw < minPage) numPageToDraw = minPage;
1044     if (numPageToDraw > maxPage) numPageToDraw = maxPage;
1045
1046     GtkPrintSettings * settings = gtk_print_operation_get_print_settings (operation);
1047     switch (gtk_print_settings_get_print_pages(settings))
1048     {
1049         case GTK_PRINT_PAGES_CURRENT:
1050             g_object_get_property((GObject*) operation, (const gchar *) "current-page", (GValue*) &startPage);
1051             g_object_get_property((GObject*) operation, (const gchar *) "current-page", (GValue*) &endPage);
1052             break;
1053         case GTK_PRINT_PAGES_RANGES:
1054             {gint num_ranges = 0;
1055             GtkPageRange* range;
1056             range = gtk_print_settings_get_page_ranges (settings, &num_ranges);
1057             // We don't need to verify these values as it has already been done in wxGtkPrinter::BeginPrint.
1058             if (num_ranges >= 1)
1059             {
1060                 startPage = range[0].start + 1;
1061                 endPage = range[0].end + 1;
1062             }
1063             else {
1064                 startPage = minPage;
1065                 endPage = maxPage;
1066             }
1067             break;}
1068         case GTK_PRINT_PAGES_ALL:
1069         default:
1070             startPage = minPage;
1071             endPage = maxPage;
1072             break;
1073     }
1074
1075     if(numPageToDraw == startPage)
1076     {
1077         if (!printout->OnBeginDocument(startPage, endPage))
1078         {
1079             wxLogError(_("Could not start printing."));
1080             sm_lastError = wxPRINTER_ERROR;
1081         }
1082     }
1083
1084     // The app can render the page numPageToDraw.
1085     if (printout->HasPage(numPageToDraw))
1086     {
1087         m_dc->StartPage();
1088         printout->OnPrintPage(numPageToDraw);
1089         m_dc->EndPage();
1090     }
1091
1092
1093     if(numPageToDraw == endPage)
1094     {
1095         printout->OnEndDocument();
1096     }
1097 }
1098
1099 wxDC* wxGtkPrinter::PrintDialog( wxWindow *parent )
1100 {
1101     wxGtkPrintDialog dialog( parent, &m_printDialogData );
1102
1103     dialog.SetPrintDC(m_dc);
1104     dialog.SetShowDialog(true);
1105
1106     int ret = dialog.ShowModal();
1107
1108     if (ret == wxID_CANCEL)
1109     {
1110         sm_lastError = wxPRINTER_CANCELLED;
1111         return NULL;
1112     }
1113     if (ret == wxID_NO)
1114     {
1115         sm_lastError = wxPRINTER_ERROR;
1116         wxFAIL_MSG(_("The print dialog returned an error."));
1117         return NULL;
1118     }
1119
1120     m_printDialogData = dialog.GetPrintDialogData();
1121
1122     return new wxPrinterDC( m_printDialogData.GetPrintData() );
1123 }
1124
1125 bool wxGtkPrinter::Setup( wxWindow * WXUNUSED(parent) )
1126 {
1127     // Obsolete, for backward compatibility.
1128     return false;
1129 }
1130
1131 //-----------------------------------------------------------------------------
1132 // wxGtkPrinterDC
1133 //-----------------------------------------------------------------------------
1134
1135 #define wxCAIRO_SCALE 1
1136
1137 #if wxCAIRO_SCALE
1138
1139 #define XLOG2DEV(x)     LogicalToDeviceX(x)
1140 #define XLOG2DEVREL(x)  LogicalToDeviceXRel(x)
1141 #define YLOG2DEV(x)     LogicalToDeviceY(x)
1142 #define YLOG2DEVREL(x)  LogicalToDeviceYRel(x)
1143
1144 #else
1145
1146 #define XLOG2DEV(x)     ((double)(LogicalToDeviceX(x)) * m_DEV2PS)
1147 #define XLOG2DEVREL(x)  ((double)(LogicalToDeviceXRel(x)) * m_DEV2PS)
1148 #define YLOG2DEV(x)     ((double)(LogicalToDeviceY(x)) * m_DEV2PS)
1149 #define YLOG2DEVREL(x)  ((double)(LogicalToDeviceYRel(x)) * m_DEV2PS)
1150
1151 #endif
1152
1153 IMPLEMENT_ABSTRACT_CLASS(wxGtkPrinterDCImpl, wxDCImpl)
1154
1155 wxGtkPrinterDCImpl::wxGtkPrinterDCImpl(wxPrinterDC *owner, const wxPrintData& data)
1156                   : wxDCImpl( owner )
1157 {
1158     m_printData = data;
1159
1160     wxGtkPrintNativeData *native =
1161         (wxGtkPrintNativeData*) m_printData.GetNativeData();
1162
1163     m_gpc = native->GetPrintContext();
1164
1165     // Match print quality to resolution (high = 1200dpi)
1166     m_resolution = m_printData.GetQuality(); // (int) gtk_print_context_get_dpi_x( m_gpc );
1167     if (m_resolution < 0)
1168         m_resolution = (1 << (m_resolution+4)) *150;
1169
1170     m_context = gtk_print_context_create_pango_context( m_gpc );
1171     m_layout = gtk_print_context_create_pango_layout ( m_gpc );
1172     m_fontdesc = pango_font_description_from_string( "Sans 12" );
1173
1174     m_cairo = gtk_print_context_get_cairo_context ( m_gpc );
1175
1176 #if wxCAIRO_SCALE
1177     m_PS2DEV = 1.0;
1178     m_DEV2PS = 1.0;
1179
1180     cairo_scale( m_cairo, 72.0 / (double)m_resolution, 72.0 / (double)m_resolution );
1181 #else
1182     m_PS2DEV = (double)m_resolution / 72.0;
1183     m_DEV2PS = 72.0 / (double)m_resolution;
1184 #endif
1185
1186     m_currentRed = 0;
1187     m_currentBlue = 0;
1188     m_currentGreen = 0;
1189
1190     m_signX = 1;  // default x-axis left to right.
1191     m_signY = 1;  // default y-axis bottom up -> top down.
1192
1193     // By default the origin of the Cairo context is in the upper left
1194     // corner of the printable area. We need to translate it so that it
1195     // is in the upper left corner of the paper (without margins)
1196     GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc );
1197     gdouble ml, mt;
1198     ml = gtk_page_setup_get_left_margin (setup, GTK_UNIT_POINTS);
1199     mt = gtk_page_setup_get_top_margin (setup, GTK_UNIT_POINTS);
1200     cairo_translate(m_cairo, -ml, -mt);
1201 }
1202
1203 wxGtkPrinterDCImpl::~wxGtkPrinterDCImpl()
1204 {
1205     g_object_unref(m_context);
1206     g_object_unref(m_layout);
1207 }
1208
1209 bool wxGtkPrinterDCImpl::IsOk() const
1210 {
1211     return m_gpc != NULL;
1212 }
1213
1214 void* wxGtkPrinterDCImpl::GetCairoContext() const
1215 {
1216     return (void*) cairo_reference( m_cairo );
1217 }
1218
1219 void* wxGtkPrinterDCImpl::GetHandle() const
1220 {
1221     return GetCairoContext();
1222 }
1223
1224 bool wxGtkPrinterDCImpl::DoFloodFill(wxCoord WXUNUSED(x1),
1225                                wxCoord WXUNUSED(y1),
1226                                const wxColour& WXUNUSED(col),
1227                                wxFloodFillStyle WXUNUSED(style))
1228 {
1229     // We can't access the given coord as a Cairo context is scalable, ie a
1230     // coord doesn't mean anything in this context.
1231     wxFAIL_MSG(_("not implemented"));
1232     return false;
1233 }
1234
1235 void wxGtkPrinterDCImpl::DoGradientFillConcentric(const wxRect& rect, const wxColour& initialColour, const wxColour& destColour, const wxPoint& circleCenter)
1236 {
1237     wxCoord xC = circleCenter.x;
1238     wxCoord yC = circleCenter.y;
1239     wxCoord xR = rect.x;
1240     wxCoord yR = rect.y;
1241     wxCoord w =  rect.width;
1242     wxCoord h = rect.height;
1243
1244     const double r2 = (w/2)*(w/2)+(h/2)*(h/2);
1245     double radius = sqrt(r2);
1246
1247     unsigned char redI = initialColour.Red();
1248     unsigned char blueI = initialColour.Blue();
1249     unsigned char greenI = initialColour.Green();
1250     unsigned char alphaI = initialColour.Alpha();
1251     unsigned char redD = destColour.Red();
1252     unsigned char blueD = destColour.Blue();
1253     unsigned char greenD = destColour.Green();
1254     unsigned char alphaD = destColour.Alpha();
1255
1256     double redIPS = (double)(redI) / 255.0;
1257     double blueIPS = (double)(blueI) / 255.0;
1258     double greenIPS = (double)(greenI) / 255.0;
1259     double alphaIPS = (double)(alphaI) / 255.0;
1260     double redDPS = (double)(redD) / 255.0;
1261     double blueDPS = (double)(blueD) / 255.0;
1262     double greenDPS = (double)(greenD) / 255.0;
1263     double alphaDPS = (double)(alphaD) / 255.0;
1264
1265     // Create a pattern with the gradient.
1266     cairo_pattern_t* gradient;
1267     gradient = cairo_pattern_create_radial (XLOG2DEV(xC+xR), YLOG2DEV(yC+yR), 0, XLOG2DEV(xC+xR), YLOG2DEV(yC+yR), radius * m_DEV2PS );
1268     cairo_pattern_add_color_stop_rgba (gradient, 0.0, redIPS, greenIPS, blueIPS, alphaIPS);
1269     cairo_pattern_add_color_stop_rgba (gradient, 1.0, redDPS, greenDPS, blueDPS, alphaDPS);
1270
1271     // Fill the rectangle with this pattern.
1272     cairo_set_source(m_cairo, gradient);
1273     cairo_rectangle (m_cairo, XLOG2DEV(xR), YLOG2DEV(yR), XLOG2DEVREL(w), YLOG2DEVREL(h) );
1274     cairo_fill(m_cairo);
1275
1276     cairo_pattern_destroy(gradient);
1277
1278     CalcBoundingBox(xR, yR);
1279     CalcBoundingBox(xR+w, yR+h);
1280 }
1281
1282 void wxGtkPrinterDCImpl::DoGradientFillLinear(const wxRect& rect, const wxColour& initialColour, const wxColour& destColour, wxDirection nDirection)
1283 {
1284     wxCoord x = rect.x;
1285     wxCoord y = rect.y;
1286     wxCoord w = rect.width;
1287     wxCoord h = rect.height;
1288
1289     unsigned char redI = initialColour.Red();
1290     unsigned char blueI = initialColour.Blue();
1291     unsigned char greenI = initialColour.Green();
1292     unsigned char alphaI = initialColour.Alpha();
1293     unsigned char redD = destColour.Red();
1294     unsigned char blueD = destColour.Blue();
1295     unsigned char greenD = destColour.Green();
1296     unsigned char alphaD = destColour.Alpha();
1297
1298     double redIPS = (double)(redI) / 255.0;
1299     double blueIPS = (double)(blueI) / 255.0;
1300     double greenIPS = (double)(greenI) / 255.0;
1301     double alphaIPS = (double)(alphaI) / 255.0;
1302     double redDPS = (double)(redD) / 255.0;
1303     double blueDPS = (double)(blueD) / 255.0;
1304     double greenDPS = (double)(greenD) / 255.0;
1305     double alphaDPS = (double)(alphaD) / 255.0;
1306
1307     // Create a pattern with the gradient.
1308     cairo_pattern_t* gradient;
1309     gradient = cairo_pattern_create_linear (XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x+w), YLOG2DEV(y));
1310
1311     if (nDirection == wxWEST)
1312     {
1313         cairo_pattern_add_color_stop_rgba (gradient, 0.0, redDPS, greenDPS, blueDPS, alphaDPS);
1314         cairo_pattern_add_color_stop_rgba (gradient, 1.0, redIPS, greenIPS, blueIPS, alphaIPS);
1315     }
1316     else {
1317         cairo_pattern_add_color_stop_rgba (gradient, 0.0, redIPS, greenIPS, blueIPS, alphaIPS);
1318         cairo_pattern_add_color_stop_rgba (gradient, 1.0, redDPS, greenDPS, blueDPS, alphaDPS);
1319     }
1320
1321     // Fill the rectangle with this pattern.
1322     cairo_set_source(m_cairo, gradient);
1323     cairo_rectangle (m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(w), YLOG2DEVREL(h) );
1324     cairo_fill(m_cairo);
1325
1326     cairo_pattern_destroy(gradient);
1327
1328     CalcBoundingBox(x, y);
1329     CalcBoundingBox(x+w, y+h);
1330 }
1331
1332 bool wxGtkPrinterDCImpl::DoGetPixel(wxCoord WXUNUSED(x1),
1333                               wxCoord WXUNUSED(y1),
1334                               wxColour * WXUNUSED(col)) const
1335 {
1336     wxFAIL_MSG(_("not implemented"));
1337     return false;
1338 }
1339
1340 void wxGtkPrinterDCImpl::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
1341 {
1342     if ( m_pen.IsTransparent() )
1343         return;
1344
1345     SetPen( m_pen );
1346     cairo_move_to ( m_cairo, XLOG2DEV(x1), YLOG2DEV(y1) );
1347     cairo_line_to ( m_cairo, XLOG2DEV(x2), YLOG2DEV(y2) );
1348     cairo_stroke ( m_cairo );
1349
1350     CalcBoundingBox( x1, y1 );
1351     CalcBoundingBox( x2, y2 );
1352 }
1353
1354 void wxGtkPrinterDCImpl::DoCrossHair(wxCoord x, wxCoord y)
1355 {
1356     int w, h;
1357     DoGetSize(&w, &h);
1358
1359     SetPen(m_pen);
1360
1361     cairo_move_to (m_cairo, XLOG2DEV(x), 0);
1362     cairo_line_to (m_cairo, XLOG2DEV(x), YLOG2DEVREL(h));
1363     cairo_move_to (m_cairo, 0, YLOG2DEV(y));
1364     cairo_line_to (m_cairo, XLOG2DEVREL(w), YLOG2DEV(y));
1365
1366     cairo_stroke (m_cairo);
1367     CalcBoundingBox( 0, 0 );
1368     CalcBoundingBox( w, h );
1369 }
1370
1371 void wxGtkPrinterDCImpl::DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc)
1372 {
1373     double dx = x1 - xc;
1374     double dy = y1 - yc;
1375     double radius = sqrt((double)(dx*dx+dy*dy));
1376
1377     double alpha1, alpha2;
1378     if (x1 == x2 && y1 == y2)
1379     {
1380         alpha1 = 0.0;
1381         alpha2 = 360.0;
1382     }
1383     else
1384     if (radius == 0.0)
1385     {
1386         alpha1 = alpha2 = 0.0;
1387     }
1388     else
1389     {
1390         alpha1 = (x1 - xc == 0) ?
1391             (y1 - yc < 0) ? 90.0 : -90.0 :
1392             atan2(double(y1-yc), double(x1-xc)) * RAD2DEG;
1393         alpha2 = (x2 - xc == 0) ?
1394             (y2 - yc < 0) ? 90.0 : -90.0 :
1395             atan2(double(y2-yc), double(x2-xc)) * RAD2DEG;
1396
1397         while (alpha1 <= 0)   alpha1 += 360;
1398         while (alpha2 <= 0)   alpha2 += 360; // adjust angles to be between.
1399         while (alpha1 > 360)  alpha1 -= 360; // 0 and 360 degree.
1400         while (alpha2 > 360)  alpha2 -= 360;
1401     }
1402
1403     alpha1 *= DEG2RAD;
1404     alpha2 *= DEG2RAD;
1405
1406     cairo_new_path(m_cairo);
1407
1408     cairo_arc_negative ( m_cairo, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2);
1409     cairo_line_to(m_cairo, XLOG2DEV(xc), YLOG2DEV(yc));
1410     cairo_close_path (m_cairo);
1411
1412     SetBrush( m_brush );
1413     cairo_fill_preserve( m_cairo );
1414
1415     SetPen (m_pen);
1416     cairo_stroke( m_cairo );
1417
1418     CalcBoundingBox (x1, y1);
1419     CalcBoundingBox (xc, yc);
1420     CalcBoundingBox (x2, y2);
1421 }
1422
1423 void wxGtkPrinterDCImpl::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
1424 {
1425     cairo_save( m_cairo );
1426
1427     cairo_new_path(m_cairo);
1428
1429     cairo_translate( m_cairo, XLOG2DEV((wxCoord) (x + w / 2.)), XLOG2DEV((wxCoord) (y + h / 2.)) );
1430     double scale = (double)YLOG2DEVREL(h) / (double) XLOG2DEVREL(w);
1431     cairo_scale( m_cairo, 1.0, scale );
1432
1433     cairo_arc_negative ( m_cairo, 0, 0, XLOG2DEVREL(w/2), -sa*DEG2RAD, -ea*DEG2RAD);
1434
1435     SetPen (m_pen);
1436     cairo_stroke_preserve( m_cairo );
1437
1438     cairo_line_to(m_cairo, 0,0);
1439
1440     SetBrush( m_brush );
1441     cairo_fill( m_cairo );
1442
1443     cairo_restore( m_cairo );
1444
1445     CalcBoundingBox( x, y);
1446     CalcBoundingBox( x+w, y+h );
1447 }
1448
1449 void wxGtkPrinterDCImpl::DoDrawPoint(wxCoord x, wxCoord y)
1450 {
1451     if ( m_pen.IsTransparent() )
1452         return;
1453
1454     SetPen( m_pen );
1455
1456     cairo_move_to ( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1457     cairo_line_to ( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1458     cairo_stroke ( m_cairo );
1459
1460     CalcBoundingBox( x, y );
1461 }
1462
1463 void wxGtkPrinterDCImpl::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
1464 {
1465     if ( m_pen.IsTransparent() )
1466         return;
1467
1468
1469     if (n <= 0) return;
1470
1471     SetPen (m_pen);
1472
1473     int i;
1474     for ( i =0; i<n ; i++ )
1475         CalcBoundingBox( points[i].x+xoffset, points[i].y+yoffset);
1476
1477     cairo_move_to ( m_cairo, XLOG2DEV(points[0].x+xoffset), YLOG2DEV(points[0].y+yoffset) );
1478
1479     for (i = 1; i < n; i++)
1480         cairo_line_to ( m_cairo, XLOG2DEV(points[i].x+xoffset), YLOG2DEV(points[i].y+yoffset) );
1481
1482     cairo_stroke ( m_cairo);
1483 }
1484
1485 void wxGtkPrinterDCImpl::DoDrawPolygon(int n, wxPoint points[],
1486                                        wxCoord xoffset, wxCoord yoffset,
1487                                        wxPolygonFillMode fillStyle)
1488 {
1489     if (n==0) return;
1490
1491     cairo_save(m_cairo);
1492     if (fillStyle == wxWINDING_RULE)
1493         cairo_set_fill_rule( m_cairo, CAIRO_FILL_RULE_WINDING);
1494     else
1495         cairo_set_fill_rule( m_cairo, CAIRO_FILL_RULE_EVEN_ODD);
1496
1497     int x = points[0].x + xoffset;
1498     int y = points[0].y + yoffset;
1499     cairo_new_path(m_cairo);
1500     cairo_move_to( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1501     int i;
1502     for (i = 1; i < n; i++)
1503     {
1504         int x = points[i].x + xoffset;
1505         int y = points[i].y + yoffset;
1506         cairo_line_to( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1507     }
1508     cairo_close_path(m_cairo);
1509
1510     SetBrush( m_brush );
1511     cairo_fill_preserve( m_cairo );
1512
1513     SetPen (m_pen);
1514     cairo_stroke( m_cairo );
1515
1516     CalcBoundingBox( x, y );
1517
1518     cairo_restore(m_cairo);
1519 }
1520
1521 void wxGtkPrinterDCImpl::DoDrawPolyPolygon(int n, int count[], wxPoint points[],
1522                                            wxCoord xoffset, wxCoord yoffset,
1523                                            wxPolygonFillMode fillStyle)
1524 {
1525     wxDCImpl::DoDrawPolyPolygon( n, count, points, xoffset, yoffset, fillStyle );
1526 }
1527
1528 void wxGtkPrinterDCImpl::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1529 {
1530     width--;
1531     height--;
1532
1533     cairo_new_path(m_cairo);
1534     cairo_rectangle ( m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(width), YLOG2DEVREL(height));
1535
1536     SetBrush( m_brush );
1537     cairo_fill_preserve( m_cairo );
1538
1539     SetPen (m_pen);
1540     cairo_stroke( m_cairo );
1541
1542     CalcBoundingBox( x, y );
1543     CalcBoundingBox( x + width, y + height );
1544 }
1545
1546 void wxGtkPrinterDCImpl::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
1547 {
1548     width--;
1549     height--;
1550
1551     if (radius < 0.0) radius = - radius * ((width < height) ? width : height);
1552
1553     wxCoord dd = 2 * (wxCoord) radius;
1554     if (dd > width) dd = width;
1555     if (dd > height) dd = height;
1556     radius = dd / 2;
1557
1558     wxCoord rad = (wxCoord) radius;
1559
1560     cairo_new_path(m_cairo);
1561     cairo_move_to(m_cairo,XLOG2DEV(x + rad),YLOG2DEV(y));
1562     cairo_curve_to(m_cairo,
1563                                 XLOG2DEV(x + rad),YLOG2DEV(y),
1564                                 XLOG2DEV(x),YLOG2DEV(y),
1565                                 XLOG2DEV(x),YLOG2DEV(y + rad));
1566     cairo_line_to(m_cairo,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1567     cairo_curve_to(m_cairo,
1568                                 XLOG2DEV(x),YLOG2DEV(y + height - rad),
1569                                 XLOG2DEV(x),YLOG2DEV(y + height),
1570                                 XLOG2DEV(x + rad),YLOG2DEV(y + height));
1571     cairo_line_to(m_cairo,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1572     cairo_curve_to(m_cairo,
1573                                 XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1574                                 XLOG2DEV(x + width),YLOG2DEV(y + height),
1575                                 XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1576     cairo_line_to(m_cairo,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1577     cairo_curve_to(m_cairo,
1578                                 XLOG2DEV(x + width),YLOG2DEV(y + rad),
1579                                 XLOG2DEV(x + width),YLOG2DEV(y),
1580                                 XLOG2DEV(x + width - rad),YLOG2DEV(y));
1581     cairo_line_to(m_cairo,XLOG2DEV(x + rad),YLOG2DEV(y));
1582     cairo_close_path(m_cairo);
1583
1584     SetBrush(m_brush);
1585     cairo_fill_preserve(m_cairo);
1586
1587     SetPen(m_pen);
1588     cairo_stroke(m_cairo);
1589
1590     CalcBoundingBox(x,y);
1591     CalcBoundingBox(x+width,y+height);
1592 }
1593
1594 void wxGtkPrinterDCImpl::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1595 {
1596     width--;
1597     height--;
1598
1599     cairo_save (m_cairo);
1600
1601     cairo_new_path(m_cairo);
1602
1603     cairo_translate (m_cairo, XLOG2DEV((wxCoord) (x + width / 2.)), YLOG2DEV((wxCoord) (y + height / 2.)));
1604     cairo_scale(m_cairo, 1, (double)YLOG2DEVREL(height)/(double)XLOG2DEVREL(width));
1605     cairo_arc ( m_cairo, 0, 0, XLOG2DEVREL(width/2), 0, 2 * M_PI);
1606
1607     SetBrush( m_brush );
1608     cairo_fill_preserve( m_cairo );
1609
1610     SetPen (m_pen);
1611     cairo_stroke( m_cairo );
1612
1613     CalcBoundingBox( x, y );
1614     CalcBoundingBox( x + width, y + height );
1615
1616     cairo_restore (m_cairo);
1617 }
1618
1619 #if wxUSE_SPLINES
1620 void wxGtkPrinterDCImpl::DoDrawSpline(const wxPointList *points)
1621 {
1622     SetPen (m_pen);
1623
1624     double c, d, x1, y1, x2, y2, x3, y3;
1625     wxPoint *p, *q;
1626
1627     wxPointList::compatibility_iterator node = points->GetFirst();
1628     p = node->GetData();
1629     x1 = p->x;
1630     y1 = p->y;
1631
1632     node = node->GetNext();
1633     p = node->GetData();
1634     c = p->x;
1635     d = p->y;
1636     x3 =
1637          (double)(x1 + c) / 2;
1638     y3 =
1639          (double)(y1 + d) / 2;
1640
1641     cairo_new_path( m_cairo );
1642     cairo_move_to( m_cairo, XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1) );
1643     cairo_line_to( m_cairo, XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1644
1645     CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1646     CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1647
1648     node = node->GetNext();
1649     while (node)
1650     {
1651         q = node->GetData();
1652
1653         x1 = x3;
1654         y1 = y3;
1655         x2 = c;
1656         y2 = d;
1657         c = q->x;
1658         d = q->y;
1659         x3 = (double)(x2 + c) / 2;
1660         y3 = (double)(y2 + d) / 2;
1661
1662         cairo_curve_to(m_cairo,
1663             XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1),
1664             XLOG2DEV((wxCoord)x2), YLOG2DEV((wxCoord)y2),
1665             XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1666
1667         CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1668         CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1669
1670         node = node->GetNext();
1671     }
1672
1673     cairo_line_to ( m_cairo, XLOG2DEV((wxCoord)c), YLOG2DEV((wxCoord)d) );
1674
1675     cairo_stroke( m_cairo );
1676 }
1677 #endif // wxUSE_SPLINES
1678
1679 bool wxGtkPrinterDCImpl::DoBlit(wxCoord xdest, wxCoord ydest,
1680                           wxCoord width, wxCoord height,
1681                           wxDC *source, wxCoord xsrc, wxCoord ysrc,
1682                           wxRasterOperationMode rop, bool useMask,
1683                           wxCoord WXUNUSED_UNLESS_DEBUG(xsrcMask),
1684                           wxCoord WXUNUSED_UNLESS_DEBUG(ysrcMask))
1685 {
1686     wxASSERT_MSG( xsrcMask == wxDefaultCoord && ysrcMask == wxDefaultCoord,
1687                   wxT("mask coordinates are not supported") );
1688
1689     wxCHECK_MSG( source, false, wxT("invalid source dc") );
1690
1691     // Blit into a bitmap.
1692     wxBitmap bitmap( width, height );
1693     wxMemoryDC memDC;
1694     memDC.SelectObject(bitmap);
1695     memDC.Blit(0, 0, width, height, source, xsrc, ysrc, rop);
1696     memDC.SelectObject(wxNullBitmap);
1697
1698     // Draw bitmap. scaling and positioning is done there.
1699     GetOwner()->DrawBitmap( bitmap, xdest, ydest, useMask );
1700
1701     return true;
1702 }
1703
1704 void wxGtkPrinterDCImpl::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y )
1705 {
1706     DoDrawBitmap( icon, x, y, true );
1707 }
1708
1709 void wxGtkPrinterDCImpl::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask )
1710 {
1711     wxCHECK_RET( bitmap.IsOk(), wxT("Invalid bitmap in wxGtkPrinterDCImpl::DoDrawBitmap"));
1712
1713     x = wxCoord(XLOG2DEV(x));
1714     y = wxCoord(YLOG2DEV(y));
1715     int bw = bitmap.GetWidth();
1716     int bh = bitmap.GetHeight();
1717 #ifndef __WXGTK3__
1718     wxBitmap bmpSource = bitmap;  // we need a non-const instance.
1719     if (!useMask && !bitmap.HasPixbuf() && bitmap.GetMask())
1720         bmpSource.SetMask(NULL);
1721 #endif
1722
1723     cairo_save(m_cairo);
1724
1725     // Prepare to draw the image.
1726     cairo_translate(m_cairo, x, y);
1727
1728     // Scale the image
1729     wxDouble scaleX = (wxDouble) XLOG2DEVREL(bw) / (wxDouble) bw;
1730     wxDouble scaleY = (wxDouble) YLOG2DEVREL(bh) / (wxDouble) bh;
1731     cairo_scale(m_cairo, scaleX, scaleY);
1732
1733 #ifdef __WXGTK3__
1734     bitmap.Draw(m_cairo, 0, 0, useMask, &m_textForegroundColour, &m_textBackgroundColour);
1735 #else
1736     gdk_cairo_set_source_pixbuf(m_cairo, bmpSource.GetPixbuf(), 0, 0);
1737     cairo_pattern_set_filter(cairo_get_source(m_cairo), CAIRO_FILTER_NEAREST);
1738     // Use the original size here since the context is scaled already.
1739     cairo_rectangle(m_cairo, 0, 0, bw, bh);
1740     // Fill the rectangle using the pattern.
1741     cairo_fill(m_cairo);
1742 #endif
1743
1744     CalcBoundingBox(0,0);
1745     CalcBoundingBox(bw,bh);
1746
1747     cairo_restore(m_cairo);
1748 }
1749
1750 void wxGtkPrinterDCImpl::DoDrawText(const wxString& text, wxCoord x, wxCoord y )
1751 {
1752     DoDrawRotatedText( text, x, y, 0.0 );
1753 }
1754
1755 void wxGtkPrinterDCImpl::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
1756 {
1757     double xx = XLOG2DEV(x);
1758     double yy = YLOG2DEV(y);
1759
1760     angle = -angle;
1761
1762     const wxScopedCharBuffer data = text.utf8_str();
1763
1764     pango_layout_set_text(m_layout, data, data.length());
1765
1766     const bool setAttrs = m_font.GTKSetPangoAttrs(m_layout);
1767     if (m_textForegroundColour.IsOk())
1768     {
1769         unsigned char red = m_textForegroundColour.Red();
1770         unsigned char blue = m_textForegroundColour.Blue();
1771         unsigned char green = m_textForegroundColour.Green();
1772         unsigned char alpha = m_textForegroundColour.Alpha();
1773
1774         if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue && alpha == m_currentAlpha))
1775         {
1776             double redPS = (double)(red) / 255.0;
1777             double bluePS = (double)(blue) / 255.0;
1778             double greenPS = (double)(green) / 255.0;
1779             double alphaPS = (double)(alpha) / 255.0;
1780
1781             cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1782
1783             m_currentRed = red;
1784             m_currentBlue = blue;
1785             m_currentGreen = green;
1786             m_currentAlpha = alpha;
1787         }
1788     }
1789
1790     // Draw layout.
1791     cairo_move_to (m_cairo, xx, yy);
1792
1793     cairo_save( m_cairo );
1794
1795     if (fabs(angle) > 0.00001)
1796         cairo_rotate( m_cairo, angle*DEG2RAD );
1797
1798     cairo_scale(m_cairo, m_scaleX, m_scaleY);
1799
1800     int w,h;
1801     pango_layout_get_pixel_size( m_layout, &w, &h );
1802
1803     if ( m_backgroundMode == wxBRUSHSTYLE_SOLID )
1804     {
1805         unsigned char red = m_textBackgroundColour.Red();
1806         unsigned char blue = m_textBackgroundColour.Blue();
1807         unsigned char green = m_textBackgroundColour.Green();
1808         unsigned char alpha = m_textBackgroundColour.Alpha();
1809
1810         double redPS = (double)(red) / 255.0;
1811         double bluePS = (double)(blue) / 255.0;
1812         double greenPS = (double)(green) / 255.0;
1813         double alphaPS = (double)(alpha) / 255.0;
1814
1815         cairo_save(m_cairo);
1816         cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1817         cairo_rectangle(m_cairo, 0, 0, w, h);   // still in cairo units
1818         cairo_fill(m_cairo);
1819         cairo_restore(m_cairo);
1820     }
1821
1822     pango_cairo_update_layout (m_cairo, m_layout);
1823     pango_cairo_show_layout (m_cairo, m_layout);
1824
1825     cairo_restore( m_cairo );
1826
1827     if (setAttrs)
1828     {
1829         // Undo underline attributes setting
1830         pango_layout_set_attributes(m_layout, NULL);
1831     }
1832
1833     // Back to device units:
1834     CalcBoundingBox (x, y);
1835     CalcBoundingBox (x + w, y + h);
1836 }
1837
1838 void wxGtkPrinterDCImpl::Clear()
1839 {
1840 // Clear does nothing for printing, but keep the code
1841 // for later reuse
1842 /*
1843     cairo_save(m_cairo);
1844     cairo_set_operator (m_cairo, CAIRO_OPERATOR_SOURCE);
1845     SetBrush(m_backgroundBrush);
1846     cairo_paint(m_cairo);
1847     cairo_restore(m_cairo);
1848 */
1849 }
1850
1851 void wxGtkPrinterDCImpl::SetFont( const wxFont& font )
1852 {
1853     m_font = font;
1854
1855     if (m_font.IsOk())
1856     {
1857         if (m_fontdesc)
1858             pango_font_description_free( m_fontdesc );
1859
1860         m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description );
1861
1862         float size = pango_font_description_get_size( m_fontdesc );
1863         size = size * GetFontPointSizeAdjustment(72.0);
1864         pango_font_description_set_size( m_fontdesc, (gint)size );
1865
1866         pango_layout_set_font_description( m_layout, m_fontdesc );
1867     }
1868 }
1869
1870 void wxGtkPrinterDCImpl::SetPen( const wxPen& pen )
1871 {
1872     if (!pen.IsOk()) return;
1873
1874     m_pen = pen;
1875
1876     double width;
1877
1878     if (m_pen.GetWidth() <= 0)
1879         width = 0.1;
1880     else
1881         width = (double) m_pen.GetWidth();
1882
1883     cairo_set_line_width( m_cairo, width * m_DEV2PS * m_scaleX );
1884     static const double dotted[] = {2.0, 5.0};
1885     static const double short_dashed[] = {4.0, 4.0};
1886     static const double long_dashed[] = {4.0, 8.0};
1887     static const double dotted_dashed[] = {6.0, 6.0, 2.0, 6.0};
1888
1889     switch (m_pen.GetStyle())
1890     {
1891         case wxPENSTYLE_DOT:        cairo_set_dash( m_cairo, dotted, 2, 0 ); break;
1892         case wxPENSTYLE_SHORT_DASH: cairo_set_dash( m_cairo, short_dashed, 2, 0 ); break;
1893         case wxPENSTYLE_LONG_DASH:  cairo_set_dash( m_cairo, long_dashed, 2, 0 ); break;
1894         case wxPENSTYLE_DOT_DASH:   cairo_set_dash( m_cairo, dotted_dashed, 4, 0 );  break;
1895         case wxPENSTYLE_USER_DASH:
1896         {
1897             wxDash *wx_dashes;
1898             int num = m_pen.GetDashes (&wx_dashes);
1899             gdouble *g_dashes = g_new( gdouble, num );
1900             int i;
1901             for (i = 0; i < num; ++i)
1902                 g_dashes[i] = (gdouble) wx_dashes[i];
1903             cairo_set_dash( m_cairo, g_dashes, num, 0);
1904             g_free( g_dashes );
1905         }
1906         break;
1907         case wxPENSTYLE_SOLID:
1908         case wxPENSTYLE_TRANSPARENT:
1909         default:              cairo_set_dash( m_cairo, NULL, 0, 0 );   break;
1910     }
1911
1912     switch (m_pen.GetCap())
1913     {
1914         case wxCAP_PROJECTING:  cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_SQUARE); break;
1915         case wxCAP_BUTT:        cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_BUTT); break;
1916         case wxCAP_ROUND:
1917         default:                cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_ROUND); break;
1918     }
1919
1920     switch (m_pen.GetJoin())
1921     {
1922         case wxJOIN_BEVEL:  cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_BEVEL); break;
1923         case wxJOIN_MITER:  cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_MITER); break;
1924         case wxJOIN_ROUND:
1925         default:            cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_ROUND); break;
1926     }
1927
1928     unsigned char red = m_pen.GetColour().Red();
1929     unsigned char blue = m_pen.GetColour().Blue();
1930     unsigned char green = m_pen.GetColour().Green();
1931     unsigned char alpha = m_pen.GetColour().Alpha();
1932
1933     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue && alpha == m_currentAlpha))
1934     {
1935         double redPS = (double)(red) / 255.0;
1936         double bluePS = (double)(blue) / 255.0;
1937         double greenPS = (double)(green) / 255.0;
1938         double alphaPS = (double)(alpha) / 255.0;
1939
1940         cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1941
1942         m_currentRed = red;
1943         m_currentBlue = blue;
1944         m_currentGreen = green;
1945         m_currentAlpha = alpha;
1946     }
1947 }
1948
1949 void wxGtkPrinterDCImpl::SetBrush( const wxBrush& brush )
1950 {
1951     if (!brush.IsOk()) return;
1952
1953     m_brush = brush;
1954
1955     if (m_brush.GetStyle() == wxBRUSHSTYLE_TRANSPARENT)
1956     {
1957         cairo_set_source_rgba( m_cairo, 0, 0, 0, 0 );
1958         m_currentRed = 0;
1959         m_currentBlue = 0;
1960         m_currentGreen = 0;
1961         m_currentAlpha = 0;
1962         return;
1963     }
1964
1965     // Brush colour.
1966     unsigned char red = m_brush.GetColour().Red();
1967     unsigned char blue = m_brush.GetColour().Blue();
1968     unsigned char green = m_brush.GetColour().Green();
1969     unsigned char alpha = m_brush.GetColour().Alpha();
1970
1971     double redPS = (double)(red) / 255.0;
1972     double bluePS = (double)(blue) / 255.0;
1973     double greenPS = (double)(green) / 255.0;
1974     double alphaPS = (double)(alpha) / 255.0;
1975
1976     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue && alpha == m_currentAlpha))
1977     {
1978         cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1979
1980         m_currentRed = red;
1981         m_currentBlue = blue;
1982         m_currentGreen = green;
1983         m_currentAlpha = alpha;
1984     }
1985
1986     if (m_brush.IsHatch())
1987     {
1988         cairo_t * cr;
1989         cairo_surface_t *surface;
1990         surface = cairo_surface_create_similar(cairo_get_target(m_cairo),CAIRO_CONTENT_COLOR_ALPHA,10,10);
1991         cr = cairo_create(surface);
1992         cairo_set_line_cap(cr, CAIRO_LINE_CAP_SQUARE);
1993         cairo_set_line_width(cr, 1);
1994         cairo_set_line_join(cr,CAIRO_LINE_JOIN_MITER);
1995
1996         switch (m_brush.GetStyle())
1997         {
1998             case wxBRUSHSTYLE_CROSS_HATCH:
1999                 cairo_move_to(cr, 5, 0);
2000                 cairo_line_to(cr, 5, 10);
2001                 cairo_move_to(cr, 0, 5);
2002                 cairo_line_to(cr, 10, 5);
2003                 break;
2004             case wxBRUSHSTYLE_BDIAGONAL_HATCH:
2005                 cairo_move_to(cr, 0, 10);
2006                 cairo_line_to(cr, 10, 0);
2007                 break;
2008             case wxBRUSHSTYLE_FDIAGONAL_HATCH:
2009                 cairo_move_to(cr, 0, 0);
2010                 cairo_line_to(cr, 10, 10);
2011                 break;
2012             case wxBRUSHSTYLE_CROSSDIAG_HATCH:
2013                 cairo_move_to(cr, 0, 0);
2014                 cairo_line_to(cr, 10, 10);
2015                 cairo_move_to(cr, 10, 0);
2016                 cairo_line_to(cr, 0, 10);
2017                 break;
2018             case wxBRUSHSTYLE_HORIZONTAL_HATCH:
2019                 cairo_move_to(cr, 0, 5);
2020                 cairo_line_to(cr, 10, 5);
2021                 break;
2022             case wxBRUSHSTYLE_VERTICAL_HATCH:
2023                 cairo_move_to(cr, 5, 0);
2024                 cairo_line_to(cr, 5, 10);
2025                 break;
2026             default:
2027                 wxFAIL_MSG(_("Couldn't get hatch style from wxBrush."));
2028         }
2029
2030         cairo_set_source_rgba(cr, redPS, greenPS, bluePS, alphaPS);
2031         cairo_stroke (cr);
2032
2033         cairo_destroy(cr);
2034         cairo_pattern_t * pattern = cairo_pattern_create_for_surface (surface);
2035         cairo_surface_destroy(surface);
2036         cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT);
2037         cairo_set_source(m_cairo, pattern);
2038         cairo_pattern_destroy(pattern);
2039     }
2040 }
2041
2042 void wxGtkPrinterDCImpl::SetLogicalFunction( wxRasterOperationMode function )
2043 {
2044     if (function == wxCLEAR)
2045         cairo_set_operator (m_cairo, CAIRO_OPERATOR_CLEAR);
2046     else if (function == wxOR)
2047         cairo_set_operator (m_cairo, CAIRO_OPERATOR_OUT);
2048     else if (function == wxNO_OP)
2049         cairo_set_operator (m_cairo, CAIRO_OPERATOR_DEST);
2050     else if (function == wxAND)
2051         cairo_set_operator (m_cairo, CAIRO_OPERATOR_ADD);
2052     else if (function == wxSET)
2053         cairo_set_operator (m_cairo, CAIRO_OPERATOR_SATURATE);
2054     else if (function == wxXOR)
2055         cairo_set_operator (m_cairo, CAIRO_OPERATOR_XOR);
2056     else // wxCOPY or anything else.
2057         cairo_set_operator (m_cairo, CAIRO_OPERATOR_SOURCE);
2058 }
2059
2060 void wxGtkPrinterDCImpl::SetBackground( const wxBrush& brush )
2061 {
2062     m_backgroundBrush = brush;
2063     cairo_save(m_cairo);
2064     cairo_set_operator (m_cairo, CAIRO_OPERATOR_DEST_OVER);
2065
2066     SetBrush(m_backgroundBrush);
2067     cairo_paint(m_cairo);
2068     cairo_restore(m_cairo);
2069 }
2070
2071 void wxGtkPrinterDCImpl::SetBackgroundMode(int mode)
2072 {
2073     if (mode == wxBRUSHSTYLE_SOLID)
2074         m_backgroundMode = wxBRUSHSTYLE_SOLID;
2075     else
2076         m_backgroundMode = wxBRUSHSTYLE_TRANSPARENT;
2077 }
2078
2079 void wxGtkPrinterDCImpl::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
2080 {
2081     cairo_rectangle ( m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(width), YLOG2DEVREL(height));
2082     cairo_clip(m_cairo);
2083 }
2084
2085 void wxGtkPrinterDCImpl::DestroyClippingRegion()
2086 {
2087     cairo_reset_clip(m_cairo);
2088 }
2089
2090 bool wxGtkPrinterDCImpl::StartDoc(const wxString& WXUNUSED(message))
2091 {
2092     return true;
2093 }
2094
2095 void wxGtkPrinterDCImpl::EndDoc()
2096 {
2097     return;
2098 }
2099
2100 void wxGtkPrinterDCImpl::StartPage()
2101 {
2102     return;
2103 }
2104
2105 void wxGtkPrinterDCImpl::EndPage()
2106 {
2107     return;
2108 }
2109
2110 wxCoord wxGtkPrinterDCImpl::GetCharHeight() const
2111 {
2112     pango_layout_set_text( m_layout, "H", 1 );
2113
2114     int w,h;
2115     pango_layout_get_pixel_size( m_layout, &w, &h );
2116
2117     return wxRound( h * m_PS2DEV );
2118 }
2119
2120 wxCoord wxGtkPrinterDCImpl::GetCharWidth() const
2121 {
2122     pango_layout_set_text( m_layout, "H", 1 );
2123
2124     int w,h;
2125     pango_layout_get_pixel_size( m_layout, &w, &h );
2126
2127     return wxRound( w * m_PS2DEV );
2128 }
2129
2130 void wxGtkPrinterDCImpl::DoGetTextExtent(const wxString& string, wxCoord *width, wxCoord *height,
2131                      wxCoord *descent,
2132                      wxCoord *externalLeading,
2133                      const wxFont *theFont ) const
2134 {
2135     if ( width )
2136         *width = 0;
2137     if ( height )
2138         *height = 0;
2139     if ( descent )
2140         *descent = 0;
2141     if ( externalLeading )
2142         *externalLeading = 0;
2143
2144     if (string.empty())
2145     {
2146         return;
2147     }
2148
2149     cairo_save( m_cairo );
2150     cairo_scale(m_cairo, m_scaleX, m_scaleY);
2151
2152     // Set layout's text
2153     const wxScopedCharBuffer dataUTF8 = string.utf8_str();
2154
2155     gint oldSize=0;
2156     if ( theFont )
2157     {
2158         // scale the font and apply it
2159         PangoFontDescription *desc = theFont->GetNativeFontInfo()->description;
2160         oldSize = pango_font_description_get_size(desc);
2161         const float size = oldSize * GetFontPointSizeAdjustment(72.0);
2162         pango_font_description_set_size(desc, (gint)size);
2163
2164         pango_layout_set_font_description(m_layout, desc);
2165     }
2166
2167     pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
2168
2169     int h;
2170     pango_layout_get_pixel_size( m_layout, width, &h );
2171     if ( height )
2172         *height = h;
2173
2174     if (descent)
2175     {
2176         PangoLayoutIter *iter = pango_layout_get_iter(m_layout);
2177         int baseline = pango_layout_iter_get_baseline(iter);
2178         pango_layout_iter_free(iter);
2179         *descent = h - PANGO_PIXELS(baseline);
2180     }
2181
2182     if ( theFont )
2183     {
2184         // restore font and reset font's size back
2185         pango_layout_set_font_description(m_layout, m_fontdesc);
2186
2187         PangoFontDescription *desc = theFont->GetNativeFontInfo()->description;
2188         pango_font_description_set_size(desc, oldSize);
2189     }
2190
2191     cairo_restore( m_cairo );
2192 }
2193
2194 void wxGtkPrinterDCImpl::DoGetSize(int* width, int* height) const
2195 {
2196     GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc );
2197
2198     if (width)
2199         *width = wxRound( (double)gtk_page_setup_get_paper_width( setup, GTK_UNIT_POINTS ) * (double)m_resolution / 72.0 );
2200     if (height)
2201         *height = wxRound( (double)gtk_page_setup_get_paper_height( setup, GTK_UNIT_POINTS ) * (double)m_resolution / 72.0 );
2202 }
2203
2204 void wxGtkPrinterDCImpl::DoGetSizeMM(int *width, int *height) const
2205 {
2206     GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc );
2207
2208     if (width)
2209         *width = wxRound( gtk_page_setup_get_paper_width( setup, GTK_UNIT_MM ) );
2210     if (height)
2211         *height = wxRound( gtk_page_setup_get_paper_height( setup, GTK_UNIT_MM ) );
2212 }
2213
2214 wxSize wxGtkPrinterDCImpl::GetPPI() const
2215 {
2216     return wxSize( (int)m_resolution, (int)m_resolution );
2217 }
2218
2219 void wxGtkPrinterDCImpl::SetPrintData(const wxPrintData& data)
2220 {
2221     m_printData = data;
2222 }
2223
2224 // overridden for wxPrinterDC Impl
2225
2226 wxRect wxGtkPrinterDCImpl::GetPaperRect() const
2227 {
2228     // Does GtkPrint support printer margins?
2229     int w = 0;
2230     int h = 0;
2231     DoGetSize( &w, &h );
2232     return wxRect( 0,0,w,h );
2233 }
2234
2235 int wxGtkPrinterDCImpl::GetResolution() const
2236 {
2237     return m_resolution;
2238 }
2239
2240 // ----------------------------------------------------------------------------
2241 // Print preview
2242 // ----------------------------------------------------------------------------
2243
2244 IMPLEMENT_CLASS(wxGtkPrintPreview, wxPrintPreviewBase)
2245
2246 void wxGtkPrintPreview::Init(wxPrintout * WXUNUSED(printout),
2247                              wxPrintout * WXUNUSED(printoutForPrinting),
2248                              wxPrintData *data)
2249 {
2250     // convert wxPrintQuality to resolution (input pointer can be NULL)
2251     wxPrintQuality quality = data ? data->GetQuality() : wxPRINT_QUALITY_MEDIUM;
2252     switch ( quality )
2253     {
2254         case wxPRINT_QUALITY_HIGH:
2255             m_resolution = 1200;
2256             break;
2257
2258         case wxPRINT_QUALITY_LOW:
2259             m_resolution = 300;
2260             break;
2261
2262         case wxPRINT_QUALITY_DRAFT:
2263             m_resolution = 150;
2264             break;
2265
2266         default:
2267             if ( quality > 0 )
2268             {
2269                 // positive values directly indicate print resolution
2270                 m_resolution = quality;
2271                 break;
2272             }
2273
2274             wxFAIL_MSG( "unknown print quality" );
2275             // fall through
2276
2277         case wxPRINT_QUALITY_MEDIUM:
2278             m_resolution = 600;
2279             break;
2280
2281     }
2282
2283     DetermineScaling();
2284 }
2285
2286 wxGtkPrintPreview::wxGtkPrintPreview(wxPrintout *printout,
2287                                      wxPrintout *printoutForPrinting,
2288                                      wxPrintDialogData *data)
2289                  : wxPrintPreviewBase(printout, printoutForPrinting, data)
2290 {
2291     Init(printout, printoutForPrinting, data ? &data->GetPrintData() : NULL);
2292 }
2293
2294 wxGtkPrintPreview::wxGtkPrintPreview(wxPrintout *printout,
2295                                      wxPrintout *printoutForPrinting,
2296                                      wxPrintData *data)
2297                  : wxPrintPreviewBase(printout, printoutForPrinting, data)
2298 {
2299     Init(printout, printoutForPrinting, data);
2300 }
2301
2302 wxGtkPrintPreview::~wxGtkPrintPreview()
2303 {
2304 }
2305
2306 bool wxGtkPrintPreview::Print(bool interactive)
2307 {
2308     if (!m_printPrintout)
2309         return false;
2310
2311     wxPrinter printer(& m_printDialogData);
2312     return printer.Print(m_previewFrame, m_printPrintout, interactive);
2313 }
2314
2315 void wxGtkPrintPreview::DetermineScaling()
2316 {
2317     wxPaperSize paperType = m_printDialogData.GetPrintData().GetPaperId();
2318
2319     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType);
2320     if (!paper)
2321         paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
2322
2323     if (paper)
2324     {
2325         const wxSize screenPPI = wxGetDisplayPPI();
2326         int logPPIScreenX = screenPPI.GetWidth();
2327         int logPPIScreenY = screenPPI.GetHeight();
2328         int logPPIPrinterX = m_resolution;
2329         int logPPIPrinterY = m_resolution;
2330
2331         m_previewPrintout->SetPPIScreen( logPPIScreenX, logPPIScreenY );
2332         m_previewPrintout->SetPPIPrinter( logPPIPrinterX, logPPIPrinterY );
2333
2334         // Get width and height in points (1/72th of an inch)
2335         wxSize sizeDevUnits(paper->GetSizeDeviceUnits());
2336         sizeDevUnits.x = wxRound((double)sizeDevUnits.x * (double)m_resolution / 72.0);
2337         sizeDevUnits.y = wxRound((double)sizeDevUnits.y * (double)m_resolution / 72.0);
2338
2339         wxSize sizeTenthsMM(paper->GetSize());
2340         wxSize sizeMM(sizeTenthsMM.x / 10, sizeTenthsMM.y / 10);
2341
2342         // If in landscape mode, we need to swap the width and height.
2343         if ( m_printDialogData.GetPrintData().GetOrientation() == wxLANDSCAPE )
2344         {
2345             m_pageWidth = sizeDevUnits.y;
2346             m_pageHeight = sizeDevUnits.x;
2347             m_previewPrintout->SetPageSizeMM(sizeMM.y, sizeMM.x);
2348         }
2349         else
2350         {
2351             m_pageWidth = sizeDevUnits.x;
2352             m_pageHeight = sizeDevUnits.y;
2353             m_previewPrintout->SetPageSizeMM(sizeMM.x, sizeMM.y);
2354         }
2355         m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
2356         m_previewPrintout->SetPaperRectPixels(wxRect(0, 0, m_pageWidth, m_pageHeight));
2357
2358         // At 100%, the page should look about page-size on the screen.
2359         m_previewScaleX = float(logPPIScreenX) / logPPIPrinterX;
2360         m_previewScaleY = float(logPPIScreenY) / logPPIPrinterY;
2361     }
2362 }
2363
2364 #endif
2365      // wxUSE_GTKPRINT