src/gtk/print.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/gtk/print.cpp
   3 // Author:      Anthony Bretaudeau
   4 // Purpose:     GTK printing support
   5 // Created:     2007-08-25
   6 // RCS-ID:      $Id: print.cpp,v 1 2007-08-25 05:44:44 PC Exp $
   7 // Copyright:   (c) 2007 wxWidgets development team
   8 // Licence:     wxWindows Licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx/wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15 #pragma hdrstop
  16 #endif
  17
  18 #if wxUSE_GTKPRINT
  19
  20 #include "wx/gtk/print.h"
  21
  22 #ifndef WX_PRECOMP
  23 #include "wx/log.h"
  24 #include "wx/dcmemory.h"
  25 #include "wx/icon.h"
  26 #include "wx/math.h"
  27 #include "wx/image.h"
  28 #include "wx/module.h"
  29 #include "wx/crt.h"
  30 #endif
  31
  32 #include "wx/fontutil.h"
  33 #include "wx/gtk/private.h"
  34 #include "wx/dynlib.h"
  35 #include "wx/paper.h"
  36 #include "wx/rawbmp.h"
  37
  38 #include <gtk/gtk.h>
  39 #include <gtk/gtkpagesetupunixdialog.h>
  40
  41 #include "wx/link.h"
  42 wxFORCE_LINK_THIS_MODULE(gtk_print)
  43
  44 #if wxUSE_LIBGNOMEPRINT
  45 #include "wx/gtk/gnome/gprint.h"
  46 #endif
  47
  48 // Usefull to convert angles from/to Rad to/from Deg.
  49 static const double RAD2DEG  = 180.0 / M_PI;
  50 static const double DEG2RAD  = M_PI / 180.0;
  51
  52 static wxCairoLibrary* gs_cairo = NULL;
  53
  54 //----------------------------------------------------------------------------
  55 // wxGtkPrintModule
  56 // Initialized when starting the app : if it successfully load the gtk-print framework,
  57 // it uses it. If not, it falls back to gnome print (see /gtk/gnome/gprint.cpp) then
  58 // to postscript if gnomeprint is not available.
  59 //----------------------------------------------------------------------------
  60
  61 class wxGtkPrintModule: public wxModule
  62 {
  63 public:
  64     wxGtkPrintModule()
  65     {
  66 #if wxUSE_LIBGNOMEPRINT
  67         // This module must be initialized AFTER gnomeprint's one
  68         AddDependency(CLASSINFO(wxGnomePrintModule));
  69 #endif
  70     }
  71     bool OnInit();
  72     void OnExit();
  73
  74 private:
  75     DECLARE_DYNAMIC_CLASS(wxGtkPrintModule)
  76 };
  77
  78 bool wxGtkPrintModule::OnInit()
  79 {
  80     gs_cairo = wxCairoLibrary::Get();
  81     if (gs_cairo && gtk_check_version(2,10,0) == NULL)
  82         wxPrintFactory::SetPrintFactory( new wxGtkPrintFactory );
  83     return true;
  84 }
  85
  86 void wxGtkPrintModule::OnExit()
  87 {
  88     gs_cairo = NULL;
  89 }
  90
  91 IMPLEMENT_DYNAMIC_CLASS(wxGtkPrintModule, wxModule)
  92
  93 //----------------------------------------------------------------------------
  94 // wxGtkPrintFactory
  95 //----------------------------------------------------------------------------
  96
  97 wxPrinterBase* wxGtkPrintFactory::CreatePrinter( wxPrintDialogData *data )
  98 {
  99     return new wxGtkPrinter( data );
 100 }
 101
 102 wxPrintPreviewBase *wxGtkPrintFactory::CreatePrintPreview( wxPrintout *preview,
 103                                                     wxPrintout *printout,
 104                                                     wxPrintDialogData *data )
 105 {
 106     return new wxGtkPrintPreview( preview, printout, data );
 107 }
 108
 109 wxPrintPreviewBase *wxGtkPrintFactory::CreatePrintPreview( wxPrintout *preview,
 110                                                     wxPrintout *printout,
 111                                                     wxPrintData *data )
 112 {
 113     return new wxGtkPrintPreview( preview, printout, data );
 114 }
 115
 116 wxPrintDialogBase *wxGtkPrintFactory::CreatePrintDialog( wxWindow *parent,
 117                                                   wxPrintDialogData *data )
 118 {
 119     return new wxGtkPrintDialog( parent, data );
 120 }
 121
 122 wxPrintDialogBase *wxGtkPrintFactory::CreatePrintDialog( wxWindow *parent,
 123                                                   wxPrintData *data )
 124 {
 125     return new wxGtkPrintDialog( parent, data );
 126 }
 127
 128 wxPageSetupDialogBase *wxGtkPrintFactory::CreatePageSetupDialog( wxWindow *parent,
 129                                                           wxPageSetupDialogData * data )
 130 {
 131     return new wxGtkPageSetupDialog( parent, data );
 132 }
 133
 134 bool wxGtkPrintFactory::HasPrintSetupDialog()
 135 {
 136     return false;
 137 }
 138
 139 wxDialog *
 140 wxGtkPrintFactory::CreatePrintSetupDialog(wxWindow * WXUNUSED(parent),
 141                                           wxPrintData * WXUNUSED(data))
 142 {
 143     return NULL;
 144 }
 145
 146 wxDC* wxGtkPrintFactory::CreatePrinterDC( const wxPrintData& data )
 147 {
 148     return new wxGtkPrintDC(data);
 149 }
 150
 151 bool wxGtkPrintFactory::HasOwnPrintToFile()
 152 {
 153     return true;
 154 }
 155
 156 bool wxGtkPrintFactory::HasPrinterLine()
 157 {
 158     return true;
 159 }
 160
 161 wxString wxGtkPrintFactory::CreatePrinterLine()
 162 {
 163     // redundant now
 164     return wxEmptyString;
 165 }
 166
 167 bool wxGtkPrintFactory::HasStatusLine()
 168 {
 169     // redundant now
 170     return true;
 171 }
 172
 173 wxString wxGtkPrintFactory::CreateStatusLine()
 174 {
 175     // redundant now
 176     return wxEmptyString;
 177 }
 178
 179 wxPrintNativeDataBase *wxGtkPrintFactory::CreatePrintNativeData()
 180 {
 181     return new wxGtkPrintNativeData;
 182 }
 183
 184 //----------------------------------------------------------------------------
 185 // Callback functions for Gtk Printings.
 186 //----------------------------------------------------------------------------
 187
 188 // We use it to pass useful objects to GTK printing callback functions.
 189 struct wxPrinterToGtkData
 190 {
 191    wxGtkPrinter * printer;
 192    wxPrintout * printout;
 193 };
 194
 195 extern "C"
 196 {
 197     static void gtk_begin_print_callback (GtkPrintOperation *operation, GtkPrintContext *context, gpointer user_data)
 198     {
 199         wxPrinterToGtkData *data = (wxPrinterToGtkData *) user_data;
 200
 201         data->printer->BeginPrint(data->printout, operation, context);
 202     }
 203
 204     static void gtk_draw_page_print_callback (GtkPrintOperation *operation, GtkPrintContext *context, gint page_nr, gpointer user_data)
 205     {
 206         wxPrinterToGtkData *data = (wxPrinterToGtkData *) user_data;
 207
 208         data->printer->DrawPage(data->printout, operation, context, page_nr);
 209     }
 210
 211     static void gtk_end_print_callback(GtkPrintOperation * WXUNUSED(operation),
 212                                        GtkPrintContext * WXUNUSED(context),
 213                                        gpointer user_data)
 214     {
 215         wxPrintout *printout = (wxPrintout *) user_data;
 216
 217         printout->OnEndPrinting();
 218     }
 219
 220     static gboolean
 221     gtk_preview_print_callback(GtkPrintOperation * WXUNUSED(operation),
 222                                GtkPrintOperationPreview * WXUNUSED(preview),
 223                                GtkPrintContext *context,
 224                                GtkWindow *parent,
 225                                gpointer user_data)
 226     {
 227         wxPrintout *printout = (wxPrintout *) user_data;
 228
 229         printout->SetIsPreview(true);
 230
 231         /* We create a Cairo context with 72dpi resolution. This resolution is
 232          * only used for positioning. */
 233         cairo_t *cairo = gdk_cairo_create(GTK_WIDGET(parent)->window);
 234         gtk_print_context_set_cairo_context(context, cairo, 72, 72);
 235
 236         return false;
 237     }
 238 }
 239
 240 //----------------------------------------------------------------------------
 241 // wxGtkPrintNativeData
 242 //----------------------------------------------------------------------------
 243
 244 IMPLEMENT_CLASS(wxGtkPrintNativeData, wxPrintNativeDataBase)
 245
 246 wxGtkPrintNativeData::wxGtkPrintNativeData()
 247 {
 248     m_config = gtk_print_settings_new();
 249 }
 250
 251 wxGtkPrintNativeData::~wxGtkPrintNativeData()
 252 {
 253     g_object_unref (m_config);
 254 }
 255
 256 // Convert datas stored in m_config to a wxPrintData.
 257 // Called by wxPrintData::ConvertFromNative().
 258 bool wxGtkPrintNativeData::TransferTo( wxPrintData &data )
 259 {
 260     if(!m_config)
 261         return false;
 262
 263     GtkPrintQuality quality = gtk_print_settings_get_quality(m_config);
 264     if (quality == GTK_PRINT_QUALITY_HIGH)
 265         data.SetQuality(wxPRINT_QUALITY_HIGH);
 266     else if (quality == GTK_PRINT_QUALITY_LOW)
 267         data.SetQuality(wxPRINT_QUALITY_LOW);
 268     else if (quality == GTK_PRINT_QUALITY_DRAFT)
 269         data.SetQuality(wxPRINT_QUALITY_DRAFT);
 270     else
 271         data.SetQuality(wxPRINT_QUALITY_MEDIUM);
 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     return true;
 405 }
 406
 407 // Put datas given by the wxPrintData into m_config.
 408 // Called by wxPrintData::ConvertToNative().
 409 bool wxGtkPrintNativeData::TransferFrom( const wxPrintData &data )
 410 {
 411     if(!m_config)
 412         return false;
 413
 414     wxPrintQuality quality = data.GetQuality();
 415     if (quality == wxPRINT_QUALITY_HIGH)
 416         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_HIGH);
 417     else if (quality == wxPRINT_QUALITY_MEDIUM)
 418         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_NORMAL);
 419     else if (quality == wxPRINT_QUALITY_LOW)
 420         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_LOW);
 421     else if (quality == wxPRINT_QUALITY_DRAFT)
 422         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_DRAFT);
 423     else if (quality > 1)
 424         gtk_print_settings_set_resolution (m_config, quality);
 425     else
 426         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_NORMAL);
 427
 428     gtk_print_settings_set_n_copies(m_config, data.GetNoCopies());
 429
 430     gtk_print_settings_set_use_color(m_config, data.GetColour());
 431
 432     switch (data.GetDuplex())
 433     {
 434         case wxDUPLEX_SIMPLEX:      gtk_print_settings_set_duplex (m_config, GTK_PRINT_DUPLEX_SIMPLEX);
 435                                 break;
 436
 437         case wxDUPLEX_HORIZONTAL:   gtk_print_settings_set_duplex (m_config, GTK_PRINT_DUPLEX_HORIZONTAL);
 438                                 break;
 439
 440         default:
 441         case wxDUPLEX_VERTICAL:      gtk_print_settings_set_duplex (m_config, GTK_PRINT_DUPLEX_VERTICAL);
 442                                 break;
 443     }
 444
 445     if (!data.IsOrientationReversed())
 446     {
 447         if (data.GetOrientation() == wxLANDSCAPE)
 448             gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_LANDSCAPE);
 449         else
 450             gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_PORTRAIT);
 451     }
 452     else {
 453         if (data.GetOrientation() == wxLANDSCAPE)
 454             gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE);
 455         else
 456             gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT);
 457     }
 458
 459     gtk_print_settings_set_collate (m_config, data.GetCollate());
 460
 461     // Paper formats: these are the most common paper formats.
 462     switch (data.GetPaperId())
 463     {
 464         case wxPAPER_A3:        gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A3));
 465                                 break;
 466         case wxPAPER_A4:        gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A4));
 467                                 break;
 468         case wxPAPER_A5:        gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A5));
 469                                 break;
 470         case wxPAPER_B5_TRANSVERSE:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "jis-b5"));
 471                                 break;
 472         case wxPAPER_B5:        gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_B5));
 473                                 break;
 474         case wxPAPER_LETTER:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_LETTER));
 475                                 break;
 476         case wxPAPER_LEGAL:     gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_LEGAL));
 477                                 break;
 478         case wxPAPER_EXECUTIVE: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_EXECUTIVE));
 479                                 break;
 480         case wxPAPER_ENV_10:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "na_number-10"));
 481                                 break;
 482         case wxPAPER_ENV_C5:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c5"));
 483                                 break;
 484         case wxPAPER_ENV_C6:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c6"));
 485                                 break;
 486         case wxPAPER_ENV_B5:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c5b5"));
 487                                 break;
 488         case wxPAPER_ENV_MONARCH:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "na_monarch"));
 489                                 break;
 490         case wxPAPER_CSHEET:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-c"));
 491                                 break;
 492         case wxPAPER_DSHEET:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-d"));
 493                                 break;
 494         case wxPAPER_ESHEET:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-e"));
 495                                 break;
 496         case wxPAPER_LETTERSMALL:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "letter"));
 497                                 break;
 498         case wxPAPER_TABLOID:   gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-b"));
 499                                 break;
 500         case wxPAPER_LEDGER:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "ledger"));
 501                                 break;
 502         case wxPAPER_STATEMENT:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "statement"));
 503                                 break;
 504         case wxPAPER_A4SMALL:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A4));
 505                                 break;
 506         case wxPAPER_B4:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-b4"));
 507                                 break;
 508         case wxPAPER_FOLIO:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "folio"));
 509                                 break;
 510         case wxPAPER_QUARTO:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "quarto"));
 511                                 break;
 512         case wxPAPER_10X14:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "10x14"));
 513                                 break;
 514         case wxPAPER_11X17:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "ledger"));
 515                                 break;
 516         case wxPAPER_NOTE:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "letter"));
 517                                 break;
 518         case wxPAPER_ENV_9:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "na-number-9-envelope"));
 519                                 break;
 520         case wxPAPER_ENV_11:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "number-11"));
 521                                 break;
 522         case wxPAPER_ENV_12:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "number-12"));
 523                                 break;
 524         case wxPAPER_ENV_14:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "number-14"));
 525                                 break;
 526         case wxPAPER_ENV_DL:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-designated"));
 527                                 break;
 528         case wxPAPER_ENV_C3:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c3"));
 529                                 break;
 530         case wxPAPER_ENV_C4:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c4"));
 531                                 break;
 532         case wxPAPER_ENV_C65:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "c6/c5"));
 533                                 break;
 534         case wxPAPER_ENV_B4:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-b4"));
 535                                 break;
 536         case wxPAPER_ENV_B6:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-b6"));
 537                                 break;
 538         case wxPAPER_ENV_ITALY:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "Italian"));
 539                                 break;
 540         case wxPAPER_ENV_PERSONAL:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "personal"));
 541                                 break;
 542         case wxPAPER_FANFOLD_US:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "fanfold-us"));
 543                                 break;
 544         case wxPAPER_FANFOLD_STD_GERMAN:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "fanfold-European"));
 545                                 break;
 546         case wxPAPER_FANFOLD_LGL_GERMAN:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "foolscap"));
 547                                 break;
 548         case wxPAPER_NONE:
 549         default:                break;
 550     }
 551
 552     return true;
 553 }
 554
 555 void wxGtkPrintNativeData::SetPrintConfig( GtkPrintSettings * config )
 556 {
 557     if (config)
 558         m_config = gtk_print_settings_copy(config);
 559 }
 560
 561 // Extract page setup from settings.
 562 GtkPageSetup* wxGtkPrintNativeData::GetPageSetupFromSettings(GtkPrintSettings* settings)
 563 {
 564     GtkPageSetup* page_setup = gtk_page_setup_new();
 565     gtk_page_setup_set_orientation (page_setup, gtk_print_settings_get_orientation (settings));
 566
 567     GtkPaperSize *paper_size = gtk_print_settings_get_paper_size (settings);
 568     if (paper_size != NULL)
 569         gtk_page_setup_set_paper_size_and_default_margins (page_setup, paper_size);
 570
 571     return page_setup;
 572 }
 573
 574 // Insert page setup into a given GtkPrintSettings.
 575 void wxGtkPrintNativeData::SetPageSetupToSettings(GtkPrintSettings* settings, GtkPageSetup* page_setup)
 576 {
 577     gtk_print_settings_set_orientation ( settings, gtk_page_setup_get_orientation (page_setup));
 578     gtk_print_settings_set_paper_size ( settings, gtk_page_setup_get_paper_size (page_setup));
 579 }
 580
 581 //----------------------------------------------------------------------------
 582 // wxGtkPrintDialog
 583 //----------------------------------------------------------------------------
 584
 585 IMPLEMENT_CLASS(wxGtkPrintDialog, wxPrintDialogBase)
 586
 587 wxGtkPrintDialog::wxGtkPrintDialog( wxWindow *parent, wxPrintDialogData *data )
 588                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 589                                wxPoint(0, 0), wxSize(600, 600),
 590                                wxDEFAULT_DIALOG_STYLE |
 591                                wxTAB_TRAVERSAL)
 592 {
 593     if (data)
 594         m_printDialogData = *data;
 595
 596     m_parent = parent;
 597     SetShowDialog(true);
 598 }
 599
 600 wxGtkPrintDialog::wxGtkPrintDialog( wxWindow *parent, wxPrintData *data )
 601                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 602                                wxPoint(0, 0), wxSize(600, 600),
 603                                wxDEFAULT_DIALOG_STYLE |
 604                                wxTAB_TRAVERSAL)
 605 {
 606     if (data)
 607         m_printDialogData = *data;
 608
 609     m_parent = parent;
 610     SetShowDialog(true);
 611 }
 612
 613
 614 wxGtkPrintDialog::~wxGtkPrintDialog()
 615 {
 616 }
 617
 618 // This is called even if we actually don't want the dialog to appear.
 619 int wxGtkPrintDialog::ShowModal()
 620 {
 621     GtkPrintOperationResult response;
 622
 623     // We need to restore the settings given in the constructor.
 624     wxPrintData data = m_printDialogData.GetPrintData();
 625     wxGtkPrintNativeData *native =
 626       (wxGtkPrintNativeData*) data.GetNativeData();
 627     data.ConvertToNative();
 628
 629     GtkPrintSettings * settings = native->GetPrintConfig();
 630
 631     // We have to restore pages to print here because they're stored in a wxPrintDialogData and ConvertToNative only works for wxPrintData.
 632     int fromPage = m_printDialogData.GetFromPage();
 633     int toPage = m_printDialogData.GetToPage();
 634     if (m_printDialogData.GetSelection())
 635         gtk_print_settings_set_print_pages(settings, GTK_PRINT_PAGES_CURRENT);
 636     else if (m_printDialogData.GetAllPages())
 637         gtk_print_settings_set_print_pages(settings, GTK_PRINT_PAGES_ALL);
 638     else {
 639         gtk_print_settings_set_print_pages(settings, GTK_PRINT_PAGES_RANGES);
 640         GtkPageRange *range;
 641         range = g_new (GtkPageRange, 1);
 642         range[0].start = fromPage-1;
 643         range[0].end = (toPage >= fromPage) ? toPage-1 : fromPage-1;
 644         gtk_print_settings_set_page_ranges (settings, range, 1);
 645     }
 646
 647     // If the settings are OK, we restore it.
 648     if (settings != NULL)
 649         gtk_print_operation_set_print_settings (native->GetPrintJob(), settings);
 650     gtk_print_operation_set_default_page_setup (native->GetPrintJob(), native->GetPageSetupFromSettings(settings));
 651
 652     // Show the dialog if needed.
 653     GError* gError = NULL;
 654     if (GetShowDialog())
 655         response = gtk_print_operation_run (native->GetPrintJob(), GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG, GTK_WINDOW(gtk_widget_get_toplevel(m_parent->m_widget) ), &gError);
 656     else
 657         response = gtk_print_operation_run (native->GetPrintJob(), GTK_PRINT_OPERATION_ACTION_PRINT, GTK_WINDOW(gtk_widget_get_toplevel(m_parent->m_widget)), &gError);
 658
 659     // Does everything went well?
 660     if (response == GTK_PRINT_OPERATION_RESULT_CANCEL)
 661     {
 662         return wxID_CANCEL;
 663     }
 664     else if (response == GTK_PRINT_OPERATION_RESULT_ERROR)
 665     {
 666         g_error_free (gError);
 667         wxLogError(_("Error while printing: ") + wxString::Format(_("%s"), gError->message));
 668         return wxID_NO; // We use wxID_NO because there is no wxID_ERROR available
 669     }
 670
 671     // Now get the settings and save it.
 672     GtkPrintSettings* newSettings = gtk_print_operation_get_print_settings (native->GetPrintJob());
 673     native->SetPrintConfig(newSettings);
 674     data.ConvertFromNative();
 675
 676     // Same problem as a few lines before.
 677     switch (gtk_print_settings_get_print_pages(newSettings))
 678     {
 679         case GTK_PRINT_PAGES_CURRENT:
 680             m_printDialogData.SetSelection( true );
 681             break;
 682         case GTK_PRINT_PAGES_RANGES:
 683             {// wxWidgets doesn't support multiple ranges, so we can only save the first one even if the user wants to print others.
 684             // 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
 685             // will hit "OK" button. However we can only save 1-3 in the print data.
 686             gint num_ranges = 0;
 687             GtkPageRange* range;
 688             range = gtk_print_settings_get_page_ranges (newSettings, &num_ranges);
 689             if (num_ranges >= 1)
 690             {
 691                 m_printDialogData.SetFromPage( range[0].start );
 692                 m_printDialogData.SetToPage( range[0].end );
 693             }
 694             else {
 695                 m_printDialogData.SetAllPages( true );
 696                 m_printDialogData.SetFromPage( 0 );
 697                 m_printDialogData.SetToPage( 9999 );
 698             }
 699             break;}
 700         case GTK_PRINT_PAGES_ALL:
 701         default:
 702             m_printDialogData.SetAllPages( true );
 703             m_printDialogData.SetFromPage( 0 );
 704             m_printDialogData.SetToPage( 9999 );
 705             break;
 706     }
 707
 708     return wxID_OK;
 709 }
 710
 711 //----------------------------------------------------------------------------
 712 // wxGtkPageSetupDialog
 713 //----------------------------------------------------------------------------
 714
 715 IMPLEMENT_CLASS(wxGtkPageSetupDialog, wxPageSetupDialogBase)
 716
 717 wxGtkPageSetupDialog::wxGtkPageSetupDialog( wxWindow *parent,
 718                             wxPageSetupDialogData* data )
 719 {
 720     if (data)
 721         m_pageDialogData = *data;
 722
 723     m_parent = parent;
 724 }
 725
 726 wxGtkPageSetupDialog::~wxGtkPageSetupDialog()
 727 {
 728 }
 729
 730 int wxGtkPageSetupDialog::ShowModal()
 731 {
 732     // Get the config.
 733     m_pageDialogData.GetPrintData().ConvertToNative();
 734     wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) m_pageDialogData.GetPrintData().GetNativeData();
 735     GtkPrintSettings* nativeData = native->GetPrintConfig();
 736
 737     // We only need the pagesetup data which are part of the settings.
 738     GtkPageSetup* oldPageSetup = native->GetPageSetupFromSettings(nativeData);
 739
 740     // If the user used a custom paper format the last time he printed, we have to restore it too.
 741     if (m_pageDialogData.GetPrintData().GetPaperId() == wxPAPER_NONE)
 742     {
 743         wxSize customPaperSize = m_pageDialogData.GetPaperSize();
 744         if (customPaperSize.GetWidth() > 0 && customPaperSize.GetHeight() > 0)
 745         {
 746             wxString title = _("Custom size");
 747             GtkPaperSize* customSize = gtk_paper_size_new_custom ("custom", title.mb_str(), (gdouble) customPaperSize.GetWidth(), (gdouble) customPaperSize.GetHeight(), GTK_UNIT_MM);
 748             gtk_page_setup_set_paper_size_and_default_margins (oldPageSetup, customSize);
 749             g_object_unref(customSize);
 750         }
 751     }
 752
 753     // Now show the dialog.
 754     GtkPageSetup* newPageSetup = gtk_print_run_page_setup_dialog (GTK_WINDOW(m_parent->m_widget),
 755                                                            oldPageSetup,
 756                                                            nativeData);
 757
 758     int ret;
 759     if (newPageSetup != oldPageSetup)
 760     {
 761         native->SetPageSetupToSettings(nativeData, newPageSetup);
 762         m_pageDialogData.GetPrintData().ConvertFromNative();
 763
 764         // Store custom paper format if any.
 765         if (m_pageDialogData.GetPrintData().GetPaperId() == wxPAPER_NONE)
 766         {
 767             gdouble ml,mr,mt,mb,pw,ph;
 768             ml = gtk_page_setup_get_left_margin (newPageSetup, GTK_UNIT_MM);
 769             mr = gtk_page_setup_get_right_margin (newPageSetup, GTK_UNIT_MM);
 770             mt = gtk_page_setup_get_top_margin (newPageSetup, GTK_UNIT_MM);
 771             mb = gtk_page_setup_get_bottom_margin (newPageSetup, GTK_UNIT_MM);
 772
 773             pw = gtk_page_setup_get_paper_width (newPageSetup, GTK_UNIT_MM);
 774             ph = gtk_page_setup_get_paper_height (newPageSetup, GTK_UNIT_MM);
 775
 776             m_pageDialogData.SetMarginTopLeft( wxPoint( (int)(ml+0.5), (int)(mt+0.5)) );
 777             m_pageDialogData.SetMarginBottomRight( wxPoint( (int)(mr+0.5), (int)(mb+0.5)) );
 778
 779             m_pageDialogData.SetPaperSize( wxSize( (int)(pw+0.5), (int)(ph+0.5) ) );
 780         }
 781
 782         ret = wxID_OK;
 783     }
 784     else
 785     {
 786         ret = wxID_CANCEL;
 787     }
 788
 789     return ret;
 790 }
 791
 792 //----------------------------------------------------------------------------
 793 // wxGtkPrinter
 794 //----------------------------------------------------------------------------
 795
 796 IMPLEMENT_CLASS(wxGtkPrinter, wxPrinterBase)
 797
 798 wxGtkPrinter::wxGtkPrinter( wxPrintDialogData *data ) :
 799     wxPrinterBase( data )
 800 {
 801     m_gpc = NULL;
 802
 803     if (data)
 804         m_printDialogData = *data;
 805 }
 806
 807 wxGtkPrinter::~wxGtkPrinter()
 808 {
 809 }
 810
 811 bool wxGtkPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt )
 812 {
 813     if (!printout)
 814     {
 815         sm_lastError = wxPRINTER_ERROR;
 816         return false;
 817     }
 818
 819     // Let's correct the PageInfo just in case the app gives wrong values.
 820     int fromPage, toPage;
 821     int minPage, maxPage;
 822     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 823     m_printDialogData.SetAllPages(true);
 824
 825     if (minPage < 1) minPage = 1;
 826     if (maxPage < 1) maxPage = 9999;
 827     if (maxPage < minPage) maxPage = minPage;
 828
 829     m_printDialogData.SetMinPage(minPage);
 830     m_printDialogData.SetMaxPage(maxPage);
 831     if (fromPage != 0)
 832     {
 833         if (fromPage < minPage) fromPage = minPage;
 834         else if (fromPage > maxPage) fromPage = maxPage;
 835         m_printDialogData.SetFromPage(fromPage);
 836     }
 837     if (toPage != 0)
 838     {
 839         m_printDialogData.SetToPage(toPage);
 840         if (toPage > maxPage) toPage = maxPage;
 841         else if (toPage < minPage) toPage = minPage;
 842     }
 843
 844     if (((minPage != fromPage) && fromPage != 0) || ((maxPage != toPage) && toPage != 0)) m_printDialogData.SetAllPages(false);
 845
 846
 847     wxPrintData printdata = GetPrintDialogData().GetPrintData();
 848     wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) printdata.GetNativeData();
 849
 850     GtkPrintOperation *printOp = gtk_print_operation_new ();
 851
 852     native->SetPrintJob( printOp );
 853
 854     printout->SetIsPreview(false);
 855
 856     wxPrinterToGtkData dataToSend;
 857     dataToSend.printer = this;
 858     dataToSend.printout = printout;
 859
 860     // These Gtk signals are caught here.
 861     g_signal_connect (printOp, "begin-print", G_CALLBACK (gtk_begin_print_callback), &dataToSend);
 862     g_signal_connect (printOp, "draw-page", G_CALLBACK (gtk_draw_page_print_callback), &dataToSend);
 863     g_signal_connect (printOp, "end-print", G_CALLBACK (gtk_end_print_callback), printout);
 864     g_signal_connect (printOp, "preview", G_CALLBACK (gtk_preview_print_callback), printout);
 865
 866     // This is used to setup the DC and
 867     // show the dialog if desired
 868     wxGtkPrintDialog dialog( parent, &m_printDialogData );
 869     dialog.SetPrintDC(m_dc);
 870     dialog.SetShowDialog(prompt);
 871
 872     // doesn't necessarily show
 873     int ret = dialog.ShowModal();
 874     if (ret == wxID_CANCEL)
 875     {
 876         sm_lastError = wxPRINTER_CANCELLED;
 877     }
 878     if (ret == wxID_NO)
 879     {
 880         sm_lastError = wxPRINTER_ERROR;
 881         wxFAIL_MSG(_("The print dialog returned an error."));
 882     }
 883
 884     g_object_unref (printOp);
 885
 886     return (sm_lastError == wxPRINTER_NO_ERROR);
 887 }
 888
 889 void wxGtkPrinter::BeginPrint(wxPrintout *printout, GtkPrintOperation *operation, GtkPrintContext *context)
 890 {
 891     wxPrintData printdata = GetPrintDialogData().GetPrintData();
 892     wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) printdata.GetNativeData();
 893
 894     SetPrintContext(context);
 895     native->SetPrintContext( context );
 896
 897     wxGtkPrintDC *printDC = new wxGtkPrintDC( printdata );
 898     m_dc = printDC;
 899
 900     if (!m_dc->IsOk())
 901     {
 902         if (sm_lastError != wxPRINTER_CANCELLED)
 903         {
 904             sm_lastError = wxPRINTER_ERROR;
 905             wxFAIL_MSG(_("The wxGtkPrintDC cannot be used."));
 906         }
 907         return;
 908     }
 909     wxSize ScreenPixels = wxGetDisplaySize();
 910     wxSize ScreenMM = wxGetDisplaySizeMM();
 911
 912     printout->SetPPIScreen( (int) ((ScreenPixels.GetWidth() * 25.4) / ScreenMM.GetWidth()),
 913                             (int) ((ScreenPixels.GetHeight() * 25.4) / ScreenMM.GetHeight()) );
 914     printout->SetPPIPrinter( printDC->GetResolution(),
 915                              printDC->GetResolution() );
 916
 917     printout->SetDC(m_dc);
 918
 919     int w, h;
 920     m_dc->GetSize(&w, &h);
 921     printout->SetPageSizePixels((int)w, (int)h);
 922     printout->SetPaperRectPixels(wxRect(0, 0, w, h));
 923     int mw, mh;
 924     m_dc->GetSizeMM(&mw, &mh);
 925     printout->SetPageSizeMM((int)mw, (int)mh);
 926     printout->OnPreparePrinting();
 927
 928     // Get some parameters from the printout, if defined.
 929     int fromPage, toPage;
 930     int minPage, maxPage;
 931     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 932
 933     if (maxPage == 0)
 934     {
 935         sm_lastError = wxPRINTER_ERROR;
 936         wxFAIL_MSG(_("wxPrintout::GetPageInfo gives a null maxPage."));
 937         return;
 938     }
 939
 940     printout->OnBeginPrinting();
 941
 942     int numPages = 0;
 943
 944     // If we're not previewing we need to calculate the number of pages to print.
 945     // If we're previewing, Gtk Print will render every pages without wondering about the page ranges the user may
 946     // have defined in the dialog. So the number of pages is the maximum available.
 947     if (!printout->IsPreview())
 948     {
 949         GtkPrintSettings * settings = gtk_print_operation_get_print_settings (operation);
 950         switch (gtk_print_settings_get_print_pages(settings))
 951         {
 952             case GTK_PRINT_PAGES_CURRENT:
 953                 numPages = 1;
 954                 break;
 955             case GTK_PRINT_PAGES_RANGES:
 956                 {gint num_ranges = 0;
 957                 GtkPageRange* range;
 958                 int i;
 959                 range = gtk_print_settings_get_page_ranges (settings, &num_ranges);
 960                 for (i=0; i<num_ranges; i++)
 961                 {
 962                     if (range[i].end < range[i].start) range[i].end = range[i].start;
 963                     if (range[i].start < minPage-1) range[i].start = minPage-1;
 964                     if (range[i].end > maxPage-1) range[i].end = maxPage-1;
 965                     if (range[i].start > maxPage-1) range[i].start = maxPage-1;
 966                     numPages += range[i].end - range[i].start + 1;
 967                 }
 968                 gtk_print_settings_set_page_ranges (settings, range, 1);
 969                 break;}
 970             case GTK_PRINT_PAGES_ALL:
 971             default:
 972                 numPages = maxPage - minPage + 1;
 973                 break;
 974         }
 975     }
 976     else numPages = maxPage - minPage + 1;
 977
 978     gtk_print_operation_set_n_pages(operation, numPages);
 979 }
 980
 981 void wxGtkPrinter::DrawPage(wxPrintout *printout,
 982                             GtkPrintOperation *operation,
 983                             GtkPrintContext * WXUNUSED(context),
 984                             int page_nr)
 985 {
 986     int fromPage, toPage, minPage, maxPage, startPage, endPage;
 987     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 988
 989     int numPageToDraw = page_nr + minPage;
 990     if (numPageToDraw < minPage) numPageToDraw = minPage;
 991     if (numPageToDraw > maxPage) numPageToDraw = maxPage;
 992
 993     GtkPrintSettings * settings = gtk_print_operation_get_print_settings (operation);
 994     switch (gtk_print_settings_get_print_pages(settings))
 995     {
 996         case GTK_PRINT_PAGES_CURRENT:
 997             g_object_get_property((GObject*) operation, (const gchar *) "current-page", (GValue*) &startPage);
 998             g_object_get_property((GObject*) operation, (const gchar *) "current-page", (GValue*) &endPage);
 999             break;
1000         case GTK_PRINT_PAGES_RANGES:
1001             {gint num_ranges = 0;
1002             GtkPageRange* range;
1003             range = gtk_print_settings_get_page_ranges (settings, &num_ranges);
1004             // We don't need to verify these values as it has already been done in wxGtkPrinter::BeginPrint.
1005             if (num_ranges >= 1)
1006             {
1007                 startPage = range[0].start + 1;
1008                 endPage = range[0].end + 1;
1009             }
1010             else {
1011                 startPage = minPage;
1012                 endPage = maxPage;
1013             }
1014             break;}
1015         case GTK_PRINT_PAGES_ALL:
1016         default:
1017             startPage = minPage;
1018             endPage = maxPage;
1019             break;
1020     }
1021
1022     if(numPageToDraw == startPage)
1023     {
1024         if (!printout->OnBeginDocument(startPage, endPage))
1025         {
1026             wxLogError(_("Could not start printing."));
1027             sm_lastError = wxPRINTER_ERROR;
1028         }
1029     }
1030
1031     // The app can render the page numPageToDraw.
1032     if (printout->HasPage(numPageToDraw))
1033     {
1034         m_dc->StartPage();
1035         printout->OnPrintPage(numPageToDraw);
1036         m_dc->EndPage();
1037     }
1038
1039
1040     if(numPageToDraw == endPage)
1041     {
1042         printout->OnEndDocument();
1043     }
1044 }
1045
1046 wxDC* wxGtkPrinter::PrintDialog( wxWindow *parent )
1047 {
1048     wxGtkPrintDialog dialog( parent, &m_printDialogData );
1049
1050     dialog.SetPrintDC(m_dc);
1051     dialog.SetShowDialog(true);
1052
1053     int ret = dialog.ShowModal();
1054
1055     if (ret == wxID_CANCEL)
1056     {
1057         sm_lastError = wxPRINTER_CANCELLED;
1058         return NULL;
1059     }
1060     if (ret == wxID_NO)
1061     {
1062         sm_lastError = wxPRINTER_ERROR;
1063         wxFAIL_MSG(_("The print dialog returned an error."));
1064         return NULL;
1065     }
1066
1067     m_printDialogData = dialog.GetPrintDialogData();
1068     return new wxGtkPrintDC( m_printDialogData.GetPrintData() );
1069 }
1070
1071 bool wxGtkPrinter::Setup( wxWindow * WXUNUSED(parent) )
1072 {
1073     // Obsolete, for backward compatibility.
1074     return false;
1075 }
1076
1077 //-----------------------------------------------------------------------------
1078 // wxGtkPrintDC
1079 //-----------------------------------------------------------------------------
1080
1081 #define XLOG2DEV(x)     ((double)(LogicalToDeviceX(x)) * m_DEV2PS)
1082 #define XLOG2DEVREL(x)  ((double)(LogicalToDeviceXRel(x)) * m_DEV2PS)
1083 #define YLOG2DEV(x)     ((double)(LogicalToDeviceY(x)) * m_DEV2PS)
1084 #define YLOG2DEVREL(x)  ((double)(LogicalToDeviceYRel(x)) * m_DEV2PS)
1085
1086 IMPLEMENT_CLASS(wxGtkPrintDC, wxDC)
1087
1088 wxGtkPrintDC::wxGtkPrintDC( const wxPrintData& data )
1089 {
1090     m_printData = data;
1091
1092     wxGtkPrintNativeData *native =
1093         (wxGtkPrintNativeData*) m_printData.GetNativeData();
1094
1095     m_gpc = native->GetPrintContext();
1096
1097     // Match print quality to resolution (high = 1200dpi)
1098     m_resolution = m_printData.GetQuality(); // (int) gtk_print_context_get_dpi_x( m_gpc );
1099     if (m_resolution < 0)
1100         m_resolution = (1 << (m_resolution+4)) *150;
1101
1102     m_PS2DEV = (double)m_resolution / 72.0;
1103     m_DEV2PS = 72.0 / (double)m_resolution;
1104
1105     m_context = gtk_print_context_create_pango_context( m_gpc );
1106     m_layout = gtk_print_context_create_pango_layout ( m_gpc );
1107     m_fontdesc = pango_font_description_from_string( "Sans 12" );
1108
1109     m_cairo = gtk_print_context_get_cairo_context ( m_gpc );
1110
1111     m_currentRed = 0;
1112     m_currentBlue = 0;
1113     m_currentGreen = 0;
1114
1115     m_signX = 1;  // default x-axis left to right.
1116     m_signY = 1;  // default y-axis bottom up -> top down.
1117
1118     // By default the origin of the Cairo context is in the upper left
1119     // corner of the printable area. We need to translate it so that it
1120     // is in the upper left corner of the paper (without margins)
1121     GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc );
1122     gdouble ml, mt;
1123     ml = gtk_page_setup_get_left_margin (setup, GTK_UNIT_POINTS);
1124     mt = gtk_page_setup_get_top_margin (setup, GTK_UNIT_POINTS);
1125     gs_cairo->cairo_translate(m_cairo, -ml, -mt);
1126 }
1127
1128 wxGtkPrintDC::~wxGtkPrintDC()
1129 {
1130     g_object_unref(m_context);
1131     g_object_unref(m_layout);
1132 }
1133
1134 bool wxGtkPrintDC::IsOk() const
1135 {
1136     return m_gpc != NULL;
1137 }
1138
1139 bool wxGtkPrintDC::DoFloodFill(wxCoord WXUNUSED(x1),
1140                                wxCoord WXUNUSED(y1),
1141                                const wxColour& WXUNUSED(col),
1142                                int WXUNUSED(style))
1143 {
1144     // We can't access the given coord as a Cairo context is scalable, ie a
1145     // coord doesn't mean anything in this context.
1146     wxFAIL_MSG(_("not implemented"));
1147     return false;
1148 }
1149
1150 void wxGtkPrintDC::DoGradientFillConcentric(const wxRect& rect, const wxColour& initialColour, const wxColour& destColour, const wxPoint& circleCenter)
1151 {
1152     wxCoord xC = circleCenter.x;
1153     wxCoord yC = circleCenter.y;
1154     wxCoord xR = rect.x;
1155     wxCoord yR = rect.y;
1156     wxCoord w =  rect.width;
1157     wxCoord h = rect.height;
1158
1159     double radius = sqrt((w/2)*(w/2)+(h/2)*(h/2));
1160
1161     unsigned char redI = initialColour.Red();
1162     unsigned char blueI = initialColour.Blue();
1163     unsigned char greenI = initialColour.Green();
1164     unsigned char alphaI = initialColour.Alpha();
1165     unsigned char redD = destColour.Red();
1166     unsigned char blueD = destColour.Blue();
1167     unsigned char greenD = destColour.Green();
1168     unsigned char alphaD = destColour.Alpha();
1169
1170     double redIPS = (double)(redI) / 255.0;
1171     double blueIPS = (double)(blueI) / 255.0;
1172     double greenIPS = (double)(greenI) / 255.0;
1173     double alphaIPS = (double)(alphaI) / 255.0;
1174     double redDPS = (double)(redD) / 255.0;
1175     double blueDPS = (double)(blueD) / 255.0;
1176     double greenDPS = (double)(greenD) / 255.0;
1177     double alphaDPS = (double)(alphaD) / 255.0;
1178
1179     // Create a pattern with the gradient.
1180     cairo_pattern_t* gradient;
1181     gradient = gs_cairo->cairo_pattern_create_radial (XLOG2DEV(xC+xR), YLOG2DEV(yC+yR), 0, XLOG2DEV(xC+xR), YLOG2DEV(yC+yR), radius * m_DEV2PS );
1182     gs_cairo->cairo_pattern_add_color_stop_rgba (gradient, 0.0, redIPS, greenIPS, blueIPS, alphaIPS);
1183     gs_cairo->cairo_pattern_add_color_stop_rgba (gradient, 1.0, redDPS, greenDPS, blueDPS, alphaDPS);
1184
1185     // Fill the rectangle with this pattern.
1186     gs_cairo->cairo_set_source(m_cairo, gradient);
1187     gs_cairo->cairo_rectangle (m_cairo, XLOG2DEV(xR), YLOG2DEV(yR), XLOG2DEVREL(w), YLOG2DEVREL(h) );
1188     gs_cairo->cairo_fill(m_cairo);
1189
1190     gs_cairo->cairo_pattern_destroy(gradient);
1191
1192     CalcBoundingBox(xR, yR);
1193     CalcBoundingBox(xR+w, yR+h);
1194 }
1195
1196 void wxGtkPrintDC::DoGradientFillLinear(const wxRect& rect, const wxColour& initialColour, const wxColour& destColour, wxDirection nDirection)
1197 {
1198     wxCoord x = rect.x;
1199     wxCoord y = rect.y;
1200     wxCoord w = rect.width;
1201     wxCoord h = rect.height;
1202
1203     unsigned char redI = initialColour.Red();
1204     unsigned char blueI = initialColour.Blue();
1205     unsigned char greenI = initialColour.Green();
1206     unsigned char alphaI = initialColour.Alpha();
1207     unsigned char redD = destColour.Red();
1208     unsigned char blueD = destColour.Blue();
1209     unsigned char greenD = destColour.Green();
1210     unsigned char alphaD = destColour.Alpha();
1211
1212     double redIPS = (double)(redI) / 255.0;
1213     double blueIPS = (double)(blueI) / 255.0;
1214     double greenIPS = (double)(greenI) / 255.0;
1215     double alphaIPS = (double)(alphaI) / 255.0;
1216     double redDPS = (double)(redD) / 255.0;
1217     double blueDPS = (double)(blueD) / 255.0;
1218     double greenDPS = (double)(greenD) / 255.0;
1219     double alphaDPS = (double)(alphaD) / 255.0;
1220
1221     // Create a pattern with the gradient.
1222     cairo_pattern_t* gradient;
1223     gradient = gs_cairo->cairo_pattern_create_linear (XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x+w), YLOG2DEV(y));
1224
1225     if (nDirection == wxWEST)
1226     {
1227         gs_cairo->cairo_pattern_add_color_stop_rgba (gradient, 0.0, redDPS, greenDPS, blueDPS, alphaDPS);
1228         gs_cairo->cairo_pattern_add_color_stop_rgba (gradient, 1.0, redIPS, greenIPS, blueIPS, alphaIPS);
1229     }
1230     else {
1231         gs_cairo->cairo_pattern_add_color_stop_rgba (gradient, 0.0, redIPS, greenIPS, blueIPS, alphaIPS);
1232         gs_cairo->cairo_pattern_add_color_stop_rgba (gradient, 1.0, redDPS, greenDPS, blueDPS, alphaDPS);
1233     }
1234
1235     // Fill the rectangle with this pattern.
1236     gs_cairo->cairo_set_source(m_cairo, gradient);
1237     gs_cairo->cairo_rectangle (m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(w), YLOG2DEVREL(h) );
1238     gs_cairo->cairo_fill(m_cairo);
1239
1240     gs_cairo->cairo_pattern_destroy(gradient);
1241
1242     CalcBoundingBox(x, y);
1243     CalcBoundingBox(x+w, y+h);
1244 }
1245
1246 bool wxGtkPrintDC::DoGetPixel(wxCoord WXUNUSED(x1),
1247                               wxCoord WXUNUSED(y1),
1248                               wxColour * WXUNUSED(col)) const
1249 {
1250     wxFAIL_MSG(_("not implemented"));
1251     return false;
1252 }
1253
1254 void wxGtkPrintDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
1255 {
1256     if  (m_pen.GetStyle() == wxTRANSPARENT) return;
1257
1258     SetPen( m_pen );
1259     gs_cairo->cairo_move_to ( m_cairo, XLOG2DEV(x1), YLOG2DEV(y1) );
1260     gs_cairo->cairo_line_to ( m_cairo, XLOG2DEV(x2), YLOG2DEV(y2) );
1261     gs_cairo->cairo_stroke ( m_cairo );
1262
1263     CalcBoundingBox( x1, y1 );
1264     CalcBoundingBox( x2, y2 );
1265 }
1266
1267 void wxGtkPrintDC::DoCrossHair(wxCoord x, wxCoord y)
1268 {
1269     int w, h;
1270     DoGetSize(&w, &h);
1271
1272     SetPen(m_pen);
1273
1274     gs_cairo->cairo_move_to (m_cairo, XLOG2DEV(x), 0);
1275     gs_cairo->cairo_line_to (m_cairo, XLOG2DEV(x), YLOG2DEVREL(h));
1276     gs_cairo->cairo_move_to (m_cairo, 0, YLOG2DEV(y));
1277     gs_cairo->cairo_line_to (m_cairo, XLOG2DEVREL(w), YLOG2DEV(y));
1278
1279     gs_cairo->cairo_stroke (m_cairo);
1280     CalcBoundingBox( 0, 0 );
1281     CalcBoundingBox( w, h );
1282 }
1283
1284 void wxGtkPrintDC::DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc)
1285 {
1286     double dx = x1 - xc;
1287     double dy = y1 - yc;
1288     double radius = sqrt((double)(dx*dx+dy*dy));
1289
1290     double alpha1, alpha2;
1291     if (x1 == x2 && y1 == y2)
1292     {
1293         alpha1 = 0.0;
1294         alpha2 = 360.0;
1295     }
1296     else
1297     if (radius == 0.0)
1298     {
1299         alpha1 = alpha2 = 0.0;
1300     }
1301     else
1302     {
1303         alpha1 = (x1 - xc == 0) ?
1304             (y1 - yc < 0) ? 90.0 : -90.0 :
1305             atan2(double(y1-yc), double(x1-xc)) * RAD2DEG;
1306         alpha2 = (x2 - xc == 0) ?
1307             (y2 - yc < 0) ? 90.0 : -90.0 :
1308             atan2(double(y2-yc), double(x2-xc)) * RAD2DEG;
1309
1310         while (alpha1 <= 0)   alpha1 += 360;
1311         while (alpha2 <= 0)   alpha2 += 360; // adjust angles to be between.
1312         while (alpha1 > 360)  alpha1 -= 360; // 0 and 360 degree.
1313         while (alpha2 > 360)  alpha2 -= 360;
1314     }
1315
1316     alpha1 *= DEG2RAD;
1317     alpha2 *= DEG2RAD;
1318
1319     gs_cairo->cairo_new_path(m_cairo);
1320
1321     gs_cairo->cairo_arc_negative ( m_cairo, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2);
1322     gs_cairo->cairo_line_to(m_cairo, XLOG2DEV(xc), YLOG2DEV(yc));
1323     gs_cairo->cairo_close_path (m_cairo);
1324
1325     SetBrush( m_brush );
1326     gs_cairo->cairo_fill_preserve( m_cairo );
1327
1328     SetPen (m_pen);
1329     gs_cairo->cairo_stroke( m_cairo );
1330
1331     CalcBoundingBox (x1, y1);
1332     CalcBoundingBox (xc, yc);
1333     CalcBoundingBox (x2, y2);
1334 }
1335
1336 void wxGtkPrintDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
1337 {
1338     gs_cairo->cairo_save( m_cairo );
1339
1340     gs_cairo->cairo_new_path(m_cairo);
1341
1342     gs_cairo->cairo_translate( m_cairo, XLOG2DEV((wxCoord) (x + w / 2.)), XLOG2DEV((wxCoord) (y + h / 2.)) );
1343     double scale = (double)YLOG2DEVREL(h) / (double) XLOG2DEVREL(w);
1344     gs_cairo->cairo_scale( m_cairo, 1.0, scale );
1345
1346     gs_cairo->cairo_arc_negative ( m_cairo, 0, 0, XLOG2DEVREL(w/2), -sa*DEG2RAD, -ea*DEG2RAD);
1347
1348     SetPen (m_pen);
1349     gs_cairo->cairo_stroke_preserve( m_cairo );
1350
1351     gs_cairo->cairo_line_to(m_cairo, 0,0);
1352
1353     SetBrush( m_brush );
1354     gs_cairo->cairo_fill( m_cairo );
1355
1356     gs_cairo->cairo_restore( m_cairo );
1357
1358     CalcBoundingBox( x, y);
1359     CalcBoundingBox( x+w, y+h );
1360 }
1361
1362 void wxGtkPrintDC::DoDrawPoint(wxCoord x, wxCoord y)
1363 {
1364     if  (m_pen.GetStyle() == wxTRANSPARENT) return;
1365
1366     SetPen( m_pen );
1367
1368     gs_cairo->cairo_move_to ( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1369     gs_cairo->cairo_line_to ( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1370     gs_cairo->cairo_stroke ( m_cairo );
1371
1372     CalcBoundingBox( x, y );
1373 }
1374
1375 void wxGtkPrintDC::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
1376 {
1377     if (m_pen.GetStyle() == wxTRANSPARENT) return;
1378
1379     if (n <= 0) return;
1380
1381     SetPen (m_pen);
1382
1383     int i;
1384     for ( i =0; i<n ; i++ )
1385         CalcBoundingBox( points[i].x+xoffset, points[i].y+yoffset);
1386
1387     gs_cairo->cairo_move_to ( m_cairo, XLOG2DEV(points[0].x+xoffset), YLOG2DEV(points[0].y+yoffset) );
1388
1389     for (i = 1; i < n; i++)
1390         gs_cairo->cairo_line_to ( m_cairo, XLOG2DEV(points[i].x+xoffset), YLOG2DEV(points[i].y+yoffset) );
1391
1392     gs_cairo->cairo_stroke ( m_cairo);
1393 }
1394
1395 void wxGtkPrintDC::DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
1396 {
1397     if (n==0) return;
1398
1399     gs_cairo->cairo_save(m_cairo);
1400     if (fillStyle == wxWINDING_RULE)
1401         gs_cairo->cairo_set_fill_rule( m_cairo, CAIRO_FILL_RULE_WINDING);
1402     else
1403         gs_cairo->cairo_set_fill_rule( m_cairo, CAIRO_FILL_RULE_EVEN_ODD);
1404
1405     int x = points[0].x + xoffset;
1406     int y = points[0].y + yoffset;
1407     gs_cairo->cairo_new_path(m_cairo);
1408     gs_cairo->cairo_move_to( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1409     int i;
1410     for (i = 1; i < n; i++)
1411     {
1412         int x = points[i].x + xoffset;
1413         int y = points[i].y + yoffset;
1414         gs_cairo->cairo_line_to( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1415     }
1416     gs_cairo->cairo_close_path(m_cairo);
1417
1418     SetBrush( m_brush );
1419     gs_cairo->cairo_fill_preserve( m_cairo );
1420
1421     SetPen (m_pen);
1422     gs_cairo->cairo_stroke( m_cairo );
1423
1424     CalcBoundingBox( x, y );
1425
1426     gs_cairo->cairo_restore(m_cairo);
1427 }
1428
1429 void wxGtkPrintDC::DoDrawPolyPolygon(int n, int count[], wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
1430 {
1431     wxDC::DoDrawPolyPolygon( n, count, points, xoffset, yoffset, fillStyle );
1432 }
1433
1434 void wxGtkPrintDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1435 {
1436     width--;
1437     height--;
1438
1439     gs_cairo->cairo_new_path(m_cairo);
1440     gs_cairo->cairo_rectangle ( m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(width), YLOG2DEVREL(height));
1441
1442     SetBrush( m_brush );
1443     gs_cairo->cairo_fill_preserve( m_cairo );
1444
1445     SetPen (m_pen);
1446     gs_cairo->cairo_stroke( m_cairo );
1447
1448     CalcBoundingBox( x, y );
1449     CalcBoundingBox( x + width, y + height );
1450 }
1451
1452 void wxGtkPrintDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
1453 {
1454     width--;
1455     height--;
1456
1457     if (radius < 0.0) radius = - radius * ((width < height) ? width : height);
1458
1459     wxCoord dd = 2 * (wxCoord) radius;
1460     if (dd > width) dd = width;
1461     if (dd > height) dd = height;
1462     radius = dd / 2;
1463
1464     wxCoord rad = (wxCoord) radius;
1465
1466     gs_cairo->cairo_new_path(m_cairo);
1467     gs_cairo->cairo_move_to(m_cairo,XLOG2DEV(x + rad),YLOG2DEV(y));
1468     gs_cairo->cairo_curve_to(m_cairo,
1469                                 XLOG2DEV(x + rad),YLOG2DEV(y),
1470                                 XLOG2DEV(x),YLOG2DEV(y),
1471                                 XLOG2DEV(x),YLOG2DEV(y + rad));
1472     gs_cairo->cairo_line_to(m_cairo,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1473     gs_cairo->cairo_curve_to(m_cairo,
1474                                 XLOG2DEV(x),YLOG2DEV(y + height - rad),
1475                                 XLOG2DEV(x),YLOG2DEV(y + height),
1476                                 XLOG2DEV(x + rad),YLOG2DEV(y + height));
1477     gs_cairo->cairo_line_to(m_cairo,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1478     gs_cairo->cairo_curve_to(m_cairo,
1479                                 XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1480                                 XLOG2DEV(x + width),YLOG2DEV(y + height),
1481                                 XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1482     gs_cairo->cairo_line_to(m_cairo,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1483     gs_cairo->cairo_curve_to(m_cairo,
1484                                 XLOG2DEV(x + width),YLOG2DEV(y + rad),
1485                                 XLOG2DEV(x + width),YLOG2DEV(y),
1486                                 XLOG2DEV(x + width - rad),YLOG2DEV(y));
1487     gs_cairo->cairo_line_to(m_cairo,XLOG2DEV(x + rad),YLOG2DEV(y));
1488     gs_cairo->cairo_close_path(m_cairo);
1489
1490     SetBrush(m_brush);
1491     gs_cairo->cairo_fill_preserve(m_cairo);
1492
1493     SetPen(m_pen);
1494     gs_cairo->cairo_stroke(m_cairo);
1495
1496     CalcBoundingBox(x,y);
1497     CalcBoundingBox(x+width,y+height);
1498 }
1499
1500 void wxGtkPrintDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1501 {
1502     width--;
1503     height--;
1504
1505     gs_cairo->cairo_save (m_cairo);
1506
1507     gs_cairo->cairo_new_path(m_cairo);
1508
1509     gs_cairo->cairo_translate (m_cairo, XLOG2DEV((wxCoord) (x + width / 2.)), YLOG2DEV((wxCoord) (y + height / 2.)));
1510     gs_cairo->cairo_scale(m_cairo, 1, (double)YLOG2DEVREL(height)/(double)XLOG2DEVREL(width));
1511     gs_cairo->cairo_arc ( m_cairo, 0, 0, XLOG2DEVREL(width/2), 0, 2 * M_PI);
1512
1513     SetBrush( m_brush );
1514     gs_cairo->cairo_fill_preserve( m_cairo );
1515
1516     SetPen (m_pen);
1517     gs_cairo->cairo_stroke( m_cairo );
1518
1519     CalcBoundingBox( x, y );
1520     CalcBoundingBox( x + width, y + height );
1521
1522     gs_cairo->cairo_restore (m_cairo);
1523 }
1524
1525 #if wxUSE_SPLINES
1526 void wxGtkPrintDC::DoDrawSpline(const wxPointList *points)
1527 {
1528     SetPen (m_pen);
1529
1530     double c, d, x1, y1, x2, y2, x3, y3;
1531     wxPoint *p, *q;
1532
1533     wxPointList::compatibility_iterator node = points->GetFirst();
1534     p = node->GetData();
1535     x1 = p->x;
1536     y1 = p->y;
1537
1538     node = node->GetNext();
1539     p = node->GetData();
1540     c = p->x;
1541     d = p->y;
1542     x3 =
1543          (double)(x1 + c) / 2;
1544     y3 =
1545          (double)(y1 + d) / 2;
1546
1547     gs_cairo->cairo_new_path( m_cairo );
1548     gs_cairo->cairo_move_to( m_cairo, XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1) );
1549     gs_cairo->cairo_line_to( m_cairo, XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1550
1551     CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1552     CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1553
1554     node = node->GetNext();
1555     while (node)
1556     {
1557         q = node->GetData();
1558
1559         x1 = x3;
1560         y1 = y3;
1561         x2 = c;
1562         y2 = d;
1563         c = q->x;
1564         d = q->y;
1565         x3 = (double)(x2 + c) / 2;
1566         y3 = (double)(y2 + d) / 2;
1567
1568         gs_cairo->cairo_curve_to(m_cairo,
1569             XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1),
1570             XLOG2DEV((wxCoord)x2), YLOG2DEV((wxCoord)y2),
1571             XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1572
1573         CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1574         CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1575
1576         node = node->GetNext();
1577     }
1578
1579     gs_cairo->cairo_line_to ( m_cairo, XLOG2DEV((wxCoord)c), YLOG2DEV((wxCoord)d) );
1580
1581     gs_cairo->cairo_stroke( m_cairo );
1582 }
1583 #endif // wxUSE_SPLINES
1584
1585 bool wxGtkPrintDC::DoBlit(wxCoord xdest, wxCoord ydest,
1586                           wxCoord width, wxCoord height,
1587                           wxDC *source, wxCoord xsrc, wxCoord ysrc,
1588                           int rop, bool useMask,
1589                           wxCoord WXUNUSED_UNLESS_DEBUG(xsrcMask),
1590                           wxCoord WXUNUSED_UNLESS_DEBUG(ysrcMask))
1591 {
1592     wxASSERT_MSG( xsrcMask == wxDefaultCoord && ysrcMask == wxDefaultCoord,
1593                   wxT("mask coordinates are not supported") );
1594
1595     wxCHECK_MSG( source, false, wxT("invalid source dc") );
1596
1597     // Blit into a bitmap.
1598     wxBitmap bitmap( width, height );
1599     wxMemoryDC memDC;
1600     memDC.SelectObject(bitmap);
1601     memDC.Blit(0, 0, width, height, source, xsrc, ysrc, rop);
1602     memDC.SelectObject(wxNullBitmap);
1603
1604     // Draw bitmap. scaling and positioning is done there.
1605     DrawBitmap( bitmap, xdest, ydest, useMask );
1606
1607     return true;
1608 }
1609
1610 void wxGtkPrintDC::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y )
1611 {
1612     DoDrawBitmap( icon, x, y, true );
1613 }
1614
1615 void wxGtkPrintDC::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask )
1616 {
1617     wxCHECK_RET( bitmap.IsOk(), wxT("Invalid bitmap in wxGtkPrintDC::DoDrawBitmap"));
1618
1619     cairo_surface_t* surface;
1620     x = wxCoord(XLOG2DEV(x));
1621     y = wxCoord(YLOG2DEV(y));
1622     int bw = bitmap.GetWidth();
1623     int bh = bitmap.GetHeight();
1624     wxBitmap bmpSource = bitmap;  // we need a non-const instance.
1625     unsigned char* buffer = new unsigned char[bw*bh*4];
1626     wxUint32* data = (wxUint32*)buffer;
1627
1628     wxMask *mask = NULL;
1629     if (useMask) mask = bmpSource.GetMask();
1630
1631     // Create a surface object and copy the bitmap pixel data to it. If the image has alpha (or a mask represented as alpha)
1632     // then we'll use a different format and iterator than if it doesn't.
1633     if (bmpSource.HasAlpha() || mask)
1634     {
1635         surface = gs_cairo->cairo_image_surface_create_for_data(
1636             buffer, CAIRO_FORMAT_ARGB32, bw, bh, bw*4);
1637         wxAlphaPixelData pixData(bmpSource, wxPoint(0,0), wxSize(bw, bh));
1638         wxCHECK_RET( pixData, wxT("Failed to gain raw access to bitmap data."));
1639
1640         wxAlphaPixelData::Iterator p(pixData);
1641         int y, x;
1642         for (y=0; y<bh; y++)
1643         {
1644             wxAlphaPixelData::Iterator rowStart = p;
1645             for (x=0; x<bw; x++)
1646             {
1647                 // Each pixel in CAIRO_FORMAT_ARGB32 is a 32-bit quantity,
1648                 // with alpha in the upper 8 bits, then red, then green, then
1649                 // blue. The 32-bit quantities are stored native-endian.
1650                 // Pre-multiplied alpha is used.
1651                 unsigned char alpha = p.Alpha();
1652
1653                 if (!bmpSource.HasAlpha() && mask)
1654                     alpha = 255;
1655
1656                 if (alpha == 0)
1657                     *data = 0;
1658                 else
1659                     *data = ( alpha                  << 24
1660                               | (p.Red() * alpha/255)    << 16
1661                               | (p.Green() * alpha/255)  <<  8
1662                               | (p.Blue() * alpha/255) );
1663                 ++data;
1664                 ++p;
1665             }
1666             p = rowStart;
1667             p.OffsetY(pixData, 1);
1668         }
1669     }
1670     else  // no alpha
1671     {
1672         surface = gs_cairo->cairo_image_surface_create_for_data(
1673             buffer, CAIRO_FORMAT_RGB24, bw, bh, bw*4);
1674         wxNativePixelData pixData(bmpSource, wxPoint(0,0), wxSize(bw, bh));
1675         wxCHECK_RET( pixData, wxT("Failed to gain raw access to bitmap data."));
1676
1677         wxNativePixelData::Iterator p(pixData);
1678         int y, x;
1679         for (y=0; y<bh; y++)
1680         {
1681             wxNativePixelData::Iterator rowStart = p;
1682             for (x=0; x<bw; x++)
1683             {
1684                 // Each pixel in CAIRO_FORMAT_RGB24 is a 32-bit quantity, with
1685                 // the upper 8 bits unused. Red, Green, and Blue are stored in
1686                 // the remaining 24 bits in that order.  The 32-bit quantities
1687                 // are stored native-endian.
1688                 *data = ( p.Red() << 16 | p.Green() << 8 | p.Blue() );
1689                 ++data;
1690                 ++p;
1691             }
1692             p = rowStart;
1693             p.OffsetY(pixData, 1);
1694         }
1695     }
1696
1697
1698     gs_cairo->cairo_save(m_cairo);
1699
1700     // Prepare to draw the image.
1701     gs_cairo->cairo_translate(m_cairo, x, y);
1702
1703     // Scale the image
1704     cairo_filter_t filter = CAIRO_FILTER_BILINEAR;
1705     cairo_pattern_t* pattern = cairo_pattern_create_for_surface(surface);
1706     cairo_pattern_set_filter(pattern,filter);
1707     wxDouble scaleX = (wxDouble) XLOG2DEVREL(bw) / (wxDouble) bw;
1708     wxDouble scaleY = (wxDouble) YLOG2DEVREL(bh) / (wxDouble) bh;
1709     cairo_scale(m_cairo, scaleX, scaleY);
1710
1711     gs_cairo->cairo_set_source(m_cairo, pattern);
1712     // Use the original size here since the context is scaled already.
1713     gs_cairo->cairo_rectangle(m_cairo, 0, 0, bw, bh);
1714     // Fill the rectangle using the pattern.
1715     gs_cairo->cairo_fill(m_cairo);
1716
1717     // Clean up.
1718     gs_cairo->cairo_pattern_destroy(pattern);
1719     gs_cairo->cairo_surface_destroy(surface);
1720     delete [] buffer;
1721
1722     CalcBoundingBox(0,0);
1723     CalcBoundingBox(bw,bh);
1724
1725     gs_cairo->cairo_restore(m_cairo);
1726 }
1727
1728 void wxGtkPrintDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y )
1729 {
1730     DoDrawRotatedText( text, x, y, 0.0 );
1731 }
1732
1733 void wxGtkPrintDC::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
1734 {
1735     double xx = XLOG2DEV(x);
1736     double yy = YLOG2DEV(y);
1737
1738     angle = -angle;
1739
1740     bool underlined = m_font.Ok() && m_font.GetUnderlined();
1741
1742     const wxUTF8Buf data = text.utf8_str();
1743
1744     size_t datalen = strlen(data);
1745     pango_layout_set_text( m_layout, data, datalen);
1746
1747     if (underlined)
1748     {
1749         PangoAttrList *attrs = pango_attr_list_new();
1750         PangoAttribute *a = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
1751         a->start_index = 0;
1752         a->end_index = datalen;
1753         pango_attr_list_insert(attrs, a);
1754         pango_layout_set_attributes(m_layout, attrs);
1755         pango_attr_list_unref(attrs);
1756     }
1757
1758     if (m_textForegroundColour.Ok())
1759     {
1760         unsigned char red = m_textForegroundColour.Red();
1761         unsigned char blue = m_textForegroundColour.Blue();
1762         unsigned char green = m_textForegroundColour.Green();
1763         unsigned char alpha = m_textForegroundColour.Alpha();
1764
1765         if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue && alpha == m_currentAlpha))
1766         {
1767             double redPS = (double)(red) / 255.0;
1768             double bluePS = (double)(blue) / 255.0;
1769             double greenPS = (double)(green) / 255.0;
1770             double alphaPS = (double)(alpha) / 255.0;
1771
1772             gs_cairo->cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1773
1774             m_currentRed = red;
1775             m_currentBlue = blue;
1776             m_currentGreen = green;
1777             m_currentAlpha = alpha;
1778         }
1779     }
1780
1781     int w,h;
1782
1783     // Scale font description.
1784     gint oldSize = pango_font_description_get_size( m_fontdesc );
1785     double size = oldSize;
1786     size = size * m_scaleX;
1787     pango_font_description_set_size( m_fontdesc, (gint)size );
1788
1789     // Actually apply scaled font.
1790     pango_layout_set_font_description( m_layout, m_fontdesc );
1791
1792     pango_layout_get_pixel_size( m_layout, &w, &h );
1793
1794         if ( m_backgroundMode == wxSOLID )
1795         {
1796             unsigned char red = m_textBackgroundColour.Red();
1797             unsigned char blue = m_textBackgroundColour.Blue();
1798             unsigned char green = m_textBackgroundColour.Green();
1799             unsigned char alpha = m_textBackgroundColour.Alpha();
1800
1801             double redPS = (double)(red) / 255.0;
1802             double bluePS = (double)(blue) / 255.0;
1803             double greenPS = (double)(green) / 255.0;
1804             double alphaPS = (double)(alpha) / 255.0;
1805
1806             gs_cairo->cairo_save(m_cairo);
1807             gs_cairo->cairo_translate(m_cairo, xx, yy);
1808             gs_cairo->cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1809             gs_cairo->cairo_rotate(m_cairo,angle*DEG2RAD);
1810             gs_cairo->cairo_rectangle(m_cairo, 0, 0, w, h);   // still in cairo units
1811             gs_cairo->cairo_fill(m_cairo);
1812             gs_cairo->cairo_restore(m_cairo);
1813         }
1814
1815     // Draw layout.
1816     gs_cairo->cairo_move_to (m_cairo, xx, yy);
1817
1818     gs_cairo->cairo_save( m_cairo );
1819
1820     if (fabs(angle) > 0.00001)
1821         gs_cairo->cairo_rotate( m_cairo, angle*DEG2RAD );
1822
1823     gs_cairo->pango_cairo_update_layout (m_cairo, m_layout);
1824     gs_cairo->pango_cairo_show_layout (m_cairo, m_layout);
1825
1826     gs_cairo->cairo_restore( m_cairo );
1827
1828     if (underlined)
1829     {
1830         // Undo underline attributes setting
1831         pango_layout_set_attributes(m_layout, NULL);
1832     }
1833
1834     // Reset unscaled size.
1835     pango_font_description_set_size( m_fontdesc, oldSize );
1836
1837     // Actually apply unscaled font.
1838     pango_layout_set_font_description( m_layout, m_fontdesc );
1839
1840     // Back to device units:
1841     CalcBoundingBox (x, y);
1842     CalcBoundingBox (x + w, y + h);
1843 }
1844
1845 void wxGtkPrintDC::Clear()
1846 {
1847 // Clear does nothing for printing, but keep the code
1848 // for later reuse
1849 /*
1850     gs_cairo->cairo_save(m_cairo);
1851     gs_cairo->cairo_set_operator (m_cairo, CAIRO_OPERATOR_SOURCE);
1852     SetBrush(m_backgroundBrush);
1853     gs_cairo->cairo_paint(m_cairo);
1854     gs_cairo->cairo_restore(m_cairo);
1855 */
1856 }
1857
1858 void wxGtkPrintDC::SetFont( const wxFont& font )
1859 {
1860     m_font = font;
1861
1862     if (m_font.Ok())
1863     {
1864         if (m_fontdesc)
1865             pango_font_description_free( m_fontdesc );
1866
1867         m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description ); // m_fontdesc is now set to device units
1868
1869         // Scale font description from device units to pango units
1870         gint oldSize = pango_font_description_get_size( m_fontdesc );
1871         double size = oldSize *m_DEV2PS;                          // scale to cairo units
1872         pango_font_description_set_size( m_fontdesc, (gint)size );    // apply to description
1873
1874         // Actually apply scaled font.
1875         pango_layout_set_font_description( m_layout, m_fontdesc );
1876     }
1877 }
1878
1879 void wxGtkPrintDC::SetPen( const wxPen& pen )
1880 {
1881     if (!pen.Ok()) return;
1882
1883     m_pen = pen;
1884
1885     double width;
1886
1887     if (m_pen.GetWidth() <= 0)
1888         width = 0.1;
1889     else
1890         width = (double) m_pen.GetWidth();
1891
1892     gs_cairo->cairo_set_line_width( m_cairo, width * m_DEV2PS * m_scaleX );
1893     static const double dotted[] = {2.0, 5.0};
1894     static const double short_dashed[] = {4.0, 4.0};
1895     static const double long_dashed[] = {4.0, 8.0};
1896     static const double dotted_dashed[] = {6.0, 6.0, 2.0, 6.0};
1897
1898     switch (m_pen.GetStyle())
1899     {
1900         case wxDOT:           gs_cairo->cairo_set_dash( m_cairo, dotted, 2, 0 ); break;
1901         case wxSHORT_DASH:    gs_cairo->cairo_set_dash( m_cairo, short_dashed, 2, 0 ); break;
1902         case wxLONG_DASH:     gs_cairo->cairo_set_dash( m_cairo, long_dashed, 2, 0 ); break;
1903         case wxDOT_DASH:      gs_cairo->cairo_set_dash( m_cairo, dotted_dashed, 4, 0 );  break;
1904         case wxUSER_DASH:
1905         {
1906             wxDash *wx_dashes;
1907             int num = m_pen.GetDashes (&wx_dashes);
1908             gdouble *g_dashes = g_new( gdouble, num );
1909             int i;
1910             for (i = 0; i < num; ++i)
1911                 g_dashes[i] = (gdouble) wx_dashes[i];
1912             gs_cairo->cairo_set_dash( m_cairo, g_dashes, num, 0);
1913             g_free( g_dashes );
1914         }
1915         break;
1916         case wxSOLID:
1917         case wxTRANSPARENT:
1918         default:              gs_cairo->cairo_set_dash( m_cairo, NULL, 0, 0 );   break;
1919     }
1920
1921     switch (m_pen.GetCap())
1922     {
1923         case wxCAP_PROJECTING:  gs_cairo->cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_SQUARE); break;
1924         case wxCAP_BUTT:        gs_cairo->cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_BUTT); break;
1925         case wxCAP_ROUND:
1926         default:                gs_cairo->cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_ROUND); break;
1927     }
1928
1929     switch (m_pen.GetJoin())
1930     {
1931         case wxJOIN_BEVEL:  gs_cairo->cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_BEVEL); break;
1932         case wxJOIN_MITER:  gs_cairo->cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_MITER); break;
1933         case wxJOIN_ROUND:
1934         default:            gs_cairo->cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_ROUND); break;
1935     }
1936
1937     unsigned char red = m_pen.GetColour().Red();
1938     unsigned char blue = m_pen.GetColour().Blue();
1939     unsigned char green = m_pen.GetColour().Green();
1940     unsigned char alpha = m_pen.GetColour().Alpha();
1941
1942     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue && alpha == m_currentAlpha))
1943     {
1944         double redPS = (double)(red) / 255.0;
1945         double bluePS = (double)(blue) / 255.0;
1946         double greenPS = (double)(green) / 255.0;
1947         double alphaPS = (double)(alpha) / 255.0;
1948
1949         gs_cairo->cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1950
1951         m_currentRed = red;
1952         m_currentBlue = blue;
1953         m_currentGreen = green;
1954         m_currentAlpha = alpha;
1955     }
1956 }
1957
1958 void wxGtkPrintDC::SetBrush( const wxBrush& brush )
1959 {
1960     if (!brush.Ok()) return;
1961
1962     m_brush = brush;
1963
1964     if (m_brush.GetStyle() == wxTRANSPARENT)
1965     {
1966         gs_cairo->cairo_set_source_rgba( m_cairo, 0, 0, 0, 0 );
1967         m_currentRed = 0;
1968         m_currentBlue = 0;
1969         m_currentGreen = 0;
1970         m_currentAlpha = 0;
1971         return;
1972     }
1973
1974     // Brush colour.
1975     unsigned char red = m_brush.GetColour().Red();
1976     unsigned char blue = m_brush.GetColour().Blue();
1977     unsigned char green = m_brush.GetColour().Green();
1978     unsigned char alpha = m_brush.GetColour().Alpha();
1979
1980     double redPS = (double)(red) / 255.0;
1981     double bluePS = (double)(blue) / 255.0;
1982     double greenPS = (double)(green) / 255.0;
1983     double alphaPS = (double)(alpha) / 255.0;
1984
1985     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue && alpha == m_currentAlpha))
1986     {
1987         gs_cairo->cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1988
1989         m_currentRed = red;
1990         m_currentBlue = blue;
1991         m_currentGreen = green;
1992         m_currentAlpha = alpha;
1993     }
1994
1995     if (m_brush.IsHatch())
1996     {
1997         cairo_t * cr;
1998         cairo_surface_t *surface;
1999         surface = gs_cairo->cairo_surface_create_similar(gs_cairo->cairo_get_target(m_cairo),CAIRO_CONTENT_COLOR_ALPHA,10,10);
2000         cr = gs_cairo->cairo_create(surface);
2001         gs_cairo->cairo_set_line_cap(cr, CAIRO_LINE_CAP_SQUARE);
2002         gs_cairo->cairo_set_line_width(cr, 1);
2003         gs_cairo->cairo_set_line_join(cr,CAIRO_LINE_JOIN_MITER);
2004
2005         switch (m_brush.GetStyle())
2006         {
2007             case wxCROSS_HATCH:
2008                 gs_cairo->cairo_move_to(cr, 5, 0);
2009                 gs_cairo->cairo_line_to(cr, 5, 10);
2010                 gs_cairo->cairo_move_to(cr, 0, 5);
2011                 gs_cairo->cairo_line_to(cr, 10, 5);
2012                 break;
2013             case wxBDIAGONAL_HATCH:
2014                 gs_cairo->cairo_move_to(cr, 0, 10);
2015                 gs_cairo->cairo_line_to(cr, 10, 0);
2016                 break;
2017             case wxFDIAGONAL_HATCH:
2018                 gs_cairo->cairo_move_to(cr, 0, 0);
2019                 gs_cairo->cairo_line_to(cr, 10, 10);
2020                 break;
2021             case wxCROSSDIAG_HATCH:
2022                 gs_cairo->cairo_move_to(cr, 0, 0);
2023                 gs_cairo->cairo_line_to(cr, 10, 10);
2024                 gs_cairo->cairo_move_to(cr, 10, 0);
2025                 gs_cairo->cairo_line_to(cr, 0, 10);
2026                 break;
2027             case wxHORIZONTAL_HATCH:
2028                 gs_cairo->cairo_move_to(cr, 0, 5);
2029                 gs_cairo->cairo_line_to(cr, 10, 5);
2030                 break;
2031             case wxVERTICAL_HATCH:
2032                 gs_cairo->cairo_move_to(cr, 5, 0);
2033                 gs_cairo->cairo_line_to(cr, 5, 10);
2034                 break;
2035             default:
2036                 wxFAIL_MSG(_("Couldn't get hatch style from wxBrush."));
2037         }
2038
2039         gs_cairo->cairo_set_source_rgba(cr, redPS, greenPS, bluePS, alphaPS);
2040         gs_cairo->cairo_stroke (cr);
2041
2042         gs_cairo->cairo_destroy(cr);
2043         cairo_pattern_t * pattern = gs_cairo->cairo_pattern_create_for_surface (surface);
2044         gs_cairo->cairo_surface_destroy(surface);
2045         gs_cairo->cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT);
2046         gs_cairo->cairo_set_source(m_cairo, pattern);
2047         gs_cairo->cairo_pattern_destroy(pattern);
2048     }
2049 }
2050
2051 void wxGtkPrintDC::SetLogicalFunction( int function )
2052 {
2053     if (function == wxCLEAR)
2054         gs_cairo->cairo_set_operator (m_cairo, CAIRO_OPERATOR_CLEAR);
2055     else if (function == wxOR)
2056         gs_cairo->cairo_set_operator (m_cairo, CAIRO_OPERATOR_OUT);
2057     else if (function == wxNO_OP)
2058         gs_cairo->cairo_set_operator (m_cairo, CAIRO_OPERATOR_DEST);
2059     else if (function == wxAND)
2060         gs_cairo->cairo_set_operator (m_cairo, CAIRO_OPERATOR_ADD);
2061     else if (function == wxSET)
2062         gs_cairo->cairo_set_operator (m_cairo, CAIRO_OPERATOR_SATURATE);
2063     else if (function == wxXOR)
2064         gs_cairo->cairo_set_operator (m_cairo, CAIRO_OPERATOR_XOR);
2065     else // wxCOPY or anything else.
2066         gs_cairo->cairo_set_operator (m_cairo, CAIRO_OPERATOR_SOURCE);
2067 }
2068
2069 void wxGtkPrintDC::SetBackground( const wxBrush& brush )
2070 {
2071     m_backgroundBrush = brush;
2072     gs_cairo->cairo_save(m_cairo);
2073     gs_cairo->cairo_set_operator (m_cairo, CAIRO_OPERATOR_DEST_OVER);
2074
2075     SetBrush(m_backgroundBrush);
2076     gs_cairo->cairo_paint(m_cairo);
2077     gs_cairo->cairo_restore(m_cairo);
2078 }
2079
2080 void wxGtkPrintDC::SetBackgroundMode(int mode)
2081 {
2082     if (mode == wxSOLID)
2083         m_backgroundMode = wxSOLID;
2084     else
2085         m_backgroundMode = wxTRANSPARENT;
2086 }
2087
2088 void wxGtkPrintDC::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
2089 {
2090     gs_cairo->cairo_rectangle ( m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(width), YLOG2DEVREL(height));
2091     gs_cairo->cairo_clip(m_cairo);
2092 }
2093
2094 void wxGtkPrintDC::DestroyClippingRegion()
2095 {
2096     gs_cairo->cairo_reset_clip(m_cairo);
2097 }
2098
2099 bool wxGtkPrintDC::StartDoc(const wxString& WXUNUSED(message))
2100 {
2101     return true;
2102 }
2103
2104 void wxGtkPrintDC::EndDoc()
2105 {
2106     return;
2107 }
2108
2109 void wxGtkPrintDC::StartPage()
2110 {
2111     return;
2112 }
2113
2114 void wxGtkPrintDC::EndPage()
2115 {
2116     return;
2117 }
2118
2119 wxCoord wxGtkPrintDC::GetCharHeight() const
2120 {
2121     pango_layout_set_text( m_layout, "H", 1 );
2122
2123     int w,h;
2124     pango_layout_get_pixel_size( m_layout, &w, &h );
2125
2126     return wxRound( h * m_PS2DEV );
2127 }
2128
2129 wxCoord wxGtkPrintDC::GetCharWidth() const
2130 {
2131     pango_layout_set_text( m_layout, "H", 1 );
2132
2133     int w,h;
2134     pango_layout_get_pixel_size( m_layout, &w, &h );
2135
2136     return wxRound( w * m_PS2DEV );
2137 }
2138
2139 void wxGtkPrintDC::DoGetTextExtent(const wxString& string, wxCoord *width, wxCoord *height,
2140                      wxCoord *descent,
2141                      wxCoord *externalLeading,
2142                      const wxFont *theFont ) const
2143 {
2144     if ( width )
2145         *width = 0;
2146     if ( height )
2147         *height = 0;
2148     if ( descent )
2149         *descent = 0;
2150     if ( externalLeading )
2151         *externalLeading = 0;
2152
2153     if (string.empty())
2154     {
2155         return;
2156     }
2157
2158     // Set layout's text
2159     const wxUTF8Buf dataUTF8 = string.utf8_str();
2160
2161     PangoFontDescription *desc = m_fontdesc;
2162     if (theFont) desc = theFont->GetNativeFontInfo()->description;
2163
2164     gint oldSize = pango_font_description_get_size( desc );
2165     double size = oldSize;
2166     size = size * m_scaleY;
2167     pango_font_description_set_size( desc, (gint)size );
2168
2169     // apply scaled font
2170     pango_layout_set_font_description( m_layout, desc );
2171
2172     pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
2173
2174     int w, h;
2175     pango_layout_get_pixel_size( m_layout, &w, &h );
2176
2177     if (width)
2178         *width = wxRound( (double)w / m_scaleX * m_PS2DEV );
2179     if (height)
2180         *height = wxRound( (double)h / m_scaleY * m_PS2DEV );
2181
2182     if (descent)
2183     {
2184         PangoLayoutIter *iter = pango_layout_get_iter(m_layout);
2185         int baseline = pango_layout_iter_get_baseline(iter);
2186         pango_layout_iter_free(iter);
2187         *descent = wxRound( (h - PANGO_PIXELS(baseline)) * m_PS2DEV );
2188     }
2189
2190     // Reset unscaled size.
2191     pango_font_description_set_size( desc, oldSize );
2192
2193     // Reset unscaled font.
2194     pango_layout_set_font_description( m_layout, m_fontdesc );
2195 }
2196
2197 void wxGtkPrintDC::DoGetSize(int* width, int* height) const
2198 {
2199     GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc );
2200
2201     if (width)
2202         *width = wxRound( gtk_page_setup_get_paper_width( setup, GTK_UNIT_POINTS ) * m_PS2DEV );
2203     if (height)
2204         *height = wxRound( gtk_page_setup_get_paper_height( setup, GTK_UNIT_POINTS ) * m_PS2DEV );
2205 }
2206
2207 void wxGtkPrintDC::DoGetSizeMM(int *width, int *height) const
2208 {
2209     GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc );
2210
2211     if (width)
2212         *width = wxRound( gtk_page_setup_get_paper_width( setup, GTK_UNIT_MM ) );
2213     if (height)
2214         *height = wxRound( gtk_page_setup_get_paper_height( setup, GTK_UNIT_MM ) );
2215 }
2216
2217 wxSize wxGtkPrintDC::GetPPI() const
2218 {
2219     return wxSize( (int)m_resolution, (int)m_resolution );
2220 }
2221
2222 void wxGtkPrintDC::SetPrintData(const wxPrintData& data)
2223 {
2224     m_printData = data;
2225 }
2226
2227 void wxGtkPrintDC::SetResolution(int WXUNUSED(ppi))
2228 {
2229     // We can't change ppi of the GtkPrintContext.
2230     // TODO: should we really support this?
2231 }
2232
2233 int wxGtkPrintDC::GetResolution()
2234 {
2235     return m_resolution;
2236 }
2237
2238 // ----------------------------------------------------------------------------
2239 // Print preview
2240 // ----------------------------------------------------------------------------
2241
2242 IMPLEMENT_CLASS(wxGtkPrintPreview, wxPrintPreviewBase)
2243
2244 void wxGtkPrintPreview::Init(wxPrintout * WXUNUSED(printout),
2245                                     wxPrintout * WXUNUSED(printoutForPrinting))
2246 {
2247     DetermineScaling();
2248 }
2249
2250 wxGtkPrintPreview::wxGtkPrintPreview(wxPrintout *printout,
2251                                                    wxPrintout *printoutForPrinting,
2252                                                    wxPrintDialogData *data)
2253                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
2254 {
2255     Init(printout, printoutForPrinting);
2256 }
2257
2258 wxGtkPrintPreview::wxGtkPrintPreview(wxPrintout *printout,
2259                                                    wxPrintout *printoutForPrinting,
2260                                                    wxPrintData *data)
2261                         : wxPrintPreviewBase(printout, printoutForPrinting, data)
2262 {
2263     Init(printout, printoutForPrinting);
2264 }
2265
2266 wxGtkPrintPreview::~wxGtkPrintPreview()
2267 {
2268 }
2269
2270 bool wxGtkPrintPreview::Print(bool interactive)
2271 {
2272     if (!m_printPrintout)
2273         return false;
2274
2275     wxPrinter printer(& m_printDialogData);
2276     return printer.Print(m_previewFrame, m_printPrintout, interactive);
2277 }
2278
2279 void wxGtkPrintPreview::DetermineScaling()
2280 {
2281     wxPaperSize paperType = m_printDialogData.GetPrintData().GetPaperId();
2282
2283     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType);
2284     if (!paper)
2285         paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
2286
2287     if (paper)
2288     {
2289         wxSize ScreenPixels = wxGetDisplaySize();
2290         wxSize ScreenMM = wxGetDisplaySizeMM();
2291
2292         m_previewPrintout->SetPPIScreen( (int) ((ScreenPixels.GetWidth() * 25.4) / ScreenMM.GetWidth()),
2293                                          (int) ((ScreenPixels.GetHeight() * 25.4) / ScreenMM.GetHeight()) );
2294
2295         // TODO !!!!!!!!!!!!!!!
2296         int resolution = 600;
2297         m_previewPrintout->SetPPIPrinter( resolution, resolution );
2298
2299         // Get width and height in points (1/72th of an inch)
2300         wxSize sizeDevUnits(paper->GetSizeDeviceUnits());
2301
2302         sizeDevUnits.x = wxRound((double)sizeDevUnits.x * (double)resolution / 72.0);
2303         sizeDevUnits.y = wxRound((double)sizeDevUnits.y * (double)resolution / 72.0);
2304         wxSize sizeTenthsMM(paper->GetSize());
2305         wxSize sizeMM(sizeTenthsMM.x / 10, sizeTenthsMM.y / 10);
2306
2307         // If in landscape mode, we need to swap the width and height.
2308         if ( m_printDialogData.GetPrintData().GetOrientation() == wxLANDSCAPE )
2309         {
2310             m_pageWidth = sizeDevUnits.y;
2311             m_pageHeight = sizeDevUnits.x;
2312             m_previewPrintout->SetPageSizeMM(sizeMM.y, sizeMM.x);
2313         }
2314         else
2315         {
2316             m_pageWidth = sizeDevUnits.x;
2317             m_pageHeight = sizeDevUnits.y;
2318             m_previewPrintout->SetPageSizeMM(sizeMM.x, sizeMM.y);
2319         }
2320         m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
2321         m_previewPrintout->SetPaperRectPixels(wxRect(0, 0, m_pageWidth, m_pageHeight));
2322
2323         // At 100%, the page should look about page-size on the screen.
2324         m_previewScaleX = 0.8 * 72.0 / (double)resolution;
2325         m_previewScaleY = m_previewScaleX;
2326     }
2327 }
2328
2329 #endif
2330      // wxUSE_GTKPRINT