src/gtk/print.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/print.cpp
   3 // Author:      Anthony Bretaudeau
   4 // Purpose:     GTK printing support
   5 // Created:     2007-08-25
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2007 wxWidgets development team
   8 // Licence:     wxWindows Licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx/wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15 #pragma hdrstop
  16 #endif
  17
  18 #if wxUSE_GTKPRINT
  19
  20 #include "wx/gtk/print.h"
  21
  22 #ifndef WX_PRECOMP
  23 #include "wx/log.h"
  24 #include "wx/dcmemory.h"
  25 #include "wx/dcprint.h"
  26 #include "wx/icon.h"
  27 #include "wx/math.h"
  28 #include "wx/image.h"
  29 #include "wx/module.h"
  30 #include "wx/crt.h"
  31 #endif
  32
  33 #include "wx/fontutil.h"
  34 #include "wx/dynlib.h"
  35 #include "wx/paper.h"
  36 #include "wx/scopeguard.h"
  37
  38 #include <gtk/gtk.h>
  39
  40 #if GTK_CHECK_VERSION(2,14,0)
  41 #include <gtk/gtkunixprint.h>
  42 #else
  43 #include <gtk/gtkpagesetupunixdialog.h>
  44 #endif
  45
  46
  47 #if wxUSE_GRAPHICS_CONTEXT
  48 #include "wx/graphics.h"
  49 #endif
  50
  51 #include "wx/link.h"
  52 wxFORCE_LINK_THIS_MODULE(gtk_print)
  53
  54 #if wxUSE_LIBGNOMEPRINT
  55 #include "wx/gtk/gnome/gprint.h"
  56 #endif
  57
  58 #include "wx/gtk/private/object.h"
  59
  60 // Useful to convert angles from/to Rad to/from Deg.
  61 static const double RAD2DEG  = 180.0 / M_PI;
  62 static const double DEG2RAD  = M_PI / 180.0;
  63
  64 //----------------------------------------------------------------------------
  65 // wxGtkPrintModule
  66 // Initialized when starting the app : if it successfully load the gtk-print framework,
  67 // it uses it. If not, it falls back to gnome print (see /gtk/gnome/gprint.cpp) then
  68 // to postscript if gnomeprint is not available.
  69 //----------------------------------------------------------------------------
  70
  71 class wxGtkPrintModule: public wxModule
  72 {
  73 public:
  74     wxGtkPrintModule()
  75     {
  76 #if wxUSE_LIBGNOMEPRINT
  77         // This module must be initialized AFTER gnomeprint's one
  78         AddDependency(wxCLASSINFO(wxGnomePrintModule));
  79 #endif
  80     }
  81     bool OnInit();
  82     void OnExit() {}
  83
  84 private:
  85     DECLARE_DYNAMIC_CLASS(wxGtkPrintModule)
  86 };
  87
  88 bool wxGtkPrintModule::OnInit()
  89 {
  90 #ifndef __WXGTK3__
  91     if (gtk_check_version(2,10,0) == NULL)
  92 #endif
  93     {
  94         wxPrintFactory::SetPrintFactory( new wxGtkPrintFactory );
  95     }
  96     return true;
  97 }
  98
  99 IMPLEMENT_DYNAMIC_CLASS(wxGtkPrintModule, wxModule)
 100
 101 //----------------------------------------------------------------------------
 102 // wxGtkPrintFactory
 103 //----------------------------------------------------------------------------
 104
 105 wxPrinterBase* wxGtkPrintFactory::CreatePrinter( wxPrintDialogData *data )
 106 {
 107     return new wxGtkPrinter( data );
 108 }
 109
 110 wxPrintPreviewBase *wxGtkPrintFactory::CreatePrintPreview( wxPrintout *preview,
 111                                                     wxPrintout *printout,
 112                                                     wxPrintDialogData *data )
 113 {
 114     return new wxGtkPrintPreview( preview, printout, data );
 115 }
 116
 117 wxPrintPreviewBase *wxGtkPrintFactory::CreatePrintPreview( wxPrintout *preview,
 118                                                     wxPrintout *printout,
 119                                                     wxPrintData *data )
 120 {
 121     return new wxGtkPrintPreview( preview, printout, data );
 122 }
 123
 124 wxPrintDialogBase *wxGtkPrintFactory::CreatePrintDialog( wxWindow *parent,
 125                                                   wxPrintDialogData *data )
 126 {
 127     return new wxGtkPrintDialog( parent, data );
 128 }
 129
 130 wxPrintDialogBase *wxGtkPrintFactory::CreatePrintDialog( wxWindow *parent,
 131                                                   wxPrintData *data )
 132 {
 133     return new wxGtkPrintDialog( parent, data );
 134 }
 135
 136 wxPageSetupDialogBase *wxGtkPrintFactory::CreatePageSetupDialog( wxWindow *parent,
 137                                                           wxPageSetupDialogData * data )
 138 {
 139     return new wxGtkPageSetupDialog( parent, data );
 140 }
 141
 142 bool wxGtkPrintFactory::HasPrintSetupDialog()
 143 {
 144     return false;
 145 }
 146
 147 wxDialog *
 148 wxGtkPrintFactory::CreatePrintSetupDialog(wxWindow * WXUNUSED(parent),
 149                                           wxPrintData * WXUNUSED(data))
 150 {
 151     return NULL;
 152 }
 153
 154 wxDCImpl* wxGtkPrintFactory::CreatePrinterDCImpl( wxPrinterDC *owner, const wxPrintData& data )
 155 {
 156     return new wxGtkPrinterDCImpl( owner, data );
 157 }
 158
 159 bool wxGtkPrintFactory::HasOwnPrintToFile()
 160 {
 161     return true;
 162 }
 163
 164 bool wxGtkPrintFactory::HasPrinterLine()
 165 {
 166     return true;
 167 }
 168
 169 wxString wxGtkPrintFactory::CreatePrinterLine()
 170 {
 171     // redundant now
 172     return wxEmptyString;
 173 }
 174
 175 bool wxGtkPrintFactory::HasStatusLine()
 176 {
 177     // redundant now
 178     return true;
 179 }
 180
 181 wxString wxGtkPrintFactory::CreateStatusLine()
 182 {
 183     // redundant now
 184     return wxEmptyString;
 185 }
 186
 187 wxPrintNativeDataBase *wxGtkPrintFactory::CreatePrintNativeData()
 188 {
 189     return new wxGtkPrintNativeData;
 190 }
 191
 192 //----------------------------------------------------------------------------
 193 // Callback functions for Gtk Printings.
 194 //----------------------------------------------------------------------------
 195
 196 // We use it to pass useful objects to GTK printing callback functions.
 197 struct wxPrinterToGtkData
 198 {
 199    wxGtkPrinter * printer;
 200    wxPrintout * printout;
 201 };
 202
 203 extern "C"
 204 {
 205     static void gtk_begin_print_callback (GtkPrintOperation *operation, GtkPrintContext *context, gpointer user_data)
 206     {
 207         wxPrinterToGtkData *data = (wxPrinterToGtkData *) user_data;
 208
 209         data->printer->BeginPrint(data->printout, operation, context);
 210     }
 211
 212     static void gtk_draw_page_print_callback (GtkPrintOperation *operation, GtkPrintContext *context, gint page_nr, gpointer user_data)
 213     {
 214         wxPrinterToGtkData *data = (wxPrinterToGtkData *) user_data;
 215
 216         data->printer->DrawPage(data->printout, operation, context, page_nr);
 217     }
 218
 219     static void gtk_end_print_callback(GtkPrintOperation * WXUNUSED(operation),
 220                                        GtkPrintContext * WXUNUSED(context),
 221                                        gpointer user_data)
 222     {
 223         wxPrintout *printout = (wxPrintout *) user_data;
 224
 225         printout->OnEndPrinting();
 226     }
 227 }
 228
 229 //----------------------------------------------------------------------------
 230 // wxGtkPrintNativeData
 231 //----------------------------------------------------------------------------
 232
 233 IMPLEMENT_CLASS(wxGtkPrintNativeData, wxPrintNativeDataBase)
 234
 235 wxGtkPrintNativeData::wxGtkPrintNativeData()
 236 {
 237     m_config = gtk_print_settings_new();
 238     m_job = NULL;
 239     m_context = NULL;
 240 }
 241
 242 wxGtkPrintNativeData::~wxGtkPrintNativeData()
 243 {
 244     g_object_unref(m_config);
 245 }
 246
 247 // Convert datas stored in m_config to a wxPrintData.
 248 // Called by wxPrintData::ConvertFromNative().
 249 bool wxGtkPrintNativeData::TransferTo( wxPrintData &data )
 250 {
 251     if(!m_config)
 252         return false;
 253
 254     int resolution = gtk_print_settings_get_resolution(m_config);
 255     if ( resolution > 0 )
 256     {
 257         // if resolution is explicitly set, use it
 258         data.SetQuality(resolution);
 259     }
 260     else // use more vague "quality"
 261     {
 262         GtkPrintQuality quality = gtk_print_settings_get_quality(m_config);
 263         if (quality == GTK_PRINT_QUALITY_HIGH)
 264             data.SetQuality(wxPRINT_QUALITY_HIGH);
 265         else if (quality == GTK_PRINT_QUALITY_LOW)
 266             data.SetQuality(wxPRINT_QUALITY_LOW);
 267         else if (quality == GTK_PRINT_QUALITY_DRAFT)
 268             data.SetQuality(wxPRINT_QUALITY_DRAFT);
 269         else
 270             data.SetQuality(wxPRINT_QUALITY_MEDIUM);
 271     }
 272
 273     data.SetNoCopies(gtk_print_settings_get_n_copies(m_config));
 274
 275     data.SetColour(gtk_print_settings_get_use_color(m_config));
 276
 277     switch (gtk_print_settings_get_duplex(m_config))
 278     {
 279         case GTK_PRINT_DUPLEX_SIMPLEX:      data.SetDuplex (wxDUPLEX_SIMPLEX);
 280                                             break;
 281
 282         case GTK_PRINT_DUPLEX_HORIZONTAL:   data.SetDuplex (wxDUPLEX_HORIZONTAL);
 283                                             break;
 284
 285         default:
 286         case GTK_PRINT_DUPLEX_VERTICAL:      data.SetDuplex (wxDUPLEX_VERTICAL);
 287                                             break;
 288     }
 289
 290     GtkPageOrientation orientation = gtk_print_settings_get_orientation (m_config);
 291     if (orientation == GTK_PAGE_ORIENTATION_PORTRAIT)
 292     {
 293         data.SetOrientation(wxPORTRAIT);
 294         data.SetOrientationReversed(false);
 295     }
 296     else if (orientation == GTK_PAGE_ORIENTATION_LANDSCAPE)
 297     {
 298         data.SetOrientation(wxLANDSCAPE);
 299         data.SetOrientationReversed(false);
 300     }
 301     else if (orientation == GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT)
 302     {
 303         data.SetOrientation(wxPORTRAIT);
 304         data.SetOrientationReversed(true);
 305     }
 306     else if (orientation == GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE)
 307     {
 308         data.SetOrientation(wxLANDSCAPE);
 309         data.SetOrientationReversed(true);
 310     }
 311
 312     data.SetCollate(gtk_print_settings_get_collate (m_config));
 313
 314     // Paper formats : these are the most common paper formats.
 315     GtkPaperSize *paper_size = gtk_print_settings_get_paper_size (m_config);
 316     if (!paper_size)
 317         data.SetPaperId(wxPAPER_NONE);
 318     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_A3)))
 319         data.SetPaperId(wxPAPER_A3);
 320     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_A4)))
 321         data.SetPaperId(wxPAPER_A4);
 322     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_A5)))
 323         data.SetPaperId(wxPAPER_A5);
 324     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_B5)))
 325         data.SetPaperId(wxPAPER_B5);
 326     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_LETTER)))
 327         data.SetPaperId(wxPAPER_LETTER);
 328     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_LEGAL)))
 329         data.SetPaperId(wxPAPER_LEGAL);
 330     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_EXECUTIVE)))
 331         data.SetPaperId(wxPAPER_EXECUTIVE);
 332     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"na_number-10")))
 333         data.SetPaperId(wxPAPER_ENV_10);
 334     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c5")))
 335         data.SetPaperId(wxPAPER_ENV_C5);
 336     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c6")))
 337         data.SetPaperId(wxPAPER_ENV_C6);
 338     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"jis-b5")))
 339         data.SetPaperId(wxPAPER_B5_TRANSVERSE);
 340     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b5")))
 341         data.SetPaperId(wxPAPER_ENV_B5);
 342     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"na_monarch")))
 343         data.SetPaperId(wxPAPER_ENV_MONARCH);
 344     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-c")))
 345         data.SetPaperId( wxPAPER_CSHEET);
 346     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-d")))
 347         data.SetPaperId( wxPAPER_DSHEET);
 348     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-e")))
 349         data.SetPaperId( wxPAPER_ESHEET);
 350     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"letter")))
 351         data.SetPaperId( wxPAPER_LETTERSMALL);
 352     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-b")))
 353         data.SetPaperId( wxPAPER_TABLOID);
 354     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"ledger")))
 355         data.SetPaperId( wxPAPER_LEDGER);
 356     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"statement")))
 357         data.SetPaperId( wxPAPER_STATEMENT);
 358     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( GTK_PAPER_NAME_A4 )))
 359         data.SetPaperId( wxPAPER_A4SMALL);
 360     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b4")))
 361         data.SetPaperId( wxPAPER_B4);
 362     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"folio")))
 363         data.SetPaperId( wxPAPER_FOLIO);
 364     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"quarto")))
 365         data.SetPaperId( wxPAPER_QUARTO);
 366     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"10x14")))
 367         data.SetPaperId( wxPAPER_10X14);
 368     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"ledger")))
 369         data.SetPaperId( wxPAPER_11X17);
 370     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"letter")))
 371         data.SetPaperId( wxPAPER_NOTE);
 372     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"na-number-9-envelope")))
 373         data.SetPaperId( wxPAPER_ENV_9);
 374     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"number-11")))
 375         data.SetPaperId( wxPAPER_ENV_11);
 376     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"number-12")))
 377         data.SetPaperId( wxPAPER_ENV_12);
 378     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"number-14")))
 379         data.SetPaperId( wxPAPER_ENV_14);
 380     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-designated")))
 381         data.SetPaperId( wxPAPER_ENV_DL);
 382     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c3")))
 383         data.SetPaperId( wxPAPER_ENV_C3);
 384     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c4")))
 385         data.SetPaperId( wxPAPER_ENV_C4);
 386     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"c6/c5")))
 387         data.SetPaperId( wxPAPER_ENV_C65);
 388     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b4")))
 389         data.SetPaperId( wxPAPER_ENV_B4);
 390     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b6")))
 391             data.SetPaperId( wxPAPER_ENV_B6);
 392     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"Italian")))
 393         data.SetPaperId( wxPAPER_ENV_ITALY);
 394     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"personal")))
 395         data.SetPaperId( wxPAPER_ENV_PERSONAL);
 396     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"fanfold-us")))
 397         data.SetPaperId( wxPAPER_FANFOLD_US);
 398     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"fanfold-European")))
 399         data.SetPaperId( wxPAPER_FANFOLD_STD_GERMAN);
 400     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"foolscap")))
 401         data.SetPaperId( wxPAPER_FANFOLD_LGL_GERMAN);
 402     else
 403         data.SetPaperId(wxPAPER_NONE);
 404
 405     data.SetPrinterName(gtk_print_settings_get_printer(m_config));
 406
 407     return true;
 408 }
 409
 410 // Put datas given by the wxPrintData into m_config.
 411 // Called by wxPrintData::ConvertToNative().
 412 bool wxGtkPrintNativeData::TransferFrom( const wxPrintData &data )
 413 {
 414     if(!m_config)
 415         return false;
 416
 417     wxPrintQuality quality = data.GetQuality();
 418     if (quality == wxPRINT_QUALITY_HIGH)
 419         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_HIGH);
 420     else if (quality == wxPRINT_QUALITY_MEDIUM)
 421         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_NORMAL);
 422     else if (quality == wxPRINT_QUALITY_LOW)
 423         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_LOW);
 424     else if (quality == wxPRINT_QUALITY_DRAFT)
 425         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_DRAFT);
 426     else if (quality > 1)
 427         gtk_print_settings_set_resolution (m_config, quality);
 428     else
 429         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_NORMAL);
 430
 431     gtk_print_settings_set_n_copies(m_config, data.GetNoCopies());
 432
 433     gtk_print_settings_set_use_color(m_config, data.GetColour());
 434
 435     switch (data.GetDuplex())
 436     {
 437         case wxDUPLEX_SIMPLEX:      gtk_print_settings_set_duplex (m_config, GTK_PRINT_DUPLEX_SIMPLEX);
 438                                 break;
 439
 440         case wxDUPLEX_HORIZONTAL:   gtk_print_settings_set_duplex (m_config, GTK_PRINT_DUPLEX_HORIZONTAL);
 441                                 break;
 442
 443         default:
 444         case wxDUPLEX_VERTICAL:      gtk_print_settings_set_duplex (m_config, GTK_PRINT_DUPLEX_VERTICAL);
 445                                 break;
 446     }
 447
 448     if (!data.IsOrientationReversed())
 449     {
 450         if (data.GetOrientation() == wxLANDSCAPE)
 451             gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_LANDSCAPE);
 452         else
 453             gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_PORTRAIT);
 454     }
 455     else {
 456         if (data.GetOrientation() == wxLANDSCAPE)
 457             gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE);
 458         else
 459             gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT);
 460     }
 461
 462     gtk_print_settings_set_collate (m_config, data.GetCollate());
 463
 464     // Paper formats: these are the most common paper formats.
 465     switch (data.GetPaperId())
 466     {
 467         case wxPAPER_A3:        gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A3));
 468                                 break;
 469         case wxPAPER_A4:        gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A4));
 470                                 break;
 471         case wxPAPER_A5:        gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A5));
 472                                 break;
 473         case wxPAPER_B5_TRANSVERSE:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "jis-b5"));
 474                                 break;
 475         case wxPAPER_B5:        gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_B5));
 476                                 break;
 477         case wxPAPER_LETTER:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_LETTER));
 478                                 break;
 479         case wxPAPER_LEGAL:     gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_LEGAL));
 480                                 break;
 481         case wxPAPER_EXECUTIVE: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_EXECUTIVE));
 482                                 break;
 483         case wxPAPER_ENV_10:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "na_number-10"));
 484                                 break;
 485         case wxPAPER_ENV_C5:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c5"));
 486                                 break;
 487         case wxPAPER_ENV_C6:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c6"));
 488                                 break;
 489         case wxPAPER_ENV_B5:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c5b5"));
 490                                 break;
 491         case wxPAPER_ENV_MONARCH:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "na_monarch"));
 492                                 break;
 493         case wxPAPER_CSHEET:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-c"));
 494                                 break;
 495         case wxPAPER_DSHEET:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-d"));
 496                                 break;
 497         case wxPAPER_ESHEET:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-e"));
 498                                 break;
 499         case wxPAPER_LETTERSMALL:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "letter"));
 500                                 break;
 501         case wxPAPER_TABLOID:   gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-b"));
 502                                 break;
 503         case wxPAPER_LEDGER:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "ledger"));
 504                                 break;
 505         case wxPAPER_STATEMENT:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "statement"));
 506                                 break;
 507         case wxPAPER_A4SMALL:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A4));
 508                                 break;
 509         case wxPAPER_B4:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-b4"));
 510                                 break;
 511         case wxPAPER_FOLIO:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "folio"));
 512                                 break;
 513         case wxPAPER_QUARTO:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "quarto"));
 514                                 break;
 515         case wxPAPER_10X14:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "10x14"));
 516                                 break;
 517         case wxPAPER_11X17:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "ledger"));
 518                                 break;
 519         case wxPAPER_NOTE:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "letter"));
 520                                 break;
 521         case wxPAPER_ENV_9:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "na-number-9-envelope"));
 522                                 break;
 523         case wxPAPER_ENV_11:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "number-11"));
 524                                 break;
 525         case wxPAPER_ENV_12:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "number-12"));
 526                                 break;
 527         case wxPAPER_ENV_14:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "number-14"));
 528                                 break;
 529         case wxPAPER_ENV_DL:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-designated"));
 530                                 break;
 531         case wxPAPER_ENV_C3:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c3"));
 532                                 break;
 533         case wxPAPER_ENV_C4:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c4"));
 534                                 break;
 535         case wxPAPER_ENV_C65:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "c6/c5"));
 536                                 break;
 537         case wxPAPER_ENV_B4:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-b4"));
 538                                 break;
 539         case wxPAPER_ENV_B6:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-b6"));
 540                                 break;
 541         case wxPAPER_ENV_ITALY:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "Italian"));
 542                                 break;
 543         case wxPAPER_ENV_PERSONAL:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "personal"));
 544                                 break;
 545         case wxPAPER_FANFOLD_US:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "fanfold-us"));
 546                                 break;
 547         case wxPAPER_FANFOLD_STD_GERMAN:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "fanfold-European"));
 548                                 break;
 549         case wxPAPER_FANFOLD_LGL_GERMAN:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "foolscap"));
 550                                 break;
 551         case wxPAPER_NONE:
 552         default:                break;
 553     }
 554
 555     gtk_print_settings_set_printer(m_config, data.GetPrinterName().utf8_str());
 556
 557     return true;
 558 }
 559
 560 void wxGtkPrintNativeData::SetPrintConfig( GtkPrintSettings * config )
 561 {
 562     if (config)
 563         m_config = gtk_print_settings_copy(config);
 564 }
 565
 566 // Extract page setup from settings.
 567 GtkPageSetup* wxGtkPrintNativeData::GetPageSetupFromSettings(GtkPrintSettings* settings)
 568 {
 569     GtkPageSetup* page_setup = gtk_page_setup_new();
 570     gtk_page_setup_set_orientation (page_setup, gtk_print_settings_get_orientation (settings));
 571
 572     GtkPaperSize *paper_size = gtk_print_settings_get_paper_size (settings);
 573     if (paper_size != NULL)
 574         gtk_page_setup_set_paper_size_and_default_margins (page_setup, paper_size);
 575
 576     return page_setup;
 577 }
 578
 579 // Insert page setup into a given GtkPrintSettings.
 580 void wxGtkPrintNativeData::SetPageSetupToSettings(GtkPrintSettings* settings, GtkPageSetup* page_setup)
 581 {
 582     gtk_print_settings_set_orientation ( settings, gtk_page_setup_get_orientation (page_setup));
 583     gtk_print_settings_set_paper_size ( settings, gtk_page_setup_get_paper_size (page_setup));
 584 }
 585
 586 //----------------------------------------------------------------------------
 587 // wxGtkPrintDialog
 588 //----------------------------------------------------------------------------
 589
 590 IMPLEMENT_CLASS(wxGtkPrintDialog, wxPrintDialogBase)
 591
 592 wxGtkPrintDialog::wxGtkPrintDialog( wxWindow *parent, wxPrintDialogData *data )
 593                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 594                                wxPoint(0, 0), wxSize(600, 600),
 595                                wxDEFAULT_DIALOG_STYLE |
 596                                wxTAB_TRAVERSAL)
 597 {
 598     if (data)
 599         m_printDialogData = *data;
 600
 601     m_parent = parent;
 602     SetShowDialog(true);
 603 }
 604
 605 wxGtkPrintDialog::wxGtkPrintDialog( wxWindow *parent, wxPrintData *data )
 606                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 607                                wxPoint(0, 0), wxSize(600, 600),
 608                                wxDEFAULT_DIALOG_STYLE |
 609                                wxTAB_TRAVERSAL)
 610 {
 611     if (data)
 612         m_printDialogData = *data;
 613
 614     m_parent = parent;
 615     SetShowDialog(true);
 616 }
 617
 618
 619 wxGtkPrintDialog::~wxGtkPrintDialog()
 620 {
 621 }
 622
 623 // This is called even if we actually don't want the dialog to appear.
 624 int wxGtkPrintDialog::ShowModal()
 625 {
 626     // We need to restore the settings given in the constructor.
 627     wxPrintData data = m_printDialogData.GetPrintData();
 628     wxGtkPrintNativeData *native =
 629       (wxGtkPrintNativeData*) data.GetNativeData();
 630     data.ConvertToNative();
 631
 632     GtkPrintSettings * settings = native->GetPrintConfig();
 633
 634     // We have to restore pages to print here because they're stored in a wxPrintDialogData and ConvertToNative only works for wxPrintData.
 635     int fromPage = m_printDialogData.GetFromPage();
 636     int toPage = m_printDialogData.GetToPage();
 637     if (m_printDialogData.GetSelection())
 638         gtk_print_settings_set_print_pages(settings, GTK_PRINT_PAGES_CURRENT);
 639     else if (m_printDialogData.GetAllPages())
 640         gtk_print_settings_set_print_pages(settings, GTK_PRINT_PAGES_ALL);
 641     else {
 642         gtk_print_settings_set_print_pages(settings, GTK_PRINT_PAGES_RANGES);
 643         GtkPageRange *range;
 644         range = g_new (GtkPageRange, 1);
 645         range[0].start = fromPage-1;
 646         range[0].end = (toPage >= fromPage) ? toPage-1 : fromPage-1;
 647         gtk_print_settings_set_page_ranges (settings, range, 1);
 648     }
 649
 650     GtkPrintOperation * const printOp = native->GetPrintJob();
 651
 652     // If the settings are OK, we restore it.
 653     if (settings != NULL)
 654         gtk_print_operation_set_print_settings (printOp, settings);
 655     gtk_print_operation_set_default_page_setup (printOp, native->GetPageSetupFromSettings(settings));
 656
 657     // Show the dialog if needed.
 658     GError* gError = NULL;
 659     GtkPrintOperationResult response = gtk_print_operation_run
 660                                        (
 661                                            printOp,
 662                                            GetShowDialog()
 663                                             ? GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG
 664                                             : GTK_PRINT_OPERATION_ACTION_PRINT,
 665                                            m_parent
 666                                             ? GTK_WINDOW(gtk_widget_get_toplevel(m_parent->m_widget))
 667                                             : NULL,
 668                                            &gError
 669                                        );
 670
 671     // Does everything went well?
 672     if (response == GTK_PRINT_OPERATION_RESULT_CANCEL)
 673     {
 674         return wxID_CANCEL;
 675     }
 676     else if (response == GTK_PRINT_OPERATION_RESULT_ERROR)
 677     {
 678         wxLogError(_("Error while printing: ") + wxString(gError ? gError->message : "???"));
 679         g_error_free (gError);
 680         return wxID_NO; // We use wxID_NO because there is no wxID_ERROR available
 681     }
 682
 683     // Now get the settings and save it.
 684     GtkPrintSettings* newSettings = gtk_print_operation_get_print_settings(printOp);
 685     native->SetPrintConfig(newSettings);
 686     data.ConvertFromNative();
 687
 688     // Set PrintDialogData variables
 689     m_printDialogData.SetPrintData(data);
 690     m_printDialogData.SetCollate(data.GetCollate());
 691     m_printDialogData.SetNoCopies(data.GetNoCopies());
 692     m_printDialogData.SetPrintToFile(data.GetPrinterName() == "Print to File");
 693
 694     // Same problem as a few lines before.
 695     switch (gtk_print_settings_get_print_pages(newSettings))
 696     {
 697         case GTK_PRINT_PAGES_CURRENT:
 698             m_printDialogData.SetSelection( true );
 699             break;
 700         case GTK_PRINT_PAGES_RANGES:
 701             {// wxWidgets doesn't support multiple ranges, so we can only save the first one even if the user wants to print others.
 702             // For example, the user enters "1-3;5-7" in the dialog: pages 1-3 and 5-7 will be correctly printed when the user
 703             // will hit "OK" button. However we can only save 1-3 in the print data.
 704             gint num_ranges = 0;
 705             GtkPageRange* range;
 706             range = gtk_print_settings_get_page_ranges (newSettings, &num_ranges);
 707             if (num_ranges >= 1)
 708             {
 709                 m_printDialogData.SetFromPage( range[0].start );
 710                 m_printDialogData.SetToPage( range[0].end );
 711             }
 712             else {
 713                 m_printDialogData.SetAllPages( true );
 714                 m_printDialogData.SetFromPage( 0 );
 715                 m_printDialogData.SetToPage( 9999 );
 716             }
 717             break;}
 718         case GTK_PRINT_PAGES_ALL:
 719         default:
 720             m_printDialogData.SetAllPages( true );
 721             m_printDialogData.SetFromPage( 0 );
 722             m_printDialogData.SetToPage( 9999 );
 723             break;
 724     }
 725
 726     return wxID_OK;
 727 }
 728
 729 //----------------------------------------------------------------------------
 730 // wxGtkPageSetupDialog
 731 //----------------------------------------------------------------------------
 732
 733 IMPLEMENT_CLASS(wxGtkPageSetupDialog, wxPageSetupDialogBase)
 734
 735 wxGtkPageSetupDialog::wxGtkPageSetupDialog( wxWindow *parent,
 736                             wxPageSetupDialogData* data )
 737 {
 738     if (data)
 739         m_pageDialogData = *data;
 740
 741     m_parent = parent;
 742 }
 743
 744 wxGtkPageSetupDialog::~wxGtkPageSetupDialog()
 745 {
 746 }
 747
 748 int wxGtkPageSetupDialog::ShowModal()
 749 {
 750     // Get the config.
 751     m_pageDialogData.GetPrintData().ConvertToNative();
 752     wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) m_pageDialogData.GetPrintData().GetNativeData();
 753     GtkPrintSettings* nativeData = native->GetPrintConfig();
 754
 755     // We only need the pagesetup data which are part of the settings.
 756     GtkPageSetup* oldPageSetup = native->GetPageSetupFromSettings(nativeData);
 757
 758     // If the user used a custom paper format the last time he printed, we have to restore it too.
 759     if (m_pageDialogData.GetPrintData().GetPaperId() == wxPAPER_NONE)
 760     {
 761         wxSize customPaperSize = m_pageDialogData.GetPaperSize();
 762         if (customPaperSize.GetWidth() > 0 && customPaperSize.GetHeight() > 0)
 763         {
 764             wxString title = _("Custom size");
 765             GtkPaperSize* customSize = gtk_paper_size_new_custom ("custom", title.mb_str(), (gdouble) customPaperSize.GetWidth(), (gdouble) customPaperSize.GetHeight(), GTK_UNIT_MM);
 766             gtk_page_setup_set_paper_size_and_default_margins (oldPageSetup, customSize);
 767             g_object_unref(customSize);
 768         }
 769     }
 770
 771
 772     // Set selected printer
 773     gtk_print_settings_set(nativeData, "format-for-printer",
 774                            gtk_print_settings_get_printer(nativeData));
 775
 776     // Create custom dialog
 777     wxString title(GetTitle());
 778     if ( title.empty() )
 779         title = _("Page Setup");
 780     GtkWidget *
 781         dlg = gtk_page_setup_unix_dialog_new(title.utf8_str(),
 782                                              m_parent
 783                                                 ? GTK_WINDOW(m_parent->m_widget)
 784                                                 : NULL);
 785
 786     gtk_page_setup_unix_dialog_set_print_settings(
 787         GTK_PAGE_SETUP_UNIX_DIALOG(dlg), nativeData);
 788     gtk_page_setup_unix_dialog_set_page_setup(
 789         GTK_PAGE_SETUP_UNIX_DIALOG(dlg), oldPageSetup);
 790
 791     int result = gtk_dialog_run(GTK_DIALOG(dlg));
 792     gtk_widget_hide(dlg);
 793
 794     switch ( result )
 795     {
 796         case GTK_RESPONSE_OK:
 797         case GTK_RESPONSE_APPLY:
 798             {
 799                 // Store Selected Printer Name
 800                 gtk_print_settings_set_printer
 801                 (
 802                     nativeData,
 803                     gtk_print_settings_get(nativeData, "format-for-printer")
 804                 );
 805
 806                 wxGtkObject<GtkPageSetup>
 807                     newPageSetup(gtk_page_setup_unix_dialog_get_page_setup(
 808                                         GTK_PAGE_SETUP_UNIX_DIALOG(dlg)));
 809                 native->SetPageSetupToSettings(nativeData, newPageSetup);
 810
 811                 m_pageDialogData.GetPrintData().ConvertFromNative();
 812
 813                 // Store custom paper format if any.
 814                 if ( m_pageDialogData.GetPrintData().GetPaperId() == wxPAPER_NONE )
 815                 {
 816                     gdouble ml,mr,mt,mb,pw,ph;
 817                     ml = gtk_page_setup_get_left_margin (newPageSetup, GTK_UNIT_MM);
 818                     mr = gtk_page_setup_get_right_margin (newPageSetup, GTK_UNIT_MM);
 819                     mt = gtk_page_setup_get_top_margin (newPageSetup, GTK_UNIT_MM);
 820                     mb = gtk_page_setup_get_bottom_margin (newPageSetup, GTK_UNIT_MM);
 821
 822                     pw = gtk_page_setup_get_paper_width (newPageSetup, GTK_UNIT_MM);
 823                     ph = gtk_page_setup_get_paper_height (newPageSetup, GTK_UNIT_MM);
 824
 825                     m_pageDialogData.SetMarginTopLeft(wxPoint((int)(ml+0.5),
 826                                                               (int)(mt+0.5)));
 827                     m_pageDialogData.SetMarginBottomRight(wxPoint((int)(mr+0.5),
 828                                                                   (int)(mb+0.5)));
 829
 830                     m_pageDialogData.SetPaperSize(wxSize((int)(pw+0.5),
 831                                                          (int)(ph+0.5)));
 832                 }
 833
 834                 result = wxID_OK;
 835             }
 836             break;
 837
 838         default:
 839         case GTK_RESPONSE_CANCEL:
 840             result = wxID_CANCEL;
 841             break;
 842     }
 843
 844     gtk_widget_destroy(dlg);
 845
 846     return result;
 847 }
 848
 849 //----------------------------------------------------------------------------
 850 // wxGtkPrinter
 851 //----------------------------------------------------------------------------
 852
 853 IMPLEMENT_CLASS(wxGtkPrinter, wxPrinterBase)
 854
 855 wxGtkPrinter::wxGtkPrinter( wxPrintDialogData *data ) :
 856     wxPrinterBase( data )
 857 {
 858     m_gpc = NULL;
 859
 860     if (data)
 861         m_printDialogData = *data;
 862 }
 863
 864 wxGtkPrinter::~wxGtkPrinter()
 865 {
 866 }
 867
 868 bool wxGtkPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt )
 869 {
 870     if (!printout)
 871     {
 872         sm_lastError = wxPRINTER_ERROR;
 873         return false;
 874     }
 875
 876     // Let's correct the PageInfo just in case the app gives wrong values.
 877     int fromPage, toPage;
 878     int minPage, maxPage;
 879     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 880     m_printDialogData.SetAllPages(true);
 881
 882     if (minPage < 1) minPage = 1;
 883     if (maxPage < 1) maxPage = 9999;
 884     if (maxPage < minPage) maxPage = minPage;
 885
 886     m_printDialogData.SetMinPage(minPage);
 887     m_printDialogData.SetMaxPage(maxPage);
 888     if (fromPage != 0)
 889     {
 890         if (fromPage < minPage) fromPage = minPage;
 891         else if (fromPage > maxPage) fromPage = maxPage;
 892         m_printDialogData.SetFromPage(fromPage);
 893     }
 894     if (toPage != 0)
 895     {
 896         m_printDialogData.SetToPage(toPage);
 897         if (toPage > maxPage) toPage = maxPage;
 898         else if (toPage < minPage) toPage = minPage;
 899     }
 900
 901     if (((minPage != fromPage) && fromPage != 0) || ((maxPage != toPage) && toPage != 0)) m_printDialogData.SetAllPages(false);
 902
 903
 904     wxPrintData printdata = GetPrintDialogData().GetPrintData();
 905     wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) printdata.GetNativeData();
 906
 907     wxGtkObject<GtkPrintOperation> printOp(gtk_print_operation_new());
 908     native->SetPrintJob(printOp);
 909     wxON_BLOCK_EXIT_OBJ1(*native, wxGtkPrintNativeData::SetPrintJob,
 910                          static_cast<GtkPrintOperation*>(NULL));
 911
 912     wxPrinterToGtkData dataToSend;
 913     dataToSend.printer = this;
 914     dataToSend.printout = printout;
 915
 916     // These Gtk signals are caught here.
 917     g_signal_connect (printOp, "begin-print", G_CALLBACK (gtk_begin_print_callback), &dataToSend);
 918     g_signal_connect (printOp, "draw-page", G_CALLBACK (gtk_draw_page_print_callback), &dataToSend);
 919     g_signal_connect (printOp, "end-print", G_CALLBACK (gtk_end_print_callback), printout);
 920
 921     // This is used to setup the DC and
 922     // show the dialog if desired
 923     wxGtkPrintDialog dialog( parent, &m_printDialogData );
 924     dialog.SetPrintDC(m_dc);
 925     dialog.SetShowDialog(prompt);
 926
 927     // doesn't necessarily show
 928     int ret = dialog.ShowModal();
 929     if (ret == wxID_CANCEL)
 930     {
 931         sm_lastError = wxPRINTER_CANCELLED;
 932     }
 933     if (ret == wxID_NO)
 934     {
 935         sm_lastError = wxPRINTER_ERROR;
 936         wxFAIL_MSG(_("The print dialog returned an error."));
 937     }
 938
 939     return (sm_lastError == wxPRINTER_NO_ERROR);
 940 }
 941
 942 void wxGtkPrinter::BeginPrint(wxPrintout *printout, GtkPrintOperation *operation, GtkPrintContext *context)
 943 {
 944     wxPrintData printdata = GetPrintDialogData().GetPrintData();
 945     wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) printdata.GetNativeData();
 946
 947     // We need to update printdata with the new data from the dialog and we
 948     // have to do this here because this method needs this new data and we
 949     // cannot update it earlier
 950     native->SetPrintConfig(gtk_print_operation_get_print_settings(operation));
 951     printdata.ConvertFromNative();
 952
 953     SetPrintContext(context);
 954     native->SetPrintContext( context );
 955
 956     wxPrinterDC *printDC = new wxPrinterDC( printdata );
 957     m_dc = printDC;
 958
 959     if (!m_dc->IsOk())
 960     {
 961         if (sm_lastError != wxPRINTER_CANCELLED)
 962         {
 963             sm_lastError = wxPRINTER_ERROR;
 964             wxFAIL_MSG(_("The wxGtkPrinterDC cannot be used."));
 965         }
 966         return;
 967     }
 968
 969     printout->SetPPIScreen(wxGetDisplayPPI());
 970     printout->SetPPIPrinter( printDC->GetResolution(),
 971                              printDC->GetResolution() );
 972
 973     printout->SetDC(m_dc);
 974
 975     int w, h;
 976     m_dc->GetSize(&w, &h);
 977     printout->SetPageSizePixels((int)w, (int)h);
 978     printout->SetPaperRectPixels(wxRect(0, 0, w, h));
 979     int mw, mh;
 980     m_dc->GetSizeMM(&mw, &mh);
 981     printout->SetPageSizeMM((int)mw, (int)mh);
 982     printout->OnPreparePrinting();
 983
 984     // Get some parameters from the printout, if defined.
 985     int fromPage, toPage;
 986     int minPage, maxPage;
 987     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 988
 989     if (maxPage == 0)
 990     {
 991         sm_lastError = wxPRINTER_ERROR;
 992         wxFAIL_MSG(_("wxPrintout::GetPageInfo gives a null maxPage."));
 993         return;
 994     }
 995
 996     printout->OnBeginPrinting();
 997
 998     int numPages = 0;
 999
1000     // If we're not previewing we need to calculate the number of pages to print.
1001     // If we're previewing, Gtk Print will render every pages without wondering about the page ranges the user may
1002     // have defined in the dialog. So the number of pages is the maximum available.
1003     if (!printout->IsPreview())
1004     {
1005         GtkPrintSettings * settings = gtk_print_operation_get_print_settings (operation);
1006         switch (gtk_print_settings_get_print_pages(settings))
1007         {
1008             case GTK_PRINT_PAGES_CURRENT:
1009                 numPages = 1;
1010                 break;
1011             case GTK_PRINT_PAGES_RANGES:
1012                 {gint num_ranges = 0;
1013                 GtkPageRange* range;
1014                 int i;
1015                 range = gtk_print_settings_get_page_ranges (settings, &num_ranges);
1016                 for (i=0; i<num_ranges; i++)
1017                 {
1018                     if (range[i].end < range[i].start) range[i].end = range[i].start;
1019                     if (range[i].start < minPage-1) range[i].start = minPage-1;
1020                     if (range[i].end > maxPage-1) range[i].end = maxPage-1;
1021                     if (range[i].start > maxPage-1) range[i].start = maxPage-1;
1022                     numPages += range[i].end - range[i].start + 1;
1023                 }
1024                 gtk_print_settings_set_page_ranges (settings, range, 1);
1025                 break;}
1026             case GTK_PRINT_PAGES_ALL:
1027             default:
1028                 numPages = maxPage - minPage + 1;
1029                 break;
1030         }
1031     }
1032     else numPages = maxPage - minPage + 1;
1033
1034     gtk_print_operation_set_n_pages(operation, numPages);
1035 }
1036
1037 void wxGtkPrinter::DrawPage(wxPrintout *printout,
1038                             GtkPrintOperation *operation,
1039                             GtkPrintContext * WXUNUSED(context),
1040                             int page_nr)
1041 {
1042     int fromPage, toPage, minPage, maxPage, startPage, endPage;
1043     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
1044
1045     int numPageToDraw = page_nr + minPage;
1046     if (numPageToDraw < minPage) numPageToDraw = minPage;
1047     if (numPageToDraw > maxPage) numPageToDraw = maxPage;
1048
1049     GtkPrintSettings * settings = gtk_print_operation_get_print_settings (operation);
1050     switch (gtk_print_settings_get_print_pages(settings))
1051     {
1052         case GTK_PRINT_PAGES_CURRENT:
1053             g_object_get_property((GObject*) operation, (const gchar *) "current-page", (GValue*) &startPage);
1054             g_object_get_property((GObject*) operation, (const gchar *) "current-page", (GValue*) &endPage);
1055             break;
1056         case GTK_PRINT_PAGES_RANGES:
1057             {gint num_ranges = 0;
1058             GtkPageRange* range;
1059             range = gtk_print_settings_get_page_ranges (settings, &num_ranges);
1060             // We don't need to verify these values as it has already been done in wxGtkPrinter::BeginPrint.
1061             if (num_ranges >= 1)
1062             {
1063                 startPage = range[0].start + 1;
1064                 endPage = range[0].end + 1;
1065             }
1066             else {
1067                 startPage = minPage;
1068                 endPage = maxPage;
1069             }
1070             break;}
1071         case GTK_PRINT_PAGES_ALL:
1072         default:
1073             startPage = minPage;
1074             endPage = maxPage;
1075             break;
1076     }
1077
1078     if(numPageToDraw == startPage)
1079     {
1080         if (!printout->OnBeginDocument(startPage, endPage))
1081         {
1082             wxLogError(_("Could not start printing."));
1083             sm_lastError = wxPRINTER_ERROR;
1084         }
1085     }
1086
1087     // The app can render the page numPageToDraw.
1088     if (printout->HasPage(numPageToDraw))
1089     {
1090         m_dc->StartPage();
1091         printout->OnPrintPage(numPageToDraw);
1092         m_dc->EndPage();
1093     }
1094
1095
1096     if(numPageToDraw == endPage)
1097     {
1098         printout->OnEndDocument();
1099     }
1100 }
1101
1102 wxDC* wxGtkPrinter::PrintDialog( wxWindow *parent )
1103 {
1104     wxGtkPrintDialog dialog( parent, &m_printDialogData );
1105
1106     dialog.SetPrintDC(m_dc);
1107     dialog.SetShowDialog(true);
1108
1109     int ret = dialog.ShowModal();
1110
1111     if (ret == wxID_CANCEL)
1112     {
1113         sm_lastError = wxPRINTER_CANCELLED;
1114         return NULL;
1115     }
1116     if (ret == wxID_NO)
1117     {
1118         sm_lastError = wxPRINTER_ERROR;
1119         wxFAIL_MSG(_("The print dialog returned an error."));
1120         return NULL;
1121     }
1122
1123     m_printDialogData = dialog.GetPrintDialogData();
1124
1125     return new wxPrinterDC( m_printDialogData.GetPrintData() );
1126 }
1127
1128 bool wxGtkPrinter::Setup( wxWindow * WXUNUSED(parent) )
1129 {
1130     // Obsolete, for backward compatibility.
1131     return false;
1132 }
1133
1134 //-----------------------------------------------------------------------------
1135 // wxGtkPrinterDC
1136 //-----------------------------------------------------------------------------
1137
1138 #define wxCAIRO_SCALE 1
1139
1140 #if wxCAIRO_SCALE
1141
1142 #define XLOG2DEV(x)     LogicalToDeviceX(x)
1143 #define XLOG2DEVREL(x)  LogicalToDeviceXRel(x)
1144 #define YLOG2DEV(x)     LogicalToDeviceY(x)
1145 #define YLOG2DEVREL(x)  LogicalToDeviceYRel(x)
1146
1147 #else
1148
1149 #define XLOG2DEV(x)     ((double)(LogicalToDeviceX(x)) * m_DEV2PS)
1150 #define XLOG2DEVREL(x)  ((double)(LogicalToDeviceXRel(x)) * m_DEV2PS)
1151 #define YLOG2DEV(x)     ((double)(LogicalToDeviceY(x)) * m_DEV2PS)
1152 #define YLOG2DEVREL(x)  ((double)(LogicalToDeviceYRel(x)) * m_DEV2PS)
1153
1154 #endif
1155
1156 IMPLEMENT_ABSTRACT_CLASS(wxGtkPrinterDCImpl, wxDCImpl)
1157
1158 wxGtkPrinterDCImpl::wxGtkPrinterDCImpl(wxPrinterDC *owner, const wxPrintData& data)
1159                   : wxDCImpl( owner )
1160 {
1161     m_printData = data;
1162
1163     wxGtkPrintNativeData *native =
1164         (wxGtkPrintNativeData*) m_printData.GetNativeData();
1165
1166     m_gpc = native->GetPrintContext();
1167
1168     // Match print quality to resolution (high = 1200dpi)
1169     m_resolution = m_printData.GetQuality(); // (int) gtk_print_context_get_dpi_x( m_gpc );
1170     if (m_resolution < 0)
1171         m_resolution = (1 << (m_resolution+4)) *150;
1172
1173     m_context = gtk_print_context_create_pango_context( m_gpc );
1174     m_layout = gtk_print_context_create_pango_layout ( m_gpc );
1175     m_fontdesc = pango_font_description_from_string( "Sans 12" );
1176
1177     m_cairo = gtk_print_context_get_cairo_context ( m_gpc );
1178
1179 #if wxCAIRO_SCALE
1180     m_PS2DEV = 1.0;
1181     m_DEV2PS = 1.0;
1182 #else
1183     m_PS2DEV = (double)m_resolution / 72.0;
1184     m_DEV2PS = 72.0 / (double)m_resolution;
1185 #endif
1186
1187     m_currentRed = 0;
1188     m_currentBlue = 0;
1189     m_currentGreen = 0;
1190
1191     m_signX = 1;  // default x-axis left to right.
1192     m_signY = 1;  // default y-axis bottom up -> top down.
1193 }
1194
1195 wxGtkPrinterDCImpl::~wxGtkPrinterDCImpl()
1196 {
1197     g_object_unref(m_context);
1198     g_object_unref(m_layout);
1199 }
1200
1201 bool wxGtkPrinterDCImpl::IsOk() const
1202 {
1203     return m_gpc != NULL;
1204 }
1205
1206 void* wxGtkPrinterDCImpl::GetCairoContext() const
1207 {
1208     return (void*) cairo_reference( m_cairo );
1209 }
1210
1211 void* wxGtkPrinterDCImpl::GetHandle() const
1212 {
1213     return GetCairoContext();
1214 }
1215
1216 bool wxGtkPrinterDCImpl::DoFloodFill(wxCoord WXUNUSED(x1),
1217                                wxCoord WXUNUSED(y1),
1218                                const wxColour& WXUNUSED(col),
1219                                wxFloodFillStyle WXUNUSED(style))
1220 {
1221     // We can't access the given coord as a Cairo context is scalable, ie a
1222     // coord doesn't mean anything in this context.
1223     wxFAIL_MSG(_("not implemented"));
1224     return false;
1225 }
1226
1227 void wxGtkPrinterDCImpl::DoGradientFillConcentric(const wxRect& rect, const wxColour& initialColour, const wxColour& destColour, const wxPoint& circleCenter)
1228 {
1229     wxCoord xC = circleCenter.x;
1230     wxCoord yC = circleCenter.y;
1231     wxCoord xR = rect.x;
1232     wxCoord yR = rect.y;
1233     wxCoord w =  rect.width;
1234     wxCoord h = rect.height;
1235
1236     const double r2 = (w/2)*(w/2)+(h/2)*(h/2);
1237     double radius = sqrt(r2);
1238
1239     unsigned char redI = initialColour.Red();
1240     unsigned char blueI = initialColour.Blue();
1241     unsigned char greenI = initialColour.Green();
1242     unsigned char alphaI = initialColour.Alpha();
1243     unsigned char redD = destColour.Red();
1244     unsigned char blueD = destColour.Blue();
1245     unsigned char greenD = destColour.Green();
1246     unsigned char alphaD = destColour.Alpha();
1247
1248     double redIPS = (double)(redI) / 255.0;
1249     double blueIPS = (double)(blueI) / 255.0;
1250     double greenIPS = (double)(greenI) / 255.0;
1251     double alphaIPS = (double)(alphaI) / 255.0;
1252     double redDPS = (double)(redD) / 255.0;
1253     double blueDPS = (double)(blueD) / 255.0;
1254     double greenDPS = (double)(greenD) / 255.0;
1255     double alphaDPS = (double)(alphaD) / 255.0;
1256
1257     // Create a pattern with the gradient.
1258     cairo_pattern_t* gradient;
1259     gradient = cairo_pattern_create_radial (XLOG2DEV(xC+xR), YLOG2DEV(yC+yR), 0, XLOG2DEV(xC+xR), YLOG2DEV(yC+yR), radius * m_DEV2PS );
1260     cairo_pattern_add_color_stop_rgba (gradient, 0.0, redIPS, greenIPS, blueIPS, alphaIPS);
1261     cairo_pattern_add_color_stop_rgba (gradient, 1.0, redDPS, greenDPS, blueDPS, alphaDPS);
1262
1263     // Fill the rectangle with this pattern.
1264     cairo_set_source(m_cairo, gradient);
1265     cairo_rectangle (m_cairo, XLOG2DEV(xR), YLOG2DEV(yR), XLOG2DEVREL(w), YLOG2DEVREL(h) );
1266     cairo_fill(m_cairo);
1267
1268     cairo_pattern_destroy(gradient);
1269
1270     CalcBoundingBox(xR, yR);
1271     CalcBoundingBox(xR+w, yR+h);
1272 }
1273
1274 void wxGtkPrinterDCImpl::DoGradientFillLinear(const wxRect& rect, const wxColour& initialColour, const wxColour& destColour, wxDirection nDirection)
1275 {
1276     wxCoord x = rect.x;
1277     wxCoord y = rect.y;
1278     wxCoord w = rect.width;
1279     wxCoord h = rect.height;
1280
1281     unsigned char redI = initialColour.Red();
1282     unsigned char blueI = initialColour.Blue();
1283     unsigned char greenI = initialColour.Green();
1284     unsigned char alphaI = initialColour.Alpha();
1285     unsigned char redD = destColour.Red();
1286     unsigned char blueD = destColour.Blue();
1287     unsigned char greenD = destColour.Green();
1288     unsigned char alphaD = destColour.Alpha();
1289
1290     double redIPS = (double)(redI) / 255.0;
1291     double blueIPS = (double)(blueI) / 255.0;
1292     double greenIPS = (double)(greenI) / 255.0;
1293     double alphaIPS = (double)(alphaI) / 255.0;
1294     double redDPS = (double)(redD) / 255.0;
1295     double blueDPS = (double)(blueD) / 255.0;
1296     double greenDPS = (double)(greenD) / 255.0;
1297     double alphaDPS = (double)(alphaD) / 255.0;
1298
1299     // Create a pattern with the gradient.
1300     cairo_pattern_t* gradient;
1301     gradient = cairo_pattern_create_linear (XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x+w), YLOG2DEV(y));
1302
1303     if (nDirection == wxWEST)
1304     {
1305         cairo_pattern_add_color_stop_rgba (gradient, 0.0, redDPS, greenDPS, blueDPS, alphaDPS);
1306         cairo_pattern_add_color_stop_rgba (gradient, 1.0, redIPS, greenIPS, blueIPS, alphaIPS);
1307     }
1308     else {
1309         cairo_pattern_add_color_stop_rgba (gradient, 0.0, redIPS, greenIPS, blueIPS, alphaIPS);
1310         cairo_pattern_add_color_stop_rgba (gradient, 1.0, redDPS, greenDPS, blueDPS, alphaDPS);
1311     }
1312
1313     // Fill the rectangle with this pattern.
1314     cairo_set_source(m_cairo, gradient);
1315     cairo_rectangle (m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(w), YLOG2DEVREL(h) );
1316     cairo_fill(m_cairo);
1317
1318     cairo_pattern_destroy(gradient);
1319
1320     CalcBoundingBox(x, y);
1321     CalcBoundingBox(x+w, y+h);
1322 }
1323
1324 bool wxGtkPrinterDCImpl::DoGetPixel(wxCoord WXUNUSED(x1),
1325                               wxCoord WXUNUSED(y1),
1326                               wxColour * WXUNUSED(col)) const
1327 {
1328     wxFAIL_MSG(_("not implemented"));
1329     return false;
1330 }
1331
1332 void wxGtkPrinterDCImpl::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
1333 {
1334     if ( m_pen.IsTransparent() )
1335         return;
1336
1337     SetPen( m_pen );
1338     cairo_move_to ( m_cairo, XLOG2DEV(x1), YLOG2DEV(y1) );
1339     cairo_line_to ( m_cairo, XLOG2DEV(x2), YLOG2DEV(y2) );
1340     cairo_stroke ( m_cairo );
1341
1342     CalcBoundingBox( x1, y1 );
1343     CalcBoundingBox( x2, y2 );
1344 }
1345
1346 void wxGtkPrinterDCImpl::DoCrossHair(wxCoord x, wxCoord y)
1347 {
1348     int w, h;
1349     DoGetSize(&w, &h);
1350
1351     SetPen(m_pen);
1352
1353     cairo_move_to (m_cairo, XLOG2DEV(x), 0);
1354     cairo_line_to (m_cairo, XLOG2DEV(x), YLOG2DEVREL(h));
1355     cairo_move_to (m_cairo, 0, YLOG2DEV(y));
1356     cairo_line_to (m_cairo, XLOG2DEVREL(w), YLOG2DEV(y));
1357
1358     cairo_stroke (m_cairo);
1359     CalcBoundingBox( 0, 0 );
1360     CalcBoundingBox( w, h );
1361 }
1362
1363 void wxGtkPrinterDCImpl::DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc)
1364 {
1365     double dx = x1 - xc;
1366     double dy = y1 - yc;
1367     double radius = sqrt((double)(dx*dx+dy*dy));
1368
1369     double alpha1, alpha2;
1370     if (x1 == x2 && y1 == y2)
1371     {
1372         alpha1 = 0.0;
1373         alpha2 = 360.0;
1374     }
1375     else
1376     if (radius == 0.0)
1377     {
1378         alpha1 = alpha2 = 0.0;
1379     }
1380     else
1381     {
1382         alpha1 = (x1 - xc == 0) ?
1383             (y1 - yc < 0) ? 90.0 : -90.0 :
1384             atan2(double(y1-yc), double(x1-xc)) * RAD2DEG;
1385         alpha2 = (x2 - xc == 0) ?
1386             (y2 - yc < 0) ? 90.0 : -90.0 :
1387             atan2(double(y2-yc), double(x2-xc)) * RAD2DEG;
1388
1389         while (alpha1 <= 0)   alpha1 += 360;
1390         while (alpha2 <= 0)   alpha2 += 360; // adjust angles to be between.
1391         while (alpha1 > 360)  alpha1 -= 360; // 0 and 360 degree.
1392         while (alpha2 > 360)  alpha2 -= 360;
1393     }
1394
1395     alpha1 *= DEG2RAD;
1396     alpha2 *= DEG2RAD;
1397
1398     cairo_new_path(m_cairo);
1399
1400     cairo_arc_negative ( m_cairo, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2);
1401     cairo_line_to(m_cairo, XLOG2DEV(xc), YLOG2DEV(yc));
1402     cairo_close_path (m_cairo);
1403
1404     SetBrush( m_brush );
1405     cairo_fill_preserve( m_cairo );
1406
1407     SetPen (m_pen);
1408     cairo_stroke( m_cairo );
1409
1410     CalcBoundingBox (x1, y1);
1411     CalcBoundingBox (xc, yc);
1412     CalcBoundingBox (x2, y2);
1413 }
1414
1415 void wxGtkPrinterDCImpl::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
1416 {
1417     cairo_save( m_cairo );
1418
1419     cairo_new_path(m_cairo);
1420
1421     cairo_translate( m_cairo, XLOG2DEV((wxCoord) (x + w / 2.)), XLOG2DEV((wxCoord) (y + h / 2.)) );
1422     double scale = (double)YLOG2DEVREL(h) / (double) XLOG2DEVREL(w);
1423     cairo_scale( m_cairo, 1.0, scale );
1424
1425     cairo_arc_negative ( m_cairo, 0, 0, XLOG2DEVREL(w/2), -sa*DEG2RAD, -ea*DEG2RAD);
1426
1427     SetPen (m_pen);
1428     cairo_stroke_preserve( m_cairo );
1429
1430     cairo_line_to(m_cairo, 0,0);
1431
1432     SetBrush( m_brush );
1433     cairo_fill( m_cairo );
1434
1435     cairo_restore( m_cairo );
1436
1437     CalcBoundingBox( x, y);
1438     CalcBoundingBox( x+w, y+h );
1439 }
1440
1441 void wxGtkPrinterDCImpl::DoDrawPoint(wxCoord x, wxCoord y)
1442 {
1443     if ( m_pen.IsTransparent() )
1444         return;
1445
1446     SetPen( m_pen );
1447
1448     cairo_move_to ( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1449     cairo_line_to ( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1450     cairo_stroke ( m_cairo );
1451
1452     CalcBoundingBox( x, y );
1453 }
1454
1455 void wxGtkPrinterDCImpl::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
1456 {
1457     if ( m_pen.IsTransparent() )
1458         return;
1459
1460
1461     if (n <= 0) return;
1462
1463     SetPen (m_pen);
1464
1465     int i;
1466     for ( i =0; i<n ; i++ )
1467         CalcBoundingBox( points[i].x+xoffset, points[i].y+yoffset);
1468
1469     cairo_move_to ( m_cairo, XLOG2DEV(points[0].x+xoffset), YLOG2DEV(points[0].y+yoffset) );
1470
1471     for (i = 1; i < n; i++)
1472         cairo_line_to ( m_cairo, XLOG2DEV(points[i].x+xoffset), YLOG2DEV(points[i].y+yoffset) );
1473
1474     cairo_stroke ( m_cairo);
1475 }
1476
1477 void wxGtkPrinterDCImpl::DoDrawPolygon(int n, wxPoint points[],
1478                                        wxCoord xoffset, wxCoord yoffset,
1479                                        wxPolygonFillMode fillStyle)
1480 {
1481     if (n==0) return;
1482
1483     cairo_save(m_cairo);
1484     if (fillStyle == wxWINDING_RULE)
1485         cairo_set_fill_rule( m_cairo, CAIRO_FILL_RULE_WINDING);
1486     else
1487         cairo_set_fill_rule( m_cairo, CAIRO_FILL_RULE_EVEN_ODD);
1488
1489     int x = points[0].x + xoffset;
1490     int y = points[0].y + yoffset;
1491     cairo_new_path(m_cairo);
1492     cairo_move_to( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1493     int i;
1494     for (i = 1; i < n; i++)
1495     {
1496         int xx = points[i].x + xoffset;
1497         int yy = points[i].y + yoffset;
1498         cairo_line_to( m_cairo, XLOG2DEV(xx), YLOG2DEV(yy) );
1499     }
1500     cairo_close_path(m_cairo);
1501
1502     SetBrush( m_brush );
1503     cairo_fill_preserve( m_cairo );
1504
1505     SetPen (m_pen);
1506     cairo_stroke( m_cairo );
1507
1508     CalcBoundingBox( x, y );
1509
1510     cairo_restore(m_cairo);
1511 }
1512
1513 void wxGtkPrinterDCImpl::DoDrawPolyPolygon(int n, int count[], wxPoint points[],
1514                                            wxCoord xoffset, wxCoord yoffset,
1515                                            wxPolygonFillMode fillStyle)
1516 {
1517     wxDCImpl::DoDrawPolyPolygon( n, count, points, xoffset, yoffset, fillStyle );
1518 }
1519
1520 void wxGtkPrinterDCImpl::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1521 {
1522     width--;
1523     height--;
1524
1525     cairo_new_path(m_cairo);
1526     cairo_rectangle ( m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(width), YLOG2DEVREL(height));
1527
1528     SetBrush( m_brush );
1529     cairo_fill_preserve( m_cairo );
1530
1531     SetPen (m_pen);
1532     cairo_stroke( m_cairo );
1533
1534     CalcBoundingBox( x, y );
1535     CalcBoundingBox( x + width, y + height );
1536 }
1537
1538 void wxGtkPrinterDCImpl::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
1539 {
1540     width--;
1541     height--;
1542
1543     if (radius < 0.0) radius = - radius * ((width < height) ? width : height);
1544
1545     wxCoord dd = 2 * (wxCoord) radius;
1546     if (dd > width) dd = width;
1547     if (dd > height) dd = height;
1548     radius = dd / 2;
1549
1550     wxCoord rad = (wxCoord) radius;
1551
1552     cairo_new_path(m_cairo);
1553     cairo_move_to(m_cairo,XLOG2DEV(x + rad),YLOG2DEV(y));
1554     cairo_curve_to(m_cairo,
1555                                 XLOG2DEV(x + rad),YLOG2DEV(y),
1556                                 XLOG2DEV(x),YLOG2DEV(y),
1557                                 XLOG2DEV(x),YLOG2DEV(y + rad));
1558     cairo_line_to(m_cairo,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1559     cairo_curve_to(m_cairo,
1560                                 XLOG2DEV(x),YLOG2DEV(y + height - rad),
1561                                 XLOG2DEV(x),YLOG2DEV(y + height),
1562                                 XLOG2DEV(x + rad),YLOG2DEV(y + height));
1563     cairo_line_to(m_cairo,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1564     cairo_curve_to(m_cairo,
1565                                 XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1566                                 XLOG2DEV(x + width),YLOG2DEV(y + height),
1567                                 XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1568     cairo_line_to(m_cairo,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1569     cairo_curve_to(m_cairo,
1570                                 XLOG2DEV(x + width),YLOG2DEV(y + rad),
1571                                 XLOG2DEV(x + width),YLOG2DEV(y),
1572                                 XLOG2DEV(x + width - rad),YLOG2DEV(y));
1573     cairo_line_to(m_cairo,XLOG2DEV(x + rad),YLOG2DEV(y));
1574     cairo_close_path(m_cairo);
1575
1576     SetBrush(m_brush);
1577     cairo_fill_preserve(m_cairo);
1578
1579     SetPen(m_pen);
1580     cairo_stroke(m_cairo);
1581
1582     CalcBoundingBox(x,y);
1583     CalcBoundingBox(x+width,y+height);
1584 }
1585
1586 void wxGtkPrinterDCImpl::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1587 {
1588     width--;
1589     height--;
1590
1591     cairo_save (m_cairo);
1592
1593     cairo_new_path(m_cairo);
1594
1595     cairo_translate (m_cairo, XLOG2DEV((wxCoord) (x + width / 2.)), YLOG2DEV((wxCoord) (y + height / 2.)));
1596     cairo_scale(m_cairo, 1, (double)YLOG2DEVREL(height)/(double)XLOG2DEVREL(width));
1597     cairo_arc ( m_cairo, 0, 0, XLOG2DEVREL(width/2), 0, 2 * M_PI);
1598
1599     SetBrush( m_brush );
1600     cairo_fill_preserve( m_cairo );
1601
1602     SetPen (m_pen);
1603     cairo_stroke( m_cairo );
1604
1605     CalcBoundingBox( x, y );
1606     CalcBoundingBox( x + width, y + height );
1607
1608     cairo_restore (m_cairo);
1609 }
1610
1611 #if wxUSE_SPLINES
1612 void wxGtkPrinterDCImpl::DoDrawSpline(const wxPointList *points)
1613 {
1614     SetPen (m_pen);
1615
1616     double c, d, x1, y1, x2, y2, x3, y3;
1617     wxPoint *p, *q;
1618
1619     wxPointList::compatibility_iterator node = points->GetFirst();
1620     p = node->GetData();
1621     x1 = p->x;
1622     y1 = p->y;
1623
1624     node = node->GetNext();
1625     p = node->GetData();
1626     c = p->x;
1627     d = p->y;
1628     x3 =
1629          (double)(x1 + c) / 2;
1630     y3 =
1631          (double)(y1 + d) / 2;
1632
1633     cairo_new_path( m_cairo );
1634     cairo_move_to( m_cairo, XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1) );
1635     cairo_line_to( m_cairo, XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1636
1637     CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1638     CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1639
1640     node = node->GetNext();
1641     while (node)
1642     {
1643         q = node->GetData();
1644
1645         x1 = x3;
1646         y1 = y3;
1647         x2 = c;
1648         y2 = d;
1649         c = q->x;
1650         d = q->y;
1651         x3 = (double)(x2 + c) / 2;
1652         y3 = (double)(y2 + d) / 2;
1653
1654         cairo_curve_to(m_cairo,
1655             XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1),
1656             XLOG2DEV((wxCoord)x2), YLOG2DEV((wxCoord)y2),
1657             XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1658
1659         CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1660         CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1661
1662         node = node->GetNext();
1663     }
1664
1665     cairo_line_to ( m_cairo, XLOG2DEV((wxCoord)c), YLOG2DEV((wxCoord)d) );
1666
1667     cairo_stroke( m_cairo );
1668 }
1669 #endif // wxUSE_SPLINES
1670
1671 bool wxGtkPrinterDCImpl::DoBlit(wxCoord xdest, wxCoord ydest,
1672                           wxCoord width, wxCoord height,
1673                           wxDC *source, wxCoord xsrc, wxCoord ysrc,
1674                           wxRasterOperationMode rop, bool useMask,
1675                           wxCoord WXUNUSED_UNLESS_DEBUG(xsrcMask),
1676                           wxCoord WXUNUSED_UNLESS_DEBUG(ysrcMask))
1677 {
1678     wxASSERT_MSG( xsrcMask == wxDefaultCoord && ysrcMask == wxDefaultCoord,
1679                   wxT("mask coordinates are not supported") );
1680
1681     wxCHECK_MSG( source, false, wxT("invalid source dc") );
1682
1683     // Blit into a bitmap.
1684     wxBitmap bitmap( width, height );
1685     wxMemoryDC memDC;
1686     memDC.SelectObject(bitmap);
1687     memDC.Blit(0, 0, width, height, source, xsrc, ysrc, rop);
1688     memDC.SelectObject(wxNullBitmap);
1689
1690     // Draw bitmap. scaling and positioning is done there.
1691     GetOwner()->DrawBitmap( bitmap, xdest, ydest, useMask );
1692
1693     return true;
1694 }
1695
1696 void wxGtkPrinterDCImpl::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y )
1697 {
1698     DoDrawBitmap( icon, x, y, true );
1699 }
1700
1701 void wxGtkPrinterDCImpl::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask )
1702 {
1703     wxCHECK_RET( bitmap.IsOk(), wxT("Invalid bitmap in wxGtkPrinterDCImpl::DoDrawBitmap"));
1704
1705     x = wxCoord(XLOG2DEV(x));
1706     y = wxCoord(YLOG2DEV(y));
1707     int bw = bitmap.GetWidth();
1708     int bh = bitmap.GetHeight();
1709 #ifndef __WXGTK3__
1710     wxBitmap bmpSource = bitmap;  // we need a non-const instance.
1711     if (!useMask && !bitmap.HasPixbuf() && bitmap.GetMask())
1712         bmpSource.SetMask(NULL);
1713 #endif
1714
1715     cairo_save(m_cairo);
1716
1717     // Prepare to draw the image.
1718     cairo_translate(m_cairo, x, y);
1719
1720     // Scale the image
1721     wxDouble scaleX = (wxDouble) XLOG2DEVREL(bw) / (wxDouble) bw;
1722     wxDouble scaleY = (wxDouble) YLOG2DEVREL(bh) / (wxDouble) bh;
1723     cairo_scale(m_cairo, scaleX, scaleY);
1724
1725 #ifdef __WXGTK3__
1726     bitmap.Draw(m_cairo, 0, 0, useMask, &m_textForegroundColour, &m_textBackgroundColour);
1727 #else
1728     gdk_cairo_set_source_pixbuf(m_cairo, bmpSource.GetPixbuf(), 0, 0);
1729     cairo_pattern_set_filter(cairo_get_source(m_cairo), CAIRO_FILTER_NEAREST);
1730     // Use the original size here since the context is scaled already.
1731     cairo_rectangle(m_cairo, 0, 0, bw, bh);
1732     // Fill the rectangle using the pattern.
1733     cairo_fill(m_cairo);
1734 #endif
1735
1736     CalcBoundingBox(0,0);
1737     CalcBoundingBox(bw,bh);
1738
1739     cairo_restore(m_cairo);
1740 }
1741
1742 void wxGtkPrinterDCImpl::DoDrawText(const wxString& text, wxCoord x, wxCoord y )
1743 {
1744     DoDrawRotatedText( text, x, y, 0.0 );
1745 }
1746
1747 void wxGtkPrinterDCImpl::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
1748 {
1749     double xx = XLOG2DEV(x);
1750     double yy = YLOG2DEV(y);
1751
1752     angle = -angle;
1753
1754     const wxScopedCharBuffer data = text.utf8_str();
1755
1756     pango_layout_set_text(m_layout, data, data.length());
1757
1758     const bool setAttrs = m_font.GTKSetPangoAttrs(m_layout);
1759     if (m_textForegroundColour.IsOk())
1760     {
1761         unsigned char red = m_textForegroundColour.Red();
1762         unsigned char blue = m_textForegroundColour.Blue();
1763         unsigned char green = m_textForegroundColour.Green();
1764         unsigned char alpha = m_textForegroundColour.Alpha();
1765
1766         if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue && alpha == m_currentAlpha))
1767         {
1768             double redPS = (double)(red) / 255.0;
1769             double bluePS = (double)(blue) / 255.0;
1770             double greenPS = (double)(green) / 255.0;
1771             double alphaPS = (double)(alpha) / 255.0;
1772
1773             cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1774
1775             m_currentRed = red;
1776             m_currentBlue = blue;
1777             m_currentGreen = green;
1778             m_currentAlpha = alpha;
1779         }
1780     }
1781
1782     // Draw layout.
1783     cairo_move_to (m_cairo, xx, yy);
1784
1785     cairo_save( m_cairo );
1786
1787     if (fabs(angle) > 0.00001)
1788         cairo_rotate( m_cairo, angle*DEG2RAD );
1789
1790     cairo_scale(m_cairo, m_scaleX, m_scaleY);
1791
1792     int w,h;
1793     pango_layout_get_pixel_size( m_layout, &w, &h );
1794
1795     if ( m_backgroundMode == wxBRUSHSTYLE_SOLID )
1796     {
1797         unsigned char red = m_textBackgroundColour.Red();
1798         unsigned char blue = m_textBackgroundColour.Blue();
1799         unsigned char green = m_textBackgroundColour.Green();
1800         unsigned char alpha = m_textBackgroundColour.Alpha();
1801
1802         double redPS = (double)(red) / 255.0;
1803         double bluePS = (double)(blue) / 255.0;
1804         double greenPS = (double)(green) / 255.0;
1805         double alphaPS = (double)(alpha) / 255.0;
1806
1807         cairo_save(m_cairo);
1808         cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1809         cairo_rectangle(m_cairo, 0, 0, w, h);   // still in cairo units
1810         cairo_fill(m_cairo);
1811         cairo_restore(m_cairo);
1812     }
1813
1814     pango_cairo_update_layout (m_cairo, m_layout);
1815     pango_cairo_show_layout (m_cairo, m_layout);
1816
1817     cairo_restore( m_cairo );
1818
1819     if (setAttrs)
1820     {
1821         // Undo underline attributes setting
1822         pango_layout_set_attributes(m_layout, NULL);
1823     }
1824
1825     // Back to device units:
1826     CalcBoundingBox (x, y);
1827     CalcBoundingBox (x + w, y + h);
1828 }
1829
1830 void wxGtkPrinterDCImpl::Clear()
1831 {
1832 // Clear does nothing for printing, but keep the code
1833 // for later reuse
1834 /*
1835     cairo_save(m_cairo);
1836     cairo_set_operator (m_cairo, CAIRO_OPERATOR_SOURCE);
1837     SetBrush(m_backgroundBrush);
1838     cairo_paint(m_cairo);
1839     cairo_restore(m_cairo);
1840 */
1841 }
1842
1843 void wxGtkPrinterDCImpl::SetFont( const wxFont& font )
1844 {
1845     m_font = font;
1846
1847     if (m_font.IsOk())
1848     {
1849         if (m_fontdesc)
1850             pango_font_description_free( m_fontdesc );
1851
1852         m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description );
1853
1854         float size = pango_font_description_get_size( m_fontdesc );
1855         size = size * GetFontPointSizeAdjustment(72.0);
1856         pango_font_description_set_size( m_fontdesc, (gint)size );
1857
1858         pango_layout_set_font_description( m_layout, m_fontdesc );
1859     }
1860 }
1861
1862 void wxGtkPrinterDCImpl::SetPen( const wxPen& pen )
1863 {
1864     if (!pen.IsOk()) return;
1865
1866     m_pen = pen;
1867
1868     double width;
1869
1870     if (m_pen.GetWidth() <= 0)
1871         width = 0.1;
1872     else
1873         width = (double) m_pen.GetWidth();
1874
1875     cairo_set_line_width( m_cairo, width * m_DEV2PS * m_scaleX );
1876     static const double dotted[] = {2.0, 5.0};
1877     static const double short_dashed[] = {4.0, 4.0};
1878     static const double long_dashed[] = {4.0, 8.0};
1879     static const double dotted_dashed[] = {6.0, 6.0, 2.0, 6.0};
1880
1881     switch (m_pen.GetStyle())
1882     {
1883         case wxPENSTYLE_DOT:        cairo_set_dash( m_cairo, dotted, 2, 0 ); break;
1884         case wxPENSTYLE_SHORT_DASH: cairo_set_dash( m_cairo, short_dashed, 2, 0 ); break;
1885         case wxPENSTYLE_LONG_DASH:  cairo_set_dash( m_cairo, long_dashed, 2, 0 ); break;
1886         case wxPENSTYLE_DOT_DASH:   cairo_set_dash( m_cairo, dotted_dashed, 4, 0 );  break;
1887         case wxPENSTYLE_USER_DASH:
1888         {
1889             wxDash *wx_dashes;
1890             int num = m_pen.GetDashes (&wx_dashes);
1891             gdouble *g_dashes = g_new( gdouble, num );
1892             int i;
1893             for (i = 0; i < num; ++i)
1894                 g_dashes[i] = (gdouble) wx_dashes[i];
1895             cairo_set_dash( m_cairo, g_dashes, num, 0);
1896             g_free( g_dashes );
1897         }
1898         break;
1899         case wxPENSTYLE_SOLID:
1900         case wxPENSTYLE_TRANSPARENT:
1901         default:              cairo_set_dash( m_cairo, NULL, 0, 0 );   break;
1902     }
1903
1904     switch (m_pen.GetCap())
1905     {
1906         case wxCAP_PROJECTING:  cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_SQUARE); break;
1907         case wxCAP_BUTT:        cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_BUTT); break;
1908         case wxCAP_ROUND:
1909         default:                cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_ROUND); break;
1910     }
1911
1912     switch (m_pen.GetJoin())
1913     {
1914         case wxJOIN_BEVEL:  cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_BEVEL); break;
1915         case wxJOIN_MITER:  cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_MITER); break;
1916         case wxJOIN_ROUND:
1917         default:            cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_ROUND); break;
1918     }
1919
1920     unsigned char red = m_pen.GetColour().Red();
1921     unsigned char blue = m_pen.GetColour().Blue();
1922     unsigned char green = m_pen.GetColour().Green();
1923     unsigned char alpha = m_pen.GetColour().Alpha();
1924
1925     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue && alpha == m_currentAlpha))
1926     {
1927         double redPS = (double)(red) / 255.0;
1928         double bluePS = (double)(blue) / 255.0;
1929         double greenPS = (double)(green) / 255.0;
1930         double alphaPS = (double)(alpha) / 255.0;
1931
1932         cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1933
1934         m_currentRed = red;
1935         m_currentBlue = blue;
1936         m_currentGreen = green;
1937         m_currentAlpha = alpha;
1938     }
1939 }
1940
1941 void wxGtkPrinterDCImpl::SetBrush( const wxBrush& brush )
1942 {
1943     if (!brush.IsOk()) return;
1944
1945     m_brush = brush;
1946
1947     if (m_brush.GetStyle() == wxBRUSHSTYLE_TRANSPARENT)
1948     {
1949         cairo_set_source_rgba( m_cairo, 0, 0, 0, 0 );
1950         m_currentRed = 0;
1951         m_currentBlue = 0;
1952         m_currentGreen = 0;
1953         m_currentAlpha = 0;
1954         return;
1955     }
1956
1957     // Brush colour.
1958     unsigned char red = m_brush.GetColour().Red();
1959     unsigned char blue = m_brush.GetColour().Blue();
1960     unsigned char green = m_brush.GetColour().Green();
1961     unsigned char alpha = m_brush.GetColour().Alpha();
1962
1963     double redPS = (double)(red) / 255.0;
1964     double bluePS = (double)(blue) / 255.0;
1965     double greenPS = (double)(green) / 255.0;
1966     double alphaPS = (double)(alpha) / 255.0;
1967
1968     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue && alpha == m_currentAlpha))
1969     {
1970         cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1971
1972         m_currentRed = red;
1973         m_currentBlue = blue;
1974         m_currentGreen = green;
1975         m_currentAlpha = alpha;
1976     }
1977
1978     if (m_brush.IsHatch())
1979     {
1980         cairo_t * cr;
1981         cairo_surface_t *surface;
1982         surface = cairo_surface_create_similar(cairo_get_target(m_cairo),CAIRO_CONTENT_COLOR_ALPHA,10,10);
1983         cr = cairo_create(surface);
1984         cairo_set_line_cap(cr, CAIRO_LINE_CAP_SQUARE);
1985         cairo_set_line_width(cr, 1);
1986         cairo_set_line_join(cr,CAIRO_LINE_JOIN_MITER);
1987
1988         switch (m_brush.GetStyle())
1989         {
1990             case wxBRUSHSTYLE_CROSS_HATCH:
1991                 cairo_move_to(cr, 5, 0);
1992                 cairo_line_to(cr, 5, 10);
1993                 cairo_move_to(cr, 0, 5);
1994                 cairo_line_to(cr, 10, 5);
1995                 break;
1996             case wxBRUSHSTYLE_BDIAGONAL_HATCH:
1997                 cairo_move_to(cr, 0, 10);
1998                 cairo_line_to(cr, 10, 0);
1999                 break;
2000             case wxBRUSHSTYLE_FDIAGONAL_HATCH:
2001                 cairo_move_to(cr, 0, 0);
2002                 cairo_line_to(cr, 10, 10);
2003                 break;
2004             case wxBRUSHSTYLE_CROSSDIAG_HATCH:
2005                 cairo_move_to(cr, 0, 0);
2006                 cairo_line_to(cr, 10, 10);
2007                 cairo_move_to(cr, 10, 0);
2008                 cairo_line_to(cr, 0, 10);
2009                 break;
2010             case wxBRUSHSTYLE_HORIZONTAL_HATCH:
2011                 cairo_move_to(cr, 0, 5);
2012                 cairo_line_to(cr, 10, 5);
2013                 break;
2014             case wxBRUSHSTYLE_VERTICAL_HATCH:
2015                 cairo_move_to(cr, 5, 0);
2016                 cairo_line_to(cr, 5, 10);
2017                 break;
2018             default:
2019                 wxFAIL_MSG(_("Couldn't get hatch style from wxBrush."));
2020         }
2021
2022         cairo_set_source_rgba(cr, redPS, greenPS, bluePS, alphaPS);
2023         cairo_stroke (cr);
2024
2025         cairo_destroy(cr);
2026         cairo_pattern_t * pattern = cairo_pattern_create_for_surface (surface);
2027         cairo_surface_destroy(surface);
2028         cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT);
2029         cairo_set_source(m_cairo, pattern);
2030         cairo_pattern_destroy(pattern);
2031     }
2032 }
2033
2034 void wxGtkPrinterDCImpl::SetLogicalFunction( wxRasterOperationMode function )
2035 {
2036     if (function == wxCLEAR)
2037         cairo_set_operator (m_cairo, CAIRO_OPERATOR_CLEAR);
2038     else if (function == wxOR)
2039         cairo_set_operator (m_cairo, CAIRO_OPERATOR_OUT);
2040     else if (function == wxNO_OP)
2041         cairo_set_operator (m_cairo, CAIRO_OPERATOR_DEST);
2042     else if (function == wxAND)
2043         cairo_set_operator (m_cairo, CAIRO_OPERATOR_ADD);
2044     else if (function == wxSET)
2045         cairo_set_operator (m_cairo, CAIRO_OPERATOR_SATURATE);
2046     else if (function == wxXOR)
2047         cairo_set_operator (m_cairo, CAIRO_OPERATOR_XOR);
2048     else // wxCOPY or anything else.
2049         cairo_set_operator (m_cairo, CAIRO_OPERATOR_SOURCE);
2050 }
2051
2052 void wxGtkPrinterDCImpl::SetBackground( const wxBrush& brush )
2053 {
2054     m_backgroundBrush = brush;
2055     cairo_save(m_cairo);
2056     cairo_set_operator (m_cairo, CAIRO_OPERATOR_DEST_OVER);
2057
2058     SetBrush(m_backgroundBrush);
2059     cairo_paint(m_cairo);
2060     cairo_restore(m_cairo);
2061 }
2062
2063 void wxGtkPrinterDCImpl::SetBackgroundMode(int mode)
2064 {
2065     if (mode == wxBRUSHSTYLE_SOLID)
2066         m_backgroundMode = wxBRUSHSTYLE_SOLID;
2067     else
2068         m_backgroundMode = wxBRUSHSTYLE_TRANSPARENT;
2069 }
2070
2071 void wxGtkPrinterDCImpl::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
2072 {
2073     cairo_rectangle ( m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(width), YLOG2DEVREL(height));
2074     cairo_clip(m_cairo);
2075 }
2076
2077 void wxGtkPrinterDCImpl::DestroyClippingRegion()
2078 {
2079     cairo_reset_clip(m_cairo);
2080 }
2081
2082 bool wxGtkPrinterDCImpl::StartDoc(const wxString& WXUNUSED(message))
2083 {
2084     return true;
2085 }
2086
2087 void wxGtkPrinterDCImpl::EndDoc()
2088 {
2089     return;
2090 }
2091
2092 void wxGtkPrinterDCImpl::StartPage()
2093 {
2094     // Notice that we may change the Cairo transformation matrix only here and
2095     // not before (e.g. in wxGtkPrinterDCImpl ctor as we used to do) in order
2096     // to not affect _gtk_print_context_rotate_according_to_orientation() which
2097     // is used in GTK+ itself and wouldn't work correctly if we applied these
2098     // transformations before it is called.
2099
2100     // By default the origin of the Cairo context is in the upper left
2101     // corner of the printable area. We need to translate it so that it
2102     // is in the upper left corner of the paper (without margins)
2103     GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc );
2104     gdouble ml, mt;
2105     ml = gtk_page_setup_get_left_margin (setup, GTK_UNIT_POINTS);
2106     mt = gtk_page_setup_get_top_margin (setup, GTK_UNIT_POINTS);
2107     cairo_translate(m_cairo, -ml, -mt);
2108
2109 #if wxCAIRO_SCALE
2110     cairo_scale( m_cairo, 72.0 / (double)m_resolution, 72.0 / (double)m_resolution );
2111 #endif
2112 }
2113
2114 void wxGtkPrinterDCImpl::EndPage()
2115 {
2116     return;
2117 }
2118
2119 wxCoord wxGtkPrinterDCImpl::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 wxGtkPrinterDCImpl::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 wxGtkPrinterDCImpl::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     cairo_save( m_cairo );
2159     cairo_scale(m_cairo, m_scaleX, m_scaleY);
2160
2161     // Set layout's text
2162     const wxScopedCharBuffer dataUTF8 = string.utf8_str();
2163
2164     gint oldSize=0;
2165     if ( theFont )
2166     {
2167         // scale the font and apply it
2168         PangoFontDescription *desc = theFont->GetNativeFontInfo()->description;
2169         oldSize = pango_font_description_get_size(desc);
2170         const float size = oldSize * GetFontPointSizeAdjustment(72.0);
2171         pango_font_description_set_size(desc, (gint)size);
2172
2173         pango_layout_set_font_description(m_layout, desc);
2174     }
2175
2176     pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
2177
2178     int h;
2179     pango_layout_get_pixel_size( m_layout, width, &h );
2180     if ( height )
2181         *height = h;
2182
2183     if (descent)
2184     {
2185         PangoLayoutIter *iter = pango_layout_get_iter(m_layout);
2186         int baseline = pango_layout_iter_get_baseline(iter);
2187         pango_layout_iter_free(iter);
2188         *descent = h - PANGO_PIXELS(baseline);
2189     }
2190
2191     if ( theFont )
2192     {
2193         // restore font and reset font's size back
2194         pango_layout_set_font_description(m_layout, m_fontdesc);
2195
2196         PangoFontDescription *desc = theFont->GetNativeFontInfo()->description;
2197         pango_font_description_set_size(desc, oldSize);
2198     }
2199
2200     cairo_restore( m_cairo );
2201 }
2202
2203 void wxGtkPrinterDCImpl::DoGetSize(int* width, int* height) const
2204 {
2205     GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc );
2206
2207     if (width)
2208         *width = wxRound( (double)gtk_page_setup_get_paper_width( setup, GTK_UNIT_POINTS ) * (double)m_resolution / 72.0 );
2209     if (height)
2210         *height = wxRound( (double)gtk_page_setup_get_paper_height( setup, GTK_UNIT_POINTS ) * (double)m_resolution / 72.0 );
2211 }
2212
2213 void wxGtkPrinterDCImpl::DoGetSizeMM(int *width, int *height) const
2214 {
2215     GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc );
2216
2217     if (width)
2218         *width = wxRound( gtk_page_setup_get_paper_width( setup, GTK_UNIT_MM ) );
2219     if (height)
2220         *height = wxRound( gtk_page_setup_get_paper_height( setup, GTK_UNIT_MM ) );
2221 }
2222
2223 wxSize wxGtkPrinterDCImpl::GetPPI() const
2224 {
2225     return wxSize( (int)m_resolution, (int)m_resolution );
2226 }
2227
2228 void wxGtkPrinterDCImpl::SetPrintData(const wxPrintData& data)
2229 {
2230     m_printData = data;
2231 }
2232
2233 // overridden for wxPrinterDC Impl
2234
2235 wxRect wxGtkPrinterDCImpl::GetPaperRect() const
2236 {
2237     // Does GtkPrint support printer margins?
2238     int w = 0;
2239     int h = 0;
2240     DoGetSize( &w, &h );
2241     return wxRect( 0,0,w,h );
2242 }
2243
2244 int wxGtkPrinterDCImpl::GetResolution() const
2245 {
2246     return m_resolution;
2247 }
2248
2249 // ----------------------------------------------------------------------------
2250 // Print preview
2251 // ----------------------------------------------------------------------------
2252
2253 IMPLEMENT_CLASS(wxGtkPrintPreview, wxPrintPreviewBase)
2254
2255 void wxGtkPrintPreview::Init(wxPrintout * WXUNUSED(printout),
2256                              wxPrintout * WXUNUSED(printoutForPrinting),
2257                              wxPrintData *data)
2258 {
2259     // convert wxPrintQuality to resolution (input pointer can be NULL)
2260     wxPrintQuality quality = data ? data->GetQuality() : wxPRINT_QUALITY_MEDIUM;
2261     switch ( quality )
2262     {
2263         case wxPRINT_QUALITY_HIGH:
2264             m_resolution = 1200;
2265             break;
2266
2267         case wxPRINT_QUALITY_LOW:
2268             m_resolution = 300;
2269             break;
2270
2271         case wxPRINT_QUALITY_DRAFT:
2272             m_resolution = 150;
2273             break;
2274
2275         default:
2276             if ( quality > 0 )
2277             {
2278                 // positive values directly indicate print resolution
2279                 m_resolution = quality;
2280                 break;
2281             }
2282
2283             wxFAIL_MSG( "unknown print quality" );
2284             // fall through
2285
2286         case wxPRINT_QUALITY_MEDIUM:
2287             m_resolution = 600;
2288             break;
2289
2290     }
2291
2292     DetermineScaling();
2293 }
2294
2295 wxGtkPrintPreview::wxGtkPrintPreview(wxPrintout *printout,
2296                                      wxPrintout *printoutForPrinting,
2297                                      wxPrintDialogData *data)
2298                  : wxPrintPreviewBase(printout, printoutForPrinting, data)
2299 {
2300     Init(printout, printoutForPrinting, data ? &data->GetPrintData() : NULL);
2301 }
2302
2303 wxGtkPrintPreview::wxGtkPrintPreview(wxPrintout *printout,
2304                                      wxPrintout *printoutForPrinting,
2305                                      wxPrintData *data)
2306                  : wxPrintPreviewBase(printout, printoutForPrinting, data)
2307 {
2308     Init(printout, printoutForPrinting, data);
2309 }
2310
2311 wxGtkPrintPreview::~wxGtkPrintPreview()
2312 {
2313 }
2314
2315 bool wxGtkPrintPreview::Print(bool interactive)
2316 {
2317     if (!m_printPrintout)
2318         return false;
2319
2320     wxPrinter printer(& m_printDialogData);
2321     return printer.Print(m_previewFrame, m_printPrintout, interactive);
2322 }
2323
2324 void wxGtkPrintPreview::DetermineScaling()
2325 {
2326     wxPaperSize paperType = m_printDialogData.GetPrintData().GetPaperId();
2327
2328     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType);
2329     if (!paper)
2330         paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
2331
2332     if (paper)
2333     {
2334         const wxSize screenPPI = wxGetDisplayPPI();
2335         int logPPIScreenX = screenPPI.GetWidth();
2336         int logPPIScreenY = screenPPI.GetHeight();
2337         int logPPIPrinterX = m_resolution;
2338         int logPPIPrinterY = m_resolution;
2339
2340         m_previewPrintout->SetPPIScreen( logPPIScreenX, logPPIScreenY );
2341         m_previewPrintout->SetPPIPrinter( logPPIPrinterX, logPPIPrinterY );
2342
2343         // Get width and height in points (1/72th of an inch)
2344         wxSize sizeDevUnits(paper->GetSizeDeviceUnits());
2345         sizeDevUnits.x = wxRound((double)sizeDevUnits.x * (double)m_resolution / 72.0);
2346         sizeDevUnits.y = wxRound((double)sizeDevUnits.y * (double)m_resolution / 72.0);
2347
2348         wxSize sizeTenthsMM(paper->GetSize());
2349         wxSize sizeMM(sizeTenthsMM.x / 10, sizeTenthsMM.y / 10);
2350
2351         // If in landscape mode, we need to swap the width and height.
2352         if ( m_printDialogData.GetPrintData().GetOrientation() == wxLANDSCAPE )
2353         {
2354             m_pageWidth = sizeDevUnits.y;
2355             m_pageHeight = sizeDevUnits.x;
2356             m_previewPrintout->SetPageSizeMM(sizeMM.y, sizeMM.x);
2357         }
2358         else
2359         {
2360             m_pageWidth = sizeDevUnits.x;
2361             m_pageHeight = sizeDevUnits.y;
2362             m_previewPrintout->SetPageSizeMM(sizeMM.x, sizeMM.y);
2363         }
2364         m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
2365         m_previewPrintout->SetPaperRectPixels(wxRect(0, 0, m_pageWidth, m_pageHeight));
2366
2367         // At 100%, the page should look about page-size on the screen.
2368         m_previewScaleX = float(logPPIScreenX) / logPPIPrinterX;
2369         m_previewScaleY = float(logPPIScreenY) / logPPIPrinterY;
2370     }
2371 }
2372
2373 #endif
2374      // wxUSE_GTKPRINT