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 // Copyright:   (c) 2007 wxWidgets development team
   7 // Licence:     wxWindows Licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // For compilers that support precompilation, includes "wx/wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #ifdef __BORLANDC__
  14 #pragma hdrstop
  15 #endif
  16
  17 #if wxUSE_GTKPRINT
  18
  19 #include "wx/gtk/print.h"
  20
  21 #ifndef WX_PRECOMP
  22 #include "wx/log.h"
  23 #include "wx/dcmemory.h"
  24 #include "wx/dcprint.h"
  25 #include "wx/icon.h"
  26 #include "wx/math.h"
  27 #include "wx/image.h"
  28 #include "wx/module.h"
  29 #include "wx/crt.h"
  30 #endif
  31
  32 #include "wx/fontutil.h"
  33 #include "wx/dynlib.h"
  34 #include "wx/paper.h"
  35 #include "wx/scopeguard.h"
  36 #include "wx/modalhook.h"
  37
  38 #include <gtk/gtk.h>
  39
  40 #if GTK_CHECK_VERSION(2,14,0)
  41 #include <gtk/gtkunixprint.h>
  42 #else
  43 #include <gtk/gtkpagesetupunixdialog.h>
  44 #endif
  45
  46
  47 #if wxUSE_GRAPHICS_CONTEXT
  48 #include "wx/graphics.h"
  49 #endif
  50
  51 #include "wx/link.h"
  52 wxFORCE_LINK_THIS_MODULE(gtk_print)
  53
  54 #if wxUSE_LIBGNOMEPRINT
  55 #include "wx/gtk/gnome/gprint.h"
  56 #endif
  57
  58 #include "wx/gtk/private/object.h"
  59
  60 // Useful to convert angles from/to Rad to/from Deg.
  61 static const double RAD2DEG  = 180.0 / M_PI;
  62 static const double DEG2RAD  = M_PI / 180.0;
  63
  64 //----------------------------------------------------------------------------
  65 // wxGtkPrintModule
  66 // Initialized when starting the app : if it successfully load the gtk-print framework,
  67 // it uses it. If not, it falls back to gnome print (see /gtk/gnome/gprint.cpp) then
  68 // to postscript if gnomeprint is not available.
  69 //----------------------------------------------------------------------------
  70
  71 class wxGtkPrintModule: public wxModule
  72 {
  73 public:
  74     wxGtkPrintModule()
  75     {
  76 #if wxUSE_LIBGNOMEPRINT
  77         // This module must be initialized AFTER gnomeprint's one
  78         AddDependency(wxCLASSINFO(wxGnomePrintModule));
  79 #endif
  80     }
  81     bool OnInit();
  82     void OnExit() {}
  83
  84 private:
  85     DECLARE_DYNAMIC_CLASS(wxGtkPrintModule)
  86 };
  87
  88 bool wxGtkPrintModule::OnInit()
  89 {
  90 #ifndef __WXGTK3__
  91     if (gtk_check_version(2,10,0) == NULL)
  92 #endif
  93     {
  94         wxPrintFactory::SetPrintFactory( new wxGtkPrintFactory );
  95     }
  96     return true;
  97 }
  98
  99 IMPLEMENT_DYNAMIC_CLASS(wxGtkPrintModule, wxModule)
 100
 101 //----------------------------------------------------------------------------
 102 // wxGtkPrintFactory
 103 //----------------------------------------------------------------------------
 104
 105 wxPrinterBase* wxGtkPrintFactory::CreatePrinter( wxPrintDialogData *data )
 106 {
 107     return new wxGtkPrinter( data );
 108 }
 109
 110 wxPrintPreviewBase *wxGtkPrintFactory::CreatePrintPreview( wxPrintout *preview,
 111                                                     wxPrintout *printout,
 112                                                     wxPrintDialogData *data )
 113 {
 114     return new wxGtkPrintPreview( preview, printout, data );
 115 }
 116
 117 wxPrintPreviewBase *wxGtkPrintFactory::CreatePrintPreview( wxPrintout *preview,
 118                                                     wxPrintout *printout,
 119                                                     wxPrintData *data )
 120 {
 121     return new wxGtkPrintPreview( preview, printout, data );
 122 }
 123
 124 wxPrintDialogBase *wxGtkPrintFactory::CreatePrintDialog( wxWindow *parent,
 125                                                   wxPrintDialogData *data )
 126 {
 127     return new wxGtkPrintDialog( parent, data );
 128 }
 129
 130 wxPrintDialogBase *wxGtkPrintFactory::CreatePrintDialog( wxWindow *parent,
 131                                                   wxPrintData *data )
 132 {
 133     return new wxGtkPrintDialog( parent, data );
 134 }
 135
 136 wxPageSetupDialogBase *wxGtkPrintFactory::CreatePageSetupDialog( wxWindow *parent,
 137                                                           wxPageSetupDialogData * data )
 138 {
 139     return new wxGtkPageSetupDialog( parent, data );
 140 }
 141
 142 bool wxGtkPrintFactory::HasPrintSetupDialog()
 143 {
 144     return false;
 145 }
 146
 147 wxDialog *
 148 wxGtkPrintFactory::CreatePrintSetupDialog(wxWindow * WXUNUSED(parent),
 149                                           wxPrintData * WXUNUSED(data))
 150 {
 151     return NULL;
 152 }
 153
 154 wxDCImpl* wxGtkPrintFactory::CreatePrinterDCImpl( wxPrinterDC *owner, const wxPrintData& data )
 155 {
 156     return new wxGtkPrinterDCImpl( owner, data );
 157 }
 158
 159 bool wxGtkPrintFactory::HasOwnPrintToFile()
 160 {
 161     return true;
 162 }
 163
 164 bool wxGtkPrintFactory::HasPrinterLine()
 165 {
 166     return true;
 167 }
 168
 169 wxString wxGtkPrintFactory::CreatePrinterLine()
 170 {
 171     // redundant now
 172     return wxEmptyString;
 173 }
 174
 175 bool wxGtkPrintFactory::HasStatusLine()
 176 {
 177     // redundant now
 178     return true;
 179 }
 180
 181 wxString wxGtkPrintFactory::CreateStatusLine()
 182 {
 183     // redundant now
 184     return wxEmptyString;
 185 }
 186
 187 wxPrintNativeDataBase *wxGtkPrintFactory::CreatePrintNativeData()
 188 {
 189     return new wxGtkPrintNativeData;
 190 }
 191
 192 //----------------------------------------------------------------------------
 193 // Callback functions for Gtk Printings.
 194 //----------------------------------------------------------------------------
 195
 196 // We use it to pass useful objects to GTK printing callback functions.
 197 struct wxPrinterToGtkData
 198 {
 199    wxGtkPrinter * printer;
 200    wxPrintout * printout;
 201 };
 202
 203 extern "C"
 204 {
 205     static void gtk_begin_print_callback (GtkPrintOperation *operation, GtkPrintContext *context, gpointer user_data)
 206     {
 207         wxPrinterToGtkData *data = (wxPrinterToGtkData *) user_data;
 208
 209         data->printer->BeginPrint(data->printout, operation, context);
 210     }
 211
 212     static void gtk_draw_page_print_callback (GtkPrintOperation *operation, GtkPrintContext *context, gint page_nr, gpointer user_data)
 213     {
 214         wxPrinterToGtkData *data = (wxPrinterToGtkData *) user_data;
 215
 216         data->printer->DrawPage(data->printout, operation, context, page_nr);
 217     }
 218
 219     static void gtk_end_print_callback(GtkPrintOperation * WXUNUSED(operation),
 220                                        GtkPrintContext * WXUNUSED(context),
 221                                        gpointer user_data)
 222     {
 223         wxPrintout *printout = (wxPrintout *) user_data;
 224
 225         printout->OnEndPrinting();
 226     }
 227 }
 228
 229 //----------------------------------------------------------------------------
 230 // wxGtkPrintNativeData
 231 //----------------------------------------------------------------------------
 232
 233 IMPLEMENT_CLASS(wxGtkPrintNativeData, wxPrintNativeDataBase)
 234
 235 wxGtkPrintNativeData::wxGtkPrintNativeData()
 236 {
 237     m_config = gtk_print_settings_new();
 238     m_job = NULL;
 239     m_context = NULL;
 240 }
 241
 242 wxGtkPrintNativeData::~wxGtkPrintNativeData()
 243 {
 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     WX_HOOK_MODAL_DIALOG();
 627
 628     // We need to restore the settings given in the constructor.
 629     wxPrintData data = m_printDialogData.GetPrintData();
 630     wxGtkPrintNativeData *native =
 631       (wxGtkPrintNativeData*) data.GetNativeData();
 632     data.ConvertToNative();
 633
 634     GtkPrintSettings * settings = native->GetPrintConfig();
 635
 636     // We have to restore pages to print here because they're stored in a wxPrintDialogData and ConvertToNative only works for wxPrintData.
 637     int fromPage = m_printDialogData.GetFromPage();
 638     int toPage = m_printDialogData.GetToPage();
 639     if (m_printDialogData.GetSelection())
 640         gtk_print_settings_set_print_pages(settings, GTK_PRINT_PAGES_CURRENT);
 641     else if (m_printDialogData.GetAllPages())
 642         gtk_print_settings_set_print_pages(settings, GTK_PRINT_PAGES_ALL);
 643     else {
 644         gtk_print_settings_set_print_pages(settings, GTK_PRINT_PAGES_RANGES);
 645         GtkPageRange *range;
 646         range = g_new (GtkPageRange, 1);
 647         range[0].start = fromPage-1;
 648         range[0].end = (toPage >= fromPage) ? toPage-1 : fromPage-1;
 649         gtk_print_settings_set_page_ranges (settings, range, 1);
 650     }
 651
 652     GtkPrintOperation * const printOp = native->GetPrintJob();
 653
 654     // If the settings are OK, we restore it.
 655     if (settings != NULL)
 656         gtk_print_operation_set_print_settings (printOp, settings);
 657     gtk_print_operation_set_default_page_setup (printOp, native->GetPageSetupFromSettings(settings));
 658
 659     // Show the dialog if needed.
 660     GError* gError = NULL;
 661     GtkPrintOperationResult response = gtk_print_operation_run
 662                                        (
 663                                            printOp,
 664                                            GetShowDialog()
 665                                             ? GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG
 666                                             : GTK_PRINT_OPERATION_ACTION_PRINT,
 667                                            m_parent
 668                                             ? GTK_WINDOW(gtk_widget_get_toplevel(m_parent->m_widget))
 669                                             : NULL,
 670                                            &gError
 671                                        );
 672
 673     // Does everything went well?
 674     if (response == GTK_PRINT_OPERATION_RESULT_CANCEL)
 675     {
 676         return wxID_CANCEL;
 677     }
 678     else if (response == GTK_PRINT_OPERATION_RESULT_ERROR)
 679     {
 680         wxLogError(_("Error while printing: ") + wxString(gError ? gError->message : "???"));
 681         g_error_free (gError);
 682         return wxID_NO; // We use wxID_NO because there is no wxID_ERROR available
 683     }
 684
 685     // Now get the settings and save it.
 686     GtkPrintSettings* newSettings = gtk_print_operation_get_print_settings(printOp);
 687     native->SetPrintConfig(newSettings);
 688     data.ConvertFromNative();
 689
 690     // Set PrintDialogData variables
 691     m_printDialogData.SetPrintData(data);
 692     m_printDialogData.SetCollate(data.GetCollate());
 693     m_printDialogData.SetNoCopies(data.GetNoCopies());
 694     m_printDialogData.SetPrintToFile(data.GetPrinterName() == "Print to File");
 695
 696     // Same problem as a few lines before.
 697     switch (gtk_print_settings_get_print_pages(newSettings))
 698     {
 699         case GTK_PRINT_PAGES_CURRENT:
 700             m_printDialogData.SetSelection( true );
 701             break;
 702         case GTK_PRINT_PAGES_RANGES:
 703             {// wxWidgets doesn't support multiple ranges, so we can only save the first one even if the user wants to print others.
 704             // 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
 705             // will hit "OK" button. However we can only save 1-3 in the print data.
 706             gint num_ranges = 0;
 707             GtkPageRange* range;
 708             range = gtk_print_settings_get_page_ranges (newSettings, &num_ranges);
 709             if (num_ranges >= 1)
 710             {
 711                 m_printDialogData.SetFromPage( range[0].start );
 712                 m_printDialogData.SetToPage( range[0].end );
 713             }
 714             else {
 715                 m_printDialogData.SetAllPages( true );
 716                 m_printDialogData.SetFromPage( 0 );
 717                 m_printDialogData.SetToPage( 9999 );
 718             }
 719             break;}
 720         case GTK_PRINT_PAGES_ALL:
 721         default:
 722             m_printDialogData.SetAllPages( true );
 723             m_printDialogData.SetFromPage( 0 );
 724             m_printDialogData.SetToPage( 9999 );
 725             break;
 726     }
 727
 728     return wxID_OK;
 729 }
 730
 731 //----------------------------------------------------------------------------
 732 // wxGtkPageSetupDialog
 733 //----------------------------------------------------------------------------
 734
 735 IMPLEMENT_CLASS(wxGtkPageSetupDialog, wxPageSetupDialogBase)
 736
 737 wxGtkPageSetupDialog::wxGtkPageSetupDialog( wxWindow *parent,
 738                             wxPageSetupDialogData* data )
 739 {
 740     if (data)
 741         m_pageDialogData = *data;
 742
 743     m_parent = parent;
 744 }
 745
 746 wxGtkPageSetupDialog::~wxGtkPageSetupDialog()
 747 {
 748 }
 749
 750 int wxGtkPageSetupDialog::ShowModal()
 751 {
 752     WX_HOOK_MODAL_DIALOG();
 753
 754     // Get the config.
 755     m_pageDialogData.GetPrintData().ConvertToNative();
 756     wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) m_pageDialogData.GetPrintData().GetNativeData();
 757     GtkPrintSettings* nativeData = native->GetPrintConfig();
 758
 759     // We only need the pagesetup data which are part of the settings.
 760     GtkPageSetup* oldPageSetup = native->GetPageSetupFromSettings(nativeData);
 761
 762     // If the user used a custom paper format the last time he printed, we have to restore it too.
 763     if (m_pageDialogData.GetPrintData().GetPaperId() == wxPAPER_NONE)
 764     {
 765         wxSize customPaperSize = m_pageDialogData.GetPaperSize();
 766         if (customPaperSize.GetWidth() > 0 && customPaperSize.GetHeight() > 0)
 767         {
 768             wxString title = _("Custom size");
 769             GtkPaperSize* customSize = gtk_paper_size_new_custom ("custom", title.mb_str(), (gdouble) customPaperSize.GetWidth(), (gdouble) customPaperSize.GetHeight(), GTK_UNIT_MM);
 770             gtk_page_setup_set_paper_size_and_default_margins (oldPageSetup, customSize);
 771             g_object_unref(customSize);
 772         }
 773     }
 774
 775
 776     // Set selected printer
 777     gtk_print_settings_set(nativeData, "format-for-printer",
 778                            gtk_print_settings_get_printer(nativeData));
 779
 780     // Create custom dialog
 781     wxString title(GetTitle());
 782     if ( title.empty() )
 783         title = _("Page Setup");
 784     GtkWidget *
 785         dlg = gtk_page_setup_unix_dialog_new(title.utf8_str(),
 786                                              m_parent
 787                                                 ? GTK_WINDOW(m_parent->m_widget)
 788                                                 : NULL);
 789
 790     gtk_page_setup_unix_dialog_set_print_settings(
 791         GTK_PAGE_SETUP_UNIX_DIALOG(dlg), nativeData);
 792     gtk_page_setup_unix_dialog_set_page_setup(
 793         GTK_PAGE_SETUP_UNIX_DIALOG(dlg), oldPageSetup);
 794
 795     int result = gtk_dialog_run(GTK_DIALOG(dlg));
 796     gtk_widget_hide(dlg);
 797
 798     switch ( result )
 799     {
 800         case GTK_RESPONSE_OK:
 801         case GTK_RESPONSE_APPLY:
 802             {
 803                 // Store Selected Printer Name
 804                 gtk_print_settings_set_printer
 805                 (
 806                     nativeData,
 807                     gtk_print_settings_get(nativeData, "format-for-printer")
 808                 );
 809
 810                 wxGtkObject<GtkPageSetup>
 811                     newPageSetup(gtk_page_setup_unix_dialog_get_page_setup(
 812                                         GTK_PAGE_SETUP_UNIX_DIALOG(dlg)));
 813                 native->SetPageSetupToSettings(nativeData, newPageSetup);
 814
 815                 m_pageDialogData.GetPrintData().ConvertFromNative();
 816
 817                 // Store custom paper format if any.
 818                 if ( m_pageDialogData.GetPrintData().GetPaperId() == wxPAPER_NONE )
 819                 {
 820                     gdouble ml,mr,mt,mb,pw,ph;
 821                     ml = gtk_page_setup_get_left_margin (newPageSetup, GTK_UNIT_MM);
 822                     mr = gtk_page_setup_get_right_margin (newPageSetup, GTK_UNIT_MM);
 823                     mt = gtk_page_setup_get_top_margin (newPageSetup, GTK_UNIT_MM);
 824                     mb = gtk_page_setup_get_bottom_margin (newPageSetup, GTK_UNIT_MM);
 825
 826                     pw = gtk_page_setup_get_paper_width (newPageSetup, GTK_UNIT_MM);
 827                     ph = gtk_page_setup_get_paper_height (newPageSetup, GTK_UNIT_MM);
 828
 829                     m_pageDialogData.SetMarginTopLeft(wxPoint((int)(ml+0.5),
 830                                                               (int)(mt+0.5)));
 831                     m_pageDialogData.SetMarginBottomRight(wxPoint((int)(mr+0.5),
 832                                                                   (int)(mb+0.5)));
 833
 834                     m_pageDialogData.SetPaperSize(wxSize((int)(pw+0.5),
 835                                                          (int)(ph+0.5)));
 836                 }
 837
 838                 result = wxID_OK;
 839             }
 840             break;
 841
 842         default:
 843         case GTK_RESPONSE_CANCEL:
 844             result = wxID_CANCEL;
 845             break;
 846     }
 847
 848     gtk_widget_destroy(dlg);
 849
 850     return result;
 851 }
 852
 853 //----------------------------------------------------------------------------
 854 // wxGtkPrinter
 855 //----------------------------------------------------------------------------
 856
 857 IMPLEMENT_CLASS(wxGtkPrinter, wxPrinterBase)
 858
 859 wxGtkPrinter::wxGtkPrinter( wxPrintDialogData *data ) :
 860     wxPrinterBase( data )
 861 {
 862     m_gpc = NULL;
 863
 864     if (data)
 865         m_printDialogData = *data;
 866 }
 867
 868 wxGtkPrinter::~wxGtkPrinter()
 869 {
 870 }
 871
 872 bool wxGtkPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt )
 873 {
 874     if (!printout)
 875     {
 876         sm_lastError = wxPRINTER_ERROR;
 877         return false;
 878     }
 879
 880     // Let's correct the PageInfo just in case the app gives wrong values.
 881     int fromPage, toPage;
 882     int minPage, maxPage;
 883     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 884     m_printDialogData.SetAllPages(true);
 885
 886     if (minPage < 1) minPage = 1;
 887     if (maxPage < 1) maxPage = 9999;
 888     if (maxPage < minPage) maxPage = minPage;
 889
 890     m_printDialogData.SetMinPage(minPage);
 891     m_printDialogData.SetMaxPage(maxPage);
 892     if (fromPage != 0)
 893     {
 894         if (fromPage < minPage) fromPage = minPage;
 895         else if (fromPage > maxPage) fromPage = maxPage;
 896         m_printDialogData.SetFromPage(fromPage);
 897     }
 898     if (toPage != 0)
 899     {
 900         m_printDialogData.SetToPage(toPage);
 901         if (toPage > maxPage) toPage = maxPage;
 902         else if (toPage < minPage) toPage = minPage;
 903     }
 904
 905     if (((minPage != fromPage) && fromPage != 0) || ((maxPage != toPage) && toPage != 0)) m_printDialogData.SetAllPages(false);
 906
 907
 908     wxPrintData printdata = GetPrintDialogData().GetPrintData();
 909     wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) printdata.GetNativeData();
 910
 911     wxGtkObject<GtkPrintOperation> printOp(gtk_print_operation_new());
 912     native->SetPrintJob(printOp);
 913     wxON_BLOCK_EXIT_OBJ1(*native, wxGtkPrintNativeData::SetPrintJob,
 914                          static_cast<GtkPrintOperation*>(NULL));
 915
 916     wxPrinterToGtkData dataToSend;
 917     dataToSend.printer = this;
 918     dataToSend.printout = printout;
 919
 920     // These Gtk signals are caught here.
 921     g_signal_connect (printOp, "begin-print", G_CALLBACK (gtk_begin_print_callback), &dataToSend);
 922     g_signal_connect (printOp, "draw-page", G_CALLBACK (gtk_draw_page_print_callback), &dataToSend);
 923     g_signal_connect (printOp, "end-print", G_CALLBACK (gtk_end_print_callback), printout);
 924
 925     // This is used to setup the DC and
 926     // show the dialog if desired
 927     wxGtkPrintDialog dialog( parent, &m_printDialogData );
 928     dialog.SetPrintDC(m_dc);
 929     dialog.SetShowDialog(prompt);
 930
 931     // doesn't necessarily show
 932     int ret = dialog.ShowModal();
 933     if (ret == wxID_CANCEL)
 934     {
 935         sm_lastError = wxPRINTER_CANCELLED;
 936     }
 937     if (ret == wxID_NO)
 938     {
 939         sm_lastError = wxPRINTER_ERROR;
 940         wxFAIL_MSG(_("The print dialog returned an error."));
 941     }
 942
 943     return (sm_lastError == wxPRINTER_NO_ERROR);
 944 }
 945
 946 void wxGtkPrinter::BeginPrint(wxPrintout *printout, GtkPrintOperation *operation, GtkPrintContext *context)
 947 {
 948     wxPrintData printdata = GetPrintDialogData().GetPrintData();
 949     wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) printdata.GetNativeData();
 950
 951     // We need to update printdata with the new data from the dialog and we
 952     // have to do this here because this method needs this new data and we
 953     // cannot update it earlier
 954     native->SetPrintConfig(gtk_print_operation_get_print_settings(operation));
 955     printdata.ConvertFromNative();
 956
 957     SetPrintContext(context);
 958     native->SetPrintContext( context );
 959
 960     wxPrinterDC *printDC = new wxPrinterDC( printdata );
 961     m_dc = printDC;
 962
 963     if (!m_dc->IsOk())
 964     {
 965         if (sm_lastError != wxPRINTER_CANCELLED)
 966         {
 967             sm_lastError = wxPRINTER_ERROR;
 968             wxFAIL_MSG(_("The wxGtkPrinterDC cannot be used."));
 969         }
 970         return;
 971     }
 972
 973     printout->SetPPIScreen(wxGetDisplayPPI());
 974     printout->SetPPIPrinter( printDC->GetResolution(),
 975                              printDC->GetResolution() );
 976
 977     printout->SetDC(m_dc);
 978
 979     int w, h;
 980     m_dc->GetSize(&w, &h);
 981     printout->SetPageSizePixels((int)w, (int)h);
 982     printout->SetPaperRectPixels(wxRect(0, 0, w, h));
 983     int mw, mh;
 984     m_dc->GetSizeMM(&mw, &mh);
 985     printout->SetPageSizeMM((int)mw, (int)mh);
 986     printout->OnPreparePrinting();
 987
 988     // Get some parameters from the printout, if defined.
 989     int fromPage, toPage;
 990     int minPage, maxPage;
 991     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 992
 993     if (maxPage == 0)
 994     {
 995         sm_lastError = wxPRINTER_ERROR;
 996         wxFAIL_MSG(_("wxPrintout::GetPageInfo gives a null maxPage."));
 997         return;
 998     }
 999
1000     printout->OnBeginPrinting();
1001
1002     int numPages = 0;
1003
1004     // If we're not previewing we need to calculate the number of pages to print.
1005     // If we're previewing, Gtk Print will render every pages without wondering about the page ranges the user may
1006     // have defined in the dialog. So the number of pages is the maximum available.
1007     if (!printout->IsPreview())
1008     {
1009         GtkPrintSettings * settings = gtk_print_operation_get_print_settings (operation);
1010         switch (gtk_print_settings_get_print_pages(settings))
1011         {
1012             case GTK_PRINT_PAGES_CURRENT:
1013                 numPages = 1;
1014                 break;
1015             case GTK_PRINT_PAGES_RANGES:
1016                 {gint num_ranges = 0;
1017                 GtkPageRange* range;
1018                 int i;
1019                 range = gtk_print_settings_get_page_ranges (settings, &num_ranges);
1020                 for (i=0; i<num_ranges; i++)
1021                 {
1022                     if (range[i].end < range[i].start) range[i].end = range[i].start;
1023                     if (range[i].start < minPage-1) range[i].start = minPage-1;
1024                     if (range[i].end > maxPage-1) range[i].end = maxPage-1;
1025                     if (range[i].start > maxPage-1) range[i].start = maxPage-1;
1026                     numPages += range[i].end - range[i].start + 1;
1027                 }
1028                 gtk_print_settings_set_page_ranges (settings, range, 1);
1029                 break;}
1030             case GTK_PRINT_PAGES_ALL:
1031             default:
1032                 numPages = maxPage - minPage + 1;
1033                 break;
1034         }
1035     }
1036     else numPages = maxPage - minPage + 1;
1037
1038     gtk_print_operation_set_n_pages(operation, numPages);
1039 }
1040
1041 void wxGtkPrinter::DrawPage(wxPrintout *printout,
1042                             GtkPrintOperation *operation,
1043                             GtkPrintContext * WXUNUSED(context),
1044                             int page_nr)
1045 {
1046     int fromPage, toPage, minPage, maxPage, startPage, endPage;
1047     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
1048
1049     int numPageToDraw = page_nr + minPage;
1050     if (numPageToDraw < minPage) numPageToDraw = minPage;
1051     if (numPageToDraw > maxPage) numPageToDraw = maxPage;
1052
1053     GtkPrintSettings * settings = gtk_print_operation_get_print_settings (operation);
1054     switch (gtk_print_settings_get_print_pages(settings))
1055     {
1056         case GTK_PRINT_PAGES_CURRENT:
1057             g_object_get_property((GObject*) operation, (const gchar *) "current-page", (GValue*) &startPage);
1058             g_object_get_property((GObject*) operation, (const gchar *) "current-page", (GValue*) &endPage);
1059             break;
1060         case GTK_PRINT_PAGES_RANGES:
1061             {gint num_ranges = 0;
1062             GtkPageRange* range;
1063             range = gtk_print_settings_get_page_ranges (settings, &num_ranges);
1064             // We don't need to verify these values as it has already been done in wxGtkPrinter::BeginPrint.
1065             if (num_ranges >= 1)
1066             {
1067                 startPage = range[0].start + 1;
1068                 endPage = range[0].end + 1;
1069             }
1070             else {
1071                 startPage = minPage;
1072                 endPage = maxPage;
1073             }
1074             break;}
1075         case GTK_PRINT_PAGES_ALL:
1076         default:
1077             startPage = minPage;
1078             endPage = maxPage;
1079             break;
1080     }
1081
1082     if(numPageToDraw == startPage)
1083     {
1084         if (!printout->OnBeginDocument(startPage, endPage))
1085         {
1086             wxLogError(_("Could not start printing."));
1087             sm_lastError = wxPRINTER_ERROR;
1088         }
1089     }
1090
1091     // The app can render the page numPageToDraw.
1092     if (printout->HasPage(numPageToDraw))
1093     {
1094         m_dc->StartPage();
1095         printout->OnPrintPage(numPageToDraw);
1096         m_dc->EndPage();
1097     }
1098
1099
1100     if(numPageToDraw == endPage)
1101     {
1102         printout->OnEndDocument();
1103     }
1104 }
1105
1106 wxDC* wxGtkPrinter::PrintDialog( wxWindow *parent )
1107 {
1108     wxGtkPrintDialog dialog( parent, &m_printDialogData );
1109
1110     dialog.SetPrintDC(m_dc);
1111     dialog.SetShowDialog(true);
1112
1113     int ret = dialog.ShowModal();
1114
1115     if (ret == wxID_CANCEL)
1116     {
1117         sm_lastError = wxPRINTER_CANCELLED;
1118         return NULL;
1119     }
1120     if (ret == wxID_NO)
1121     {
1122         sm_lastError = wxPRINTER_ERROR;
1123         wxFAIL_MSG(_("The print dialog returned an error."));
1124         return NULL;
1125     }
1126
1127     m_printDialogData = dialog.GetPrintDialogData();
1128
1129     return new wxPrinterDC( m_printDialogData.GetPrintData() );
1130 }
1131
1132 bool wxGtkPrinter::Setup( wxWindow * WXUNUSED(parent) )
1133 {
1134     // Obsolete, for backward compatibility.
1135     return false;
1136 }
1137
1138 //-----------------------------------------------------------------------------
1139 // wxGtkPrinterDC
1140 //-----------------------------------------------------------------------------
1141
1142 #define wxCAIRO_SCALE 1
1143
1144 #if wxCAIRO_SCALE
1145
1146 #define XLOG2DEV(x)     LogicalToDeviceX(x)
1147 #define XLOG2DEVREL(x)  LogicalToDeviceXRel(x)
1148 #define YLOG2DEV(x)     LogicalToDeviceY(x)
1149 #define YLOG2DEVREL(x)  LogicalToDeviceYRel(x)
1150
1151 #else
1152
1153 #define XLOG2DEV(x)     ((double)(LogicalToDeviceX(x)) * m_DEV2PS)
1154 #define XLOG2DEVREL(x)  ((double)(LogicalToDeviceXRel(x)) * m_DEV2PS)
1155 #define YLOG2DEV(x)     ((double)(LogicalToDeviceY(x)) * m_DEV2PS)
1156 #define YLOG2DEVREL(x)  ((double)(LogicalToDeviceYRel(x)) * m_DEV2PS)
1157
1158 #endif
1159
1160 IMPLEMENT_ABSTRACT_CLASS(wxGtkPrinterDCImpl, wxDCImpl)
1161
1162 wxGtkPrinterDCImpl::wxGtkPrinterDCImpl(wxPrinterDC *owner, const wxPrintData& data)
1163                   : wxDCImpl( owner )
1164 {
1165     m_printData = data;
1166
1167     wxGtkPrintNativeData *native =
1168         (wxGtkPrintNativeData*) m_printData.GetNativeData();
1169
1170     m_gpc = native->GetPrintContext();
1171
1172     // Match print quality to resolution (high = 1200dpi)
1173     m_resolution = m_printData.GetQuality(); // (int) gtk_print_context_get_dpi_x( m_gpc );
1174     if (m_resolution < 0)
1175         m_resolution = (1 << (m_resolution+4)) *150;
1176
1177     m_context = gtk_print_context_create_pango_context( m_gpc );
1178     m_layout = gtk_print_context_create_pango_layout ( m_gpc );
1179     m_fontdesc = pango_font_description_from_string( "Sans 12" );
1180
1181     m_cairo = gtk_print_context_get_cairo_context ( m_gpc );
1182
1183 #if wxCAIRO_SCALE
1184     m_PS2DEV = 1.0;
1185     m_DEV2PS = 1.0;
1186 #else
1187     m_PS2DEV = (double)m_resolution / 72.0;
1188     m_DEV2PS = 72.0 / (double)m_resolution;
1189 #endif
1190
1191     m_currentRed = 0;
1192     m_currentBlue = 0;
1193     m_currentGreen = 0;
1194
1195     m_signX = 1;  // default x-axis left to right.
1196     m_signY = 1;  // default y-axis bottom up -> top down.
1197 }
1198
1199 wxGtkPrinterDCImpl::~wxGtkPrinterDCImpl()
1200 {
1201     g_object_unref(m_context);
1202     g_object_unref(m_layout);
1203 }
1204
1205 bool wxGtkPrinterDCImpl::IsOk() const
1206 {
1207     return m_gpc != NULL;
1208 }
1209
1210 void* wxGtkPrinterDCImpl::GetCairoContext() const
1211 {
1212     return (void*) cairo_reference( m_cairo );
1213 }
1214
1215 void* wxGtkPrinterDCImpl::GetHandle() const
1216 {
1217     return GetCairoContext();
1218 }
1219
1220 bool wxGtkPrinterDCImpl::DoFloodFill(wxCoord WXUNUSED(x1),
1221                                wxCoord WXUNUSED(y1),
1222                                const wxColour& WXUNUSED(col),
1223                                wxFloodFillStyle WXUNUSED(style))
1224 {
1225     // We can't access the given coord as a Cairo context is scalable, ie a
1226     // coord doesn't mean anything in this context.
1227     wxFAIL_MSG(_("not implemented"));
1228     return false;
1229 }
1230
1231 void wxGtkPrinterDCImpl::DoGradientFillConcentric(const wxRect& rect, const wxColour& initialColour, const wxColour& destColour, const wxPoint& circleCenter)
1232 {
1233     wxCoord xC = circleCenter.x;
1234     wxCoord yC = circleCenter.y;
1235     wxCoord xR = rect.x;
1236     wxCoord yR = rect.y;
1237     wxCoord w =  rect.width;
1238     wxCoord h = rect.height;
1239
1240     const double r2 = (w/2)*(w/2)+(h/2)*(h/2);
1241     double radius = sqrt(r2);
1242
1243     unsigned char redI = initialColour.Red();
1244     unsigned char blueI = initialColour.Blue();
1245     unsigned char greenI = initialColour.Green();
1246     unsigned char alphaI = initialColour.Alpha();
1247     unsigned char redD = destColour.Red();
1248     unsigned char blueD = destColour.Blue();
1249     unsigned char greenD = destColour.Green();
1250     unsigned char alphaD = destColour.Alpha();
1251
1252     double redIPS = (double)(redI) / 255.0;
1253     double blueIPS = (double)(blueI) / 255.0;
1254     double greenIPS = (double)(greenI) / 255.0;
1255     double alphaIPS = (double)(alphaI) / 255.0;
1256     double redDPS = (double)(redD) / 255.0;
1257     double blueDPS = (double)(blueD) / 255.0;
1258     double greenDPS = (double)(greenD) / 255.0;
1259     double alphaDPS = (double)(alphaD) / 255.0;
1260
1261     // Create a pattern with the gradient.
1262     cairo_pattern_t* gradient;
1263     gradient = cairo_pattern_create_radial (XLOG2DEV(xC+xR), YLOG2DEV(yC+yR), 0, XLOG2DEV(xC+xR), YLOG2DEV(yC+yR), radius * m_DEV2PS );
1264     cairo_pattern_add_color_stop_rgba (gradient, 0.0, redIPS, greenIPS, blueIPS, alphaIPS);
1265     cairo_pattern_add_color_stop_rgba (gradient, 1.0, redDPS, greenDPS, blueDPS, alphaDPS);
1266
1267     // Fill the rectangle with this pattern.
1268     cairo_set_source(m_cairo, gradient);
1269     cairo_rectangle (m_cairo, XLOG2DEV(xR), YLOG2DEV(yR), XLOG2DEVREL(w), YLOG2DEVREL(h) );
1270     cairo_fill(m_cairo);
1271
1272     cairo_pattern_destroy(gradient);
1273
1274     CalcBoundingBox(xR, yR);
1275     CalcBoundingBox(xR+w, yR+h);
1276 }
1277
1278 void wxGtkPrinterDCImpl::DoGradientFillLinear(const wxRect& rect, const wxColour& initialColour, const wxColour& destColour, wxDirection nDirection)
1279 {
1280     wxCoord x = rect.x;
1281     wxCoord y = rect.y;
1282     wxCoord w = rect.width;
1283     wxCoord h = rect.height;
1284
1285     unsigned char redI = initialColour.Red();
1286     unsigned char blueI = initialColour.Blue();
1287     unsigned char greenI = initialColour.Green();
1288     unsigned char alphaI = initialColour.Alpha();
1289     unsigned char redD = destColour.Red();
1290     unsigned char blueD = destColour.Blue();
1291     unsigned char greenD = destColour.Green();
1292     unsigned char alphaD = destColour.Alpha();
1293
1294     double redIPS = (double)(redI) / 255.0;
1295     double blueIPS = (double)(blueI) / 255.0;
1296     double greenIPS = (double)(greenI) / 255.0;
1297     double alphaIPS = (double)(alphaI) / 255.0;
1298     double redDPS = (double)(redD) / 255.0;
1299     double blueDPS = (double)(blueD) / 255.0;
1300     double greenDPS = (double)(greenD) / 255.0;
1301     double alphaDPS = (double)(alphaD) / 255.0;
1302
1303     // Create a pattern with the gradient.
1304     cairo_pattern_t* gradient;
1305     gradient = cairo_pattern_create_linear (XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x+w), YLOG2DEV(y));
1306
1307     if (nDirection == wxWEST)
1308     {
1309         cairo_pattern_add_color_stop_rgba (gradient, 0.0, redDPS, greenDPS, blueDPS, alphaDPS);
1310         cairo_pattern_add_color_stop_rgba (gradient, 1.0, redIPS, greenIPS, blueIPS, alphaIPS);
1311     }
1312     else {
1313         cairo_pattern_add_color_stop_rgba (gradient, 0.0, redIPS, greenIPS, blueIPS, alphaIPS);
1314         cairo_pattern_add_color_stop_rgba (gradient, 1.0, redDPS, greenDPS, blueDPS, alphaDPS);
1315     }
1316
1317     // Fill the rectangle with this pattern.
1318     cairo_set_source(m_cairo, gradient);
1319     cairo_rectangle (m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(w), YLOG2DEVREL(h) );
1320     cairo_fill(m_cairo);
1321
1322     cairo_pattern_destroy(gradient);
1323
1324     CalcBoundingBox(x, y);
1325     CalcBoundingBox(x+w, y+h);
1326 }
1327
1328 bool wxGtkPrinterDCImpl::DoGetPixel(wxCoord WXUNUSED(x1),
1329                               wxCoord WXUNUSED(y1),
1330                               wxColour * WXUNUSED(col)) const
1331 {
1332     wxFAIL_MSG(_("not implemented"));
1333     return false;
1334 }
1335
1336 void wxGtkPrinterDCImpl::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
1337 {
1338     if ( m_pen.IsTransparent() )
1339         return;
1340
1341     SetPen( m_pen );
1342     cairo_move_to ( m_cairo, XLOG2DEV(x1), YLOG2DEV(y1) );
1343     cairo_line_to ( m_cairo, XLOG2DEV(x2), YLOG2DEV(y2) );
1344     cairo_stroke ( m_cairo );
1345
1346     CalcBoundingBox( x1, y1 );
1347     CalcBoundingBox( x2, y2 );
1348 }
1349
1350 void wxGtkPrinterDCImpl::DoCrossHair(wxCoord x, wxCoord y)
1351 {
1352     int w, h;
1353     DoGetSize(&w, &h);
1354
1355     SetPen(m_pen);
1356
1357     cairo_move_to (m_cairo, XLOG2DEV(x), 0);
1358     cairo_line_to (m_cairo, XLOG2DEV(x), YLOG2DEVREL(h));
1359     cairo_move_to (m_cairo, 0, YLOG2DEV(y));
1360     cairo_line_to (m_cairo, XLOG2DEVREL(w), YLOG2DEV(y));
1361
1362     cairo_stroke (m_cairo);
1363     CalcBoundingBox( 0, 0 );
1364     CalcBoundingBox( w, h );
1365 }
1366
1367 void wxGtkPrinterDCImpl::DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc)
1368 {
1369     double dx = x1 - xc;
1370     double dy = y1 - yc;
1371     double radius = sqrt((double)(dx*dx+dy*dy));
1372
1373     double alpha1, alpha2;
1374     if (x1 == x2 && y1 == y2)
1375     {
1376         alpha1 = 0.0;
1377         alpha2 = 360.0;
1378     }
1379     else
1380     if (radius == 0.0)
1381     {
1382         alpha1 = alpha2 = 0.0;
1383     }
1384     else
1385     {
1386         alpha1 = (x1 - xc == 0) ?
1387             (y1 - yc < 0) ? 90.0 : -90.0 :
1388             atan2(double(y1-yc), double(x1-xc)) * RAD2DEG;
1389         alpha2 = (x2 - xc == 0) ?
1390             (y2 - yc < 0) ? 90.0 : -90.0 :
1391             atan2(double(y2-yc), double(x2-xc)) * RAD2DEG;
1392
1393         while (alpha1 <= 0)   alpha1 += 360;
1394         while (alpha2 <= 0)   alpha2 += 360; // adjust angles to be between.
1395         while (alpha1 > 360)  alpha1 -= 360; // 0 and 360 degree.
1396         while (alpha2 > 360)  alpha2 -= 360;
1397     }
1398
1399     alpha1 *= DEG2RAD;
1400     alpha2 *= DEG2RAD;
1401
1402     cairo_new_path(m_cairo);
1403
1404     cairo_arc_negative ( m_cairo, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2);
1405     cairo_line_to(m_cairo, XLOG2DEV(xc), YLOG2DEV(yc));
1406     cairo_close_path (m_cairo);
1407
1408     SetBrush( m_brush );
1409     cairo_fill_preserve( m_cairo );
1410
1411     SetPen (m_pen);
1412     cairo_stroke( m_cairo );
1413
1414     CalcBoundingBox (x1, y1);
1415     CalcBoundingBox (xc, yc);
1416     CalcBoundingBox (x2, y2);
1417 }
1418
1419 void wxGtkPrinterDCImpl::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
1420 {
1421     cairo_save( m_cairo );
1422
1423     cairo_new_path(m_cairo);
1424
1425     cairo_translate( m_cairo, XLOG2DEV((wxCoord) (x + w / 2.)), XLOG2DEV((wxCoord) (y + h / 2.)) );
1426     double scale = (double)YLOG2DEVREL(h) / (double) XLOG2DEVREL(w);
1427     cairo_scale( m_cairo, 1.0, scale );
1428
1429     cairo_arc_negative ( m_cairo, 0, 0, XLOG2DEVREL(w/2), -sa*DEG2RAD, -ea*DEG2RAD);
1430
1431     SetPen (m_pen);
1432     cairo_stroke_preserve( m_cairo );
1433
1434     cairo_line_to(m_cairo, 0,0);
1435
1436     SetBrush( m_brush );
1437     cairo_fill( m_cairo );
1438
1439     cairo_restore( m_cairo );
1440
1441     CalcBoundingBox( x, y);
1442     CalcBoundingBox( x+w, y+h );
1443 }
1444
1445 void wxGtkPrinterDCImpl::DoDrawPoint(wxCoord x, wxCoord y)
1446 {
1447     if ( m_pen.IsTransparent() )
1448         return;
1449
1450     SetPen( m_pen );
1451
1452     cairo_move_to ( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1453     cairo_line_to ( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1454     cairo_stroke ( m_cairo );
1455
1456     CalcBoundingBox( x, y );
1457 }
1458
1459 void wxGtkPrinterDCImpl::DoDrawLines(int n, const wxPoint points[], wxCoord xoffset, wxCoord yoffset)
1460 {
1461     if ( m_pen.IsTransparent() )
1462         return;
1463
1464
1465     if (n <= 0) return;
1466
1467     SetPen (m_pen);
1468
1469     int i;
1470     for ( i =0; i<n ; i++ )
1471         CalcBoundingBox( points[i].x+xoffset, points[i].y+yoffset);
1472
1473     cairo_move_to ( m_cairo, XLOG2DEV(points[0].x+xoffset), YLOG2DEV(points[0].y+yoffset) );
1474
1475     for (i = 1; i < n; i++)
1476         cairo_line_to ( m_cairo, XLOG2DEV(points[i].x+xoffset), YLOG2DEV(points[i].y+yoffset) );
1477
1478     cairo_stroke ( m_cairo);
1479 }
1480
1481 void wxGtkPrinterDCImpl::DoDrawPolygon(int n, const wxPoint points[],
1482                                        wxCoord xoffset, wxCoord yoffset,
1483                                        wxPolygonFillMode fillStyle)
1484 {
1485     if (n==0) return;
1486
1487     cairo_save(m_cairo);
1488     if (fillStyle == wxWINDING_RULE)
1489         cairo_set_fill_rule( m_cairo, CAIRO_FILL_RULE_WINDING);
1490     else
1491         cairo_set_fill_rule( m_cairo, CAIRO_FILL_RULE_EVEN_ODD);
1492
1493     int x = points[0].x + xoffset;
1494     int y = points[0].y + yoffset;
1495     cairo_new_path(m_cairo);
1496     cairo_move_to( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1497     int i;
1498     for (i = 1; i < n; i++)
1499     {
1500         int xx = points[i].x + xoffset;
1501         int yy = points[i].y + yoffset;
1502         cairo_line_to( m_cairo, XLOG2DEV(xx), YLOG2DEV(yy) );
1503     }
1504     cairo_close_path(m_cairo);
1505
1506     SetBrush( m_brush );
1507     cairo_fill_preserve( m_cairo );
1508
1509     SetPen (m_pen);
1510     cairo_stroke( m_cairo );
1511
1512     CalcBoundingBox( x, y );
1513
1514     cairo_restore(m_cairo);
1515 }
1516
1517 void wxGtkPrinterDCImpl::DoDrawPolyPolygon(int n, const int count[], const wxPoint points[],
1518                                            wxCoord xoffset, wxCoord yoffset,
1519                                            wxPolygonFillMode fillStyle)
1520 {
1521     wxDCImpl::DoDrawPolyPolygon( n, count, points, xoffset, yoffset, fillStyle );
1522 }
1523
1524 void wxGtkPrinterDCImpl::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1525 {
1526     width--;
1527     height--;
1528
1529     cairo_new_path(m_cairo);
1530     cairo_rectangle ( m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(width), YLOG2DEVREL(height));
1531
1532     SetBrush( m_brush );
1533     cairo_fill_preserve( m_cairo );
1534
1535     SetPen (m_pen);
1536     cairo_stroke( m_cairo );
1537
1538     CalcBoundingBox( x, y );
1539     CalcBoundingBox( x + width, y + height );
1540 }
1541
1542 void wxGtkPrinterDCImpl::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
1543 {
1544     width--;
1545     height--;
1546
1547     if (radius < 0.0) radius = - radius * ((width < height) ? width : height);
1548
1549     wxCoord dd = 2 * (wxCoord) radius;
1550     if (dd > width) dd = width;
1551     if (dd > height) dd = height;
1552     radius = dd / 2;
1553
1554     wxCoord rad = (wxCoord) radius;
1555
1556     cairo_new_path(m_cairo);
1557     cairo_move_to(m_cairo,XLOG2DEV(x + rad),YLOG2DEV(y));
1558     cairo_curve_to(m_cairo,
1559                                 XLOG2DEV(x + rad),YLOG2DEV(y),
1560                                 XLOG2DEV(x),YLOG2DEV(y),
1561                                 XLOG2DEV(x),YLOG2DEV(y + rad));
1562     cairo_line_to(m_cairo,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1563     cairo_curve_to(m_cairo,
1564                                 XLOG2DEV(x),YLOG2DEV(y + height - rad),
1565                                 XLOG2DEV(x),YLOG2DEV(y + height),
1566                                 XLOG2DEV(x + rad),YLOG2DEV(y + height));
1567     cairo_line_to(m_cairo,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1568     cairo_curve_to(m_cairo,
1569                                 XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1570                                 XLOG2DEV(x + width),YLOG2DEV(y + height),
1571                                 XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1572     cairo_line_to(m_cairo,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1573     cairo_curve_to(m_cairo,
1574                                 XLOG2DEV(x + width),YLOG2DEV(y + rad),
1575                                 XLOG2DEV(x + width),YLOG2DEV(y),
1576                                 XLOG2DEV(x + width - rad),YLOG2DEV(y));
1577     cairo_line_to(m_cairo,XLOG2DEV(x + rad),YLOG2DEV(y));
1578     cairo_close_path(m_cairo);
1579
1580     SetBrush(m_brush);
1581     cairo_fill_preserve(m_cairo);
1582
1583     SetPen(m_pen);
1584     cairo_stroke(m_cairo);
1585
1586     CalcBoundingBox(x,y);
1587     CalcBoundingBox(x+width,y+height);
1588 }
1589
1590 void wxGtkPrinterDCImpl::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1591 {
1592     width--;
1593     height--;
1594
1595     cairo_save (m_cairo);
1596
1597     cairo_new_path(m_cairo);
1598
1599     cairo_translate (m_cairo, XLOG2DEV((wxCoord) (x + width / 2.)), YLOG2DEV((wxCoord) (y + height / 2.)));
1600     cairo_scale(m_cairo, 1, (double)YLOG2DEVREL(height)/(double)XLOG2DEVREL(width));
1601     cairo_arc ( m_cairo, 0, 0, XLOG2DEVREL(width/2), 0, 2 * M_PI);
1602
1603     SetBrush( m_brush );
1604     cairo_fill_preserve( m_cairo );
1605
1606     SetPen (m_pen);
1607     cairo_stroke( m_cairo );
1608
1609     CalcBoundingBox( x, y );
1610     CalcBoundingBox( x + width, y + height );
1611
1612     cairo_restore (m_cairo);
1613 }
1614
1615 #if wxUSE_SPLINES
1616 void wxGtkPrinterDCImpl::DoDrawSpline(const wxPointList *points)
1617 {
1618     SetPen (m_pen);
1619
1620     double c, d, x1, y1, x2, y2, x3, y3;
1621     wxPoint *p, *q;
1622
1623     wxPointList::compatibility_iterator node = points->GetFirst();
1624     p = node->GetData();
1625     x1 = p->x;
1626     y1 = p->y;
1627
1628     node = node->GetNext();
1629     p = node->GetData();
1630     c = p->x;
1631     d = p->y;
1632     x3 =
1633          (double)(x1 + c) / 2;
1634     y3 =
1635          (double)(y1 + d) / 2;
1636
1637     cairo_new_path( m_cairo );
1638     cairo_move_to( m_cairo, XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1) );
1639     cairo_line_to( m_cairo, XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1640
1641     CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1642     CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1643
1644     node = node->GetNext();
1645     while (node)
1646     {
1647         q = node->GetData();
1648
1649         x1 = x3;
1650         y1 = y3;
1651         x2 = c;
1652         y2 = d;
1653         c = q->x;
1654         d = q->y;
1655         x3 = (double)(x2 + c) / 2;
1656         y3 = (double)(y2 + d) / 2;
1657
1658         cairo_curve_to(m_cairo,
1659             XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1),
1660             XLOG2DEV((wxCoord)x2), YLOG2DEV((wxCoord)y2),
1661             XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1662
1663         CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1664         CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1665
1666         node = node->GetNext();
1667     }
1668
1669     cairo_line_to ( m_cairo, XLOG2DEV((wxCoord)c), YLOG2DEV((wxCoord)d) );
1670
1671     cairo_stroke( m_cairo );
1672 }
1673 #endif // wxUSE_SPLINES
1674
1675 bool wxGtkPrinterDCImpl::DoBlit(wxCoord xdest, wxCoord ydest,
1676                           wxCoord width, wxCoord height,
1677                           wxDC *source, wxCoord xsrc, wxCoord ysrc,
1678                           wxRasterOperationMode rop, bool useMask,
1679                           wxCoord WXUNUSED_UNLESS_DEBUG(xsrcMask),
1680                           wxCoord WXUNUSED_UNLESS_DEBUG(ysrcMask))
1681 {
1682     wxASSERT_MSG( xsrcMask == wxDefaultCoord && ysrcMask == wxDefaultCoord,
1683                   wxT("mask coordinates are not supported") );
1684
1685     wxCHECK_MSG( source, false, wxT("invalid source dc") );
1686
1687     // Blit into a bitmap.
1688     wxBitmap bitmap( width, height );
1689     wxMemoryDC memDC;
1690     memDC.SelectObject(bitmap);
1691     memDC.Blit(0, 0, width, height, source, xsrc, ysrc, rop);
1692     memDC.SelectObject(wxNullBitmap);
1693
1694     // Draw bitmap. scaling and positioning is done there.
1695     GetOwner()->DrawBitmap( bitmap, xdest, ydest, useMask );
1696
1697     return true;
1698 }
1699
1700 void wxGtkPrinterDCImpl::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y )
1701 {
1702     DoDrawBitmap( icon, x, y, true );
1703 }
1704
1705 void wxGtkPrinterDCImpl::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask )
1706 {
1707     wxCHECK_RET( bitmap.IsOk(), wxT("Invalid bitmap in wxGtkPrinterDCImpl::DoDrawBitmap"));
1708
1709     x = wxCoord(XLOG2DEV(x));
1710     y = wxCoord(YLOG2DEV(y));
1711     int bw = bitmap.GetWidth();
1712     int bh = bitmap.GetHeight();
1713 #ifndef __WXGTK3__
1714     wxBitmap bmpSource = bitmap;  // we need a non-const instance.
1715     if (!useMask && !bitmap.HasPixbuf() && bitmap.GetMask())
1716         bmpSource.SetMask(NULL);
1717 #endif
1718
1719     cairo_save(m_cairo);
1720
1721     // Prepare to draw the image.
1722     cairo_translate(m_cairo, x, y);
1723
1724     // Scale the image
1725     wxDouble scaleX = (wxDouble) XLOG2DEVREL(bw) / (wxDouble) bw;
1726     wxDouble scaleY = (wxDouble) YLOG2DEVREL(bh) / (wxDouble) bh;
1727     cairo_scale(m_cairo, scaleX, scaleY);
1728
1729 #ifdef __WXGTK3__
1730     bitmap.Draw(m_cairo, 0, 0, useMask, &m_textForegroundColour, &m_textBackgroundColour);
1731 #else
1732     gdk_cairo_set_source_pixbuf(m_cairo, bmpSource.GetPixbuf(), 0, 0);
1733     cairo_pattern_set_filter(cairo_get_source(m_cairo), CAIRO_FILTER_NEAREST);
1734     // Use the original size here since the context is scaled already.
1735     cairo_rectangle(m_cairo, 0, 0, bw, bh);
1736     // Fill the rectangle using the pattern.
1737     cairo_fill(m_cairo);
1738 #endif
1739
1740     CalcBoundingBox(0,0);
1741     CalcBoundingBox(bw,bh);
1742
1743     cairo_restore(m_cairo);
1744 }
1745
1746 void wxGtkPrinterDCImpl::DoDrawText(const wxString& text, wxCoord x, wxCoord y )
1747 {
1748     DoDrawRotatedText( text, x, y, 0.0 );
1749 }
1750
1751 void wxGtkPrinterDCImpl::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
1752 {
1753     double xx = XLOG2DEV(x);
1754     double yy = YLOG2DEV(y);
1755
1756     angle = -angle;
1757
1758     const wxScopedCharBuffer data = text.utf8_str();
1759
1760     pango_layout_set_text(m_layout, data, data.length());
1761
1762     const bool setAttrs = m_font.GTKSetPangoAttrs(m_layout);
1763     if (m_textForegroundColour.IsOk())
1764     {
1765         unsigned char red = m_textForegroundColour.Red();
1766         unsigned char blue = m_textForegroundColour.Blue();
1767         unsigned char green = m_textForegroundColour.Green();
1768         unsigned char alpha = m_textForegroundColour.Alpha();
1769
1770         if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue && alpha == m_currentAlpha))
1771         {
1772             double redPS = (double)(red) / 255.0;
1773             double bluePS = (double)(blue) / 255.0;
1774             double greenPS = (double)(green) / 255.0;
1775             double alphaPS = (double)(alpha) / 255.0;
1776
1777             cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1778
1779             m_currentRed = red;
1780             m_currentBlue = blue;
1781             m_currentGreen = green;
1782             m_currentAlpha = alpha;
1783         }
1784     }
1785
1786     // Draw layout.
1787     cairo_move_to (m_cairo, xx, yy);
1788
1789     cairo_save( m_cairo );
1790
1791     if (fabs(angle) > 0.00001)
1792         cairo_rotate( m_cairo, angle*DEG2RAD );
1793
1794     cairo_scale(m_cairo, m_scaleX, m_scaleY);
1795
1796     int w,h;
1797     pango_layout_get_pixel_size( m_layout, &w, &h );
1798
1799     if ( m_backgroundMode == wxBRUSHSTYLE_SOLID )
1800     {
1801         unsigned char red = m_textBackgroundColour.Red();
1802         unsigned char blue = m_textBackgroundColour.Blue();
1803         unsigned char green = m_textBackgroundColour.Green();
1804         unsigned char alpha = m_textBackgroundColour.Alpha();
1805
1806         double redPS = (double)(red) / 255.0;
1807         double bluePS = (double)(blue) / 255.0;
1808         double greenPS = (double)(green) / 255.0;
1809         double alphaPS = (double)(alpha) / 255.0;
1810
1811         cairo_save(m_cairo);
1812         cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1813         cairo_rectangle(m_cairo, 0, 0, w, h);   // still in cairo units
1814         cairo_fill(m_cairo);
1815         cairo_restore(m_cairo);
1816     }
1817
1818     pango_cairo_update_layout (m_cairo, m_layout);
1819     pango_cairo_show_layout (m_cairo, m_layout);
1820
1821     cairo_restore( m_cairo );
1822
1823     if (setAttrs)
1824     {
1825         // Undo underline attributes setting
1826         pango_layout_set_attributes(m_layout, NULL);
1827     }
1828
1829     // Back to device units:
1830     CalcBoundingBox (x, y);
1831     CalcBoundingBox (x + w, y + h);
1832 }
1833
1834 void wxGtkPrinterDCImpl::Clear()
1835 {
1836 // Clear does nothing for printing, but keep the code
1837 // for later reuse
1838 /*
1839     cairo_save(m_cairo);
1840     cairo_set_operator (m_cairo, CAIRO_OPERATOR_SOURCE);
1841     SetBrush(m_backgroundBrush);
1842     cairo_paint(m_cairo);
1843     cairo_restore(m_cairo);
1844 */
1845 }
1846
1847 void wxGtkPrinterDCImpl::SetFont( const wxFont& font )
1848 {
1849     m_font = font;
1850
1851     if (m_font.IsOk())
1852     {
1853         if (m_fontdesc)
1854             pango_font_description_free( m_fontdesc );
1855
1856         m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description );
1857
1858         float size = pango_font_description_get_size( m_fontdesc );
1859         size = size * GetFontPointSizeAdjustment(72.0);
1860         pango_font_description_set_size( m_fontdesc, (gint)size );
1861
1862         pango_layout_set_font_description( m_layout, m_fontdesc );
1863     }
1864 }
1865
1866 void wxGtkPrinterDCImpl::SetPen( const wxPen& pen )
1867 {
1868     if (!pen.IsOk()) return;
1869
1870     m_pen = pen;
1871
1872     double width;
1873
1874     if (m_pen.GetWidth() <= 0)
1875         width = 0.1;
1876     else
1877         width = (double) m_pen.GetWidth();
1878
1879     cairo_set_line_width( m_cairo, width * m_DEV2PS * m_scaleX );
1880     static const double dotted[] = {2.0, 5.0};
1881     static const double short_dashed[] = {4.0, 4.0};
1882     static const double long_dashed[] = {4.0, 8.0};
1883     static const double dotted_dashed[] = {6.0, 6.0, 2.0, 6.0};
1884
1885     switch (m_pen.GetStyle())
1886     {
1887         case wxPENSTYLE_DOT:        cairo_set_dash( m_cairo, dotted, 2, 0 ); break;
1888         case wxPENSTYLE_SHORT_DASH: cairo_set_dash( m_cairo, short_dashed, 2, 0 ); break;
1889         case wxPENSTYLE_LONG_DASH:  cairo_set_dash( m_cairo, long_dashed, 2, 0 ); break;
1890         case wxPENSTYLE_DOT_DASH:   cairo_set_dash( m_cairo, dotted_dashed, 4, 0 );  break;
1891         case wxPENSTYLE_USER_DASH:
1892         {
1893             wxDash *wx_dashes;
1894             int num = m_pen.GetDashes (&wx_dashes);
1895             gdouble *g_dashes = g_new( gdouble, num );
1896             int i;
1897             for (i = 0; i < num; ++i)
1898                 g_dashes[i] = (gdouble) wx_dashes[i];
1899             cairo_set_dash( m_cairo, g_dashes, num, 0);
1900             g_free( g_dashes );
1901         }
1902         break;
1903         case wxPENSTYLE_SOLID:
1904         case wxPENSTYLE_TRANSPARENT:
1905         default:              cairo_set_dash( m_cairo, NULL, 0, 0 );   break;
1906     }
1907
1908     switch (m_pen.GetCap())
1909     {
1910         case wxCAP_PROJECTING:  cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_SQUARE); break;
1911         case wxCAP_BUTT:        cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_BUTT); break;
1912         case wxCAP_ROUND:
1913         default:                cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_ROUND); break;
1914     }
1915
1916     switch (m_pen.GetJoin())
1917     {
1918         case wxJOIN_BEVEL:  cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_BEVEL); break;
1919         case wxJOIN_MITER:  cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_MITER); break;
1920         case wxJOIN_ROUND:
1921         default:            cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_ROUND); break;
1922     }
1923
1924     unsigned char red = m_pen.GetColour().Red();
1925     unsigned char blue = m_pen.GetColour().Blue();
1926     unsigned char green = m_pen.GetColour().Green();
1927     unsigned char alpha = m_pen.GetColour().Alpha();
1928
1929     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue && alpha == m_currentAlpha))
1930     {
1931         double redPS = (double)(red) / 255.0;
1932         double bluePS = (double)(blue) / 255.0;
1933         double greenPS = (double)(green) / 255.0;
1934         double alphaPS = (double)(alpha) / 255.0;
1935
1936         cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1937
1938         m_currentRed = red;
1939         m_currentBlue = blue;
1940         m_currentGreen = green;
1941         m_currentAlpha = alpha;
1942     }
1943 }
1944
1945 void wxGtkPrinterDCImpl::SetBrush( const wxBrush& brush )
1946 {
1947     if (!brush.IsOk()) return;
1948
1949     m_brush = brush;
1950
1951     if (m_brush.GetStyle() == wxBRUSHSTYLE_TRANSPARENT)
1952     {
1953         cairo_set_source_rgba( m_cairo, 0, 0, 0, 0 );
1954         m_currentRed = 0;
1955         m_currentBlue = 0;
1956         m_currentGreen = 0;
1957         m_currentAlpha = 0;
1958         return;
1959     }
1960
1961     // Brush colour.
1962     unsigned char red = m_brush.GetColour().Red();
1963     unsigned char blue = m_brush.GetColour().Blue();
1964     unsigned char green = m_brush.GetColour().Green();
1965     unsigned char alpha = m_brush.GetColour().Alpha();
1966
1967     double redPS = (double)(red) / 255.0;
1968     double bluePS = (double)(blue) / 255.0;
1969     double greenPS = (double)(green) / 255.0;
1970     double alphaPS = (double)(alpha) / 255.0;
1971
1972     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue && alpha == m_currentAlpha))
1973     {
1974         cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1975
1976         m_currentRed = red;
1977         m_currentBlue = blue;
1978         m_currentGreen = green;
1979         m_currentAlpha = alpha;
1980     }
1981
1982     if (m_brush.IsHatch())
1983     {
1984         cairo_t * cr;
1985         cairo_surface_t *surface;
1986         surface = cairo_surface_create_similar(cairo_get_target(m_cairo),CAIRO_CONTENT_COLOR_ALPHA,10,10);
1987         cr = cairo_create(surface);
1988         cairo_set_line_cap(cr, CAIRO_LINE_CAP_SQUARE);
1989         cairo_set_line_width(cr, 1);
1990         cairo_set_line_join(cr,CAIRO_LINE_JOIN_MITER);
1991
1992         switch (m_brush.GetStyle())
1993         {
1994             case wxBRUSHSTYLE_CROSS_HATCH:
1995                 cairo_move_to(cr, 5, 0);
1996                 cairo_line_to(cr, 5, 10);
1997                 cairo_move_to(cr, 0, 5);
1998                 cairo_line_to(cr, 10, 5);
1999                 break;
2000             case wxBRUSHSTYLE_BDIAGONAL_HATCH:
2001                 cairo_move_to(cr, 0, 10);
2002                 cairo_line_to(cr, 10, 0);
2003                 break;
2004             case wxBRUSHSTYLE_FDIAGONAL_HATCH:
2005                 cairo_move_to(cr, 0, 0);
2006                 cairo_line_to(cr, 10, 10);
2007                 break;
2008             case wxBRUSHSTYLE_CROSSDIAG_HATCH:
2009                 cairo_move_to(cr, 0, 0);
2010                 cairo_line_to(cr, 10, 10);
2011                 cairo_move_to(cr, 10, 0);
2012                 cairo_line_to(cr, 0, 10);
2013                 break;
2014             case wxBRUSHSTYLE_HORIZONTAL_HATCH:
2015                 cairo_move_to(cr, 0, 5);
2016                 cairo_line_to(cr, 10, 5);
2017                 break;
2018             case wxBRUSHSTYLE_VERTICAL_HATCH:
2019                 cairo_move_to(cr, 5, 0);
2020                 cairo_line_to(cr, 5, 10);
2021                 break;
2022             default:
2023                 wxFAIL_MSG(_("Couldn't get hatch style from wxBrush."));
2024         }
2025
2026         cairo_set_source_rgba(cr, redPS, greenPS, bluePS, alphaPS);
2027         cairo_stroke (cr);
2028
2029         cairo_destroy(cr);
2030         cairo_pattern_t * pattern = cairo_pattern_create_for_surface (surface);
2031         cairo_surface_destroy(surface);
2032         cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT);
2033         cairo_set_source(m_cairo, pattern);
2034         cairo_pattern_destroy(pattern);
2035     }
2036 }
2037
2038 void wxGtkPrinterDCImpl::SetLogicalFunction( wxRasterOperationMode function )
2039 {
2040     if (function == wxCLEAR)
2041         cairo_set_operator (m_cairo, CAIRO_OPERATOR_CLEAR);
2042     else if (function == wxOR)
2043         cairo_set_operator (m_cairo, CAIRO_OPERATOR_OUT);
2044     else if (function == wxNO_OP)
2045         cairo_set_operator (m_cairo, CAIRO_OPERATOR_DEST);
2046     else if (function == wxAND)
2047         cairo_set_operator (m_cairo, CAIRO_OPERATOR_ADD);
2048     else if (function == wxSET)
2049         cairo_set_operator (m_cairo, CAIRO_OPERATOR_SATURATE);
2050     else if (function == wxXOR)
2051         cairo_set_operator (m_cairo, CAIRO_OPERATOR_XOR);
2052     else // wxCOPY or anything else.
2053         cairo_set_operator (m_cairo, CAIRO_OPERATOR_SOURCE);
2054 }
2055
2056 void wxGtkPrinterDCImpl::SetBackground( const wxBrush& brush )
2057 {
2058     m_backgroundBrush = brush;
2059     cairo_save(m_cairo);
2060     cairo_set_operator (m_cairo, CAIRO_OPERATOR_DEST_OVER);
2061
2062     SetBrush(m_backgroundBrush);
2063     cairo_paint(m_cairo);
2064     cairo_restore(m_cairo);
2065 }
2066
2067 void wxGtkPrinterDCImpl::SetBackgroundMode(int mode)
2068 {
2069     if (mode == wxBRUSHSTYLE_SOLID)
2070         m_backgroundMode = wxBRUSHSTYLE_SOLID;
2071     else
2072         m_backgroundMode = wxBRUSHSTYLE_TRANSPARENT;
2073 }
2074
2075 void wxGtkPrinterDCImpl::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
2076 {
2077     cairo_rectangle ( m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(width), YLOG2DEVREL(height));
2078     cairo_clip(m_cairo);
2079
2080     wxDCImpl::DoSetClippingRegion(x, y, width, height);
2081 }
2082
2083 void wxGtkPrinterDCImpl::DestroyClippingRegion()
2084 {
2085     cairo_reset_clip(m_cairo);
2086 }
2087
2088 bool wxGtkPrinterDCImpl::StartDoc(const wxString& WXUNUSED(message))
2089 {
2090     return true;
2091 }
2092
2093 void wxGtkPrinterDCImpl::EndDoc()
2094 {
2095     return;
2096 }
2097
2098 void wxGtkPrinterDCImpl::StartPage()
2099 {
2100     // Notice that we may change the Cairo transformation matrix only here and
2101     // not before (e.g. in wxGtkPrinterDCImpl ctor as we used to do) in order
2102     // to not affect _gtk_print_context_rotate_according_to_orientation() which
2103     // is used in GTK+ itself and wouldn't work correctly if we applied these
2104     // transformations before it is called.
2105
2106     // By default the origin of the Cairo context is in the upper left
2107     // corner of the printable area. We need to translate it so that it
2108     // is in the upper left corner of the paper (without margins)
2109     GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc );
2110     gdouble ml, mt;
2111     ml = gtk_page_setup_get_left_margin (setup, GTK_UNIT_POINTS);
2112     mt = gtk_page_setup_get_top_margin (setup, GTK_UNIT_POINTS);
2113     cairo_translate(m_cairo, -ml, -mt);
2114
2115 #if wxCAIRO_SCALE
2116     cairo_scale( m_cairo, 72.0 / (double)m_resolution, 72.0 / (double)m_resolution );
2117 #endif
2118 }
2119
2120 void wxGtkPrinterDCImpl::EndPage()
2121 {
2122     return;
2123 }
2124
2125 wxCoord wxGtkPrinterDCImpl::GetCharHeight() const
2126 {
2127     pango_layout_set_text( m_layout, "H", 1 );
2128
2129     int w,h;
2130     pango_layout_get_pixel_size( m_layout, &w, &h );
2131
2132     return wxRound( h * m_PS2DEV );
2133 }
2134
2135 wxCoord wxGtkPrinterDCImpl::GetCharWidth() const
2136 {
2137     pango_layout_set_text( m_layout, "H", 1 );
2138
2139     int w,h;
2140     pango_layout_get_pixel_size( m_layout, &w, &h );
2141
2142     return wxRound( w * m_PS2DEV );
2143 }
2144
2145 void wxGtkPrinterDCImpl::DoGetTextExtent(const wxString& string, wxCoord *width, wxCoord *height,
2146                      wxCoord *descent,
2147                      wxCoord *externalLeading,
2148                      const wxFont *theFont ) const
2149 {
2150     if ( width )
2151         *width = 0;
2152     if ( height )
2153         *height = 0;
2154     if ( descent )
2155         *descent = 0;
2156     if ( externalLeading )
2157         *externalLeading = 0;
2158
2159     if (string.empty())
2160     {
2161         return;
2162     }
2163
2164     cairo_save( m_cairo );
2165     cairo_scale(m_cairo, m_scaleX, m_scaleY);
2166
2167     // Set layout's text
2168     const wxScopedCharBuffer dataUTF8 = string.utf8_str();
2169
2170     gint oldSize=0;
2171     if ( theFont )
2172     {
2173         // scale the font and apply it
2174         PangoFontDescription *desc = theFont->GetNativeFontInfo()->description;
2175         oldSize = pango_font_description_get_size(desc);
2176         const float size = oldSize * GetFontPointSizeAdjustment(72.0);
2177         pango_font_description_set_size(desc, (gint)size);
2178
2179         pango_layout_set_font_description(m_layout, desc);
2180     }
2181
2182     pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
2183
2184     int h;
2185     pango_layout_get_pixel_size( m_layout, width, &h );
2186     if ( height )
2187         *height = h;
2188
2189     if (descent)
2190     {
2191         PangoLayoutIter *iter = pango_layout_get_iter(m_layout);
2192         int baseline = pango_layout_iter_get_baseline(iter);
2193         pango_layout_iter_free(iter);
2194         *descent = h - PANGO_PIXELS(baseline);
2195     }
2196
2197     if ( theFont )
2198     {
2199         // restore font and reset font's size back
2200         pango_layout_set_font_description(m_layout, m_fontdesc);
2201
2202         PangoFontDescription *desc = theFont->GetNativeFontInfo()->description;
2203         pango_font_description_set_size(desc, oldSize);
2204     }
2205
2206     cairo_restore( m_cairo );
2207 }
2208
2209 void wxGtkPrinterDCImpl::DoGetSize(int* width, int* height) const
2210 {
2211     GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc );
2212
2213     if (width)
2214         *width = wxRound( (double)gtk_page_setup_get_paper_width( setup, GTK_UNIT_POINTS ) * (double)m_resolution / 72.0 );
2215     if (height)
2216         *height = wxRound( (double)gtk_page_setup_get_paper_height( setup, GTK_UNIT_POINTS ) * (double)m_resolution / 72.0 );
2217 }
2218
2219 void wxGtkPrinterDCImpl::DoGetSizeMM(int *width, int *height) const
2220 {
2221     GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc );
2222
2223     if (width)
2224         *width = wxRound( gtk_page_setup_get_paper_width( setup, GTK_UNIT_MM ) );
2225     if (height)
2226         *height = wxRound( gtk_page_setup_get_paper_height( setup, GTK_UNIT_MM ) );
2227 }
2228
2229 wxSize wxGtkPrinterDCImpl::GetPPI() const
2230 {
2231     return wxSize( (int)m_resolution, (int)m_resolution );
2232 }
2233
2234 void wxGtkPrinterDCImpl::SetPrintData(const wxPrintData& data)
2235 {
2236     m_printData = data;
2237 }
2238
2239 // overridden for wxPrinterDC Impl
2240
2241 wxRect wxGtkPrinterDCImpl::GetPaperRect() const
2242 {
2243     // Does GtkPrint support printer margins?
2244     int w = 0;
2245     int h = 0;
2246     DoGetSize( &w, &h );
2247     return wxRect( 0,0,w,h );
2248 }
2249
2250 int wxGtkPrinterDCImpl::GetResolution() const
2251 {
2252     return m_resolution;
2253 }
2254
2255 // ----------------------------------------------------------------------------
2256 // Print preview
2257 // ----------------------------------------------------------------------------
2258
2259 IMPLEMENT_CLASS(wxGtkPrintPreview, wxPrintPreviewBase)
2260
2261 void wxGtkPrintPreview::Init(wxPrintout * WXUNUSED(printout),
2262                              wxPrintout * WXUNUSED(printoutForPrinting),
2263                              wxPrintData *data)
2264 {
2265     // convert wxPrintQuality to resolution (input pointer can be NULL)
2266     wxPrintQuality quality = data ? data->GetQuality() : wxPRINT_QUALITY_MEDIUM;
2267     switch ( quality )
2268     {
2269         case wxPRINT_QUALITY_HIGH:
2270             m_resolution = 1200;
2271             break;
2272
2273         case wxPRINT_QUALITY_LOW:
2274             m_resolution = 300;
2275             break;
2276
2277         case wxPRINT_QUALITY_DRAFT:
2278             m_resolution = 150;
2279             break;
2280
2281         default:
2282             if ( quality > 0 )
2283             {
2284                 // positive values directly indicate print resolution
2285                 m_resolution = quality;
2286                 break;
2287             }
2288
2289             wxFAIL_MSG( "unknown print quality" );
2290             // fall through
2291
2292         case wxPRINT_QUALITY_MEDIUM:
2293             m_resolution = 600;
2294             break;
2295
2296     }
2297
2298     DetermineScaling();
2299 }
2300
2301 wxGtkPrintPreview::wxGtkPrintPreview(wxPrintout *printout,
2302                                      wxPrintout *printoutForPrinting,
2303                                      wxPrintDialogData *data)
2304                  : wxPrintPreviewBase(printout, printoutForPrinting, data)
2305 {
2306     Init(printout, printoutForPrinting, data ? &data->GetPrintData() : NULL);
2307 }
2308
2309 wxGtkPrintPreview::wxGtkPrintPreview(wxPrintout *printout,
2310                                      wxPrintout *printoutForPrinting,
2311                                      wxPrintData *data)
2312                  : wxPrintPreviewBase(printout, printoutForPrinting, data)
2313 {
2314     Init(printout, printoutForPrinting, data);
2315 }
2316
2317 wxGtkPrintPreview::~wxGtkPrintPreview()
2318 {
2319 }
2320
2321 bool wxGtkPrintPreview::Print(bool interactive)
2322 {
2323     if (!m_printPrintout)
2324         return false;
2325
2326     wxPrinter printer(& m_printDialogData);
2327     return printer.Print(m_previewFrame, m_printPrintout, interactive);
2328 }
2329
2330 void wxGtkPrintPreview::DetermineScaling()
2331 {
2332     wxPaperSize paperType = m_printDialogData.GetPrintData().GetPaperId();
2333
2334     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType);
2335     if (!paper)
2336         paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
2337
2338     if (paper)
2339     {
2340         const wxSize screenPPI = wxGetDisplayPPI();
2341         int logPPIScreenX = screenPPI.GetWidth();
2342         int logPPIScreenY = screenPPI.GetHeight();
2343         int logPPIPrinterX = m_resolution;
2344         int logPPIPrinterY = m_resolution;
2345
2346         m_previewPrintout->SetPPIScreen( logPPIScreenX, logPPIScreenY );
2347         m_previewPrintout->SetPPIPrinter( logPPIPrinterX, logPPIPrinterY );
2348
2349         // Get width and height in points (1/72th of an inch)
2350         wxSize sizeDevUnits(paper->GetSizeDeviceUnits());
2351         sizeDevUnits.x = wxRound((double)sizeDevUnits.x * (double)m_resolution / 72.0);
2352         sizeDevUnits.y = wxRound((double)sizeDevUnits.y * (double)m_resolution / 72.0);
2353
2354         wxSize sizeTenthsMM(paper->GetSize());
2355         wxSize sizeMM(sizeTenthsMM.x / 10, sizeTenthsMM.y / 10);
2356
2357         // If in landscape mode, we need to swap the width and height.
2358         if ( m_printDialogData.GetPrintData().GetOrientation() == wxLANDSCAPE )
2359         {
2360             m_pageWidth = sizeDevUnits.y;
2361             m_pageHeight = sizeDevUnits.x;
2362             m_previewPrintout->SetPageSizeMM(sizeMM.y, sizeMM.x);
2363         }
2364         else
2365         {
2366             m_pageWidth = sizeDevUnits.x;
2367             m_pageHeight = sizeDevUnits.y;
2368             m_previewPrintout->SetPageSizeMM(sizeMM.x, sizeMM.y);
2369         }
2370         m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
2371         m_previewPrintout->SetPaperRectPixels(wxRect(0, 0, m_pageWidth, m_pageHeight));
2372
2373         // At 100%, the page should look about page-size on the screen.
2374         m_previewScaleX = float(logPPIScreenX) / logPPIPrinterX;
2375         m_previewScaleY = float(logPPIScreenY) / logPPIPrinterY;
2376     }
2377 }
2378
2379 #endif
2380      // wxUSE_GTKPRINT