src/gtk/print.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/gtk/print.cpp
   3 // Author:      Anthony Bretaudeau
   4 // Purpose:     GTK printing support
   5 // Created:     2007-08-25
   6 // RCS-ID:      $Id: print.cpp,v 1 2007-08-25 05:44:44 PC Exp $
   7 // Copyright:   (c) 2007 wxWidgets development team
   8 // Licence:     wxWindows Licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx/wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15 #pragma hdrstop
  16 #endif
  17
  18 #if wxUSE_GTKPRINT
  19
  20 #include "wx/gtk/print.h"
  21
  22 #ifndef WX_PRECOMP
  23 #include "wx/log.h"
  24 #include "wx/dcmemory.h"
  25 #include "wx/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/gtk/private.h"
  35 #include "wx/dynlib.h"
  36 #include "wx/paper.h"
  37 #include "wx/rawbmp.h"
  38
  39 #include <gtk/gtk.h>
  40 #include <gtk/gtkpagesetupunixdialog.h>
  41
  42 #if wxUSE_GRAPHICS_CONTEXT
  43 #include "wx/graphics.h"
  44 #endif
  45
  46 #include "wx/link.h"
  47 wxFORCE_LINK_THIS_MODULE(gtk_print)
  48
  49 #if wxUSE_LIBGNOMEPRINT
  50 #include "wx/gtk/gnome/gprint.h"
  51 #endif
  52
  53 // Usefull to convert angles from/to Rad to/from Deg.
  54 static const double RAD2DEG  = 180.0 / M_PI;
  55 static const double DEG2RAD  = M_PI / 180.0;
  56
  57 //----------------------------------------------------------------------------
  58 // wxGtkPrintModule
  59 // Initialized when starting the app : if it successfully load the gtk-print framework,
  60 // it uses it. If not, it falls back to gnome print (see /gtk/gnome/gprint.cpp) then
  61 // to postscript if gnomeprint is not available.
  62 //----------------------------------------------------------------------------
  63
  64 class wxGtkPrintModule: public wxModule
  65 {
  66 public:
  67     wxGtkPrintModule()
  68     {
  69 #if wxUSE_LIBGNOMEPRINT
  70         // This module must be initialized AFTER gnomeprint's one
  71         AddDependency(CLASSINFO(wxGnomePrintModule));
  72 #endif
  73     }
  74     bool OnInit();
  75     void OnExit() {}
  76
  77 private:
  78     DECLARE_DYNAMIC_CLASS(wxGtkPrintModule)
  79 };
  80
  81 bool wxGtkPrintModule::OnInit()
  82 {
  83     if (gtk_check_version(2,10,0) == NULL)
  84         wxPrintFactory::SetPrintFactory( new wxGtkPrintFactory );
  85     return true;
  86 }
  87
  88 IMPLEMENT_DYNAMIC_CLASS(wxGtkPrintModule, wxModule)
  89
  90 //----------------------------------------------------------------------------
  91 // wxGtkPrintFactory
  92 //----------------------------------------------------------------------------
  93
  94 wxPrinterBase* wxGtkPrintFactory::CreatePrinter( wxPrintDialogData *data )
  95 {
  96     return new wxGtkPrinter( data );
  97 }
  98
  99 wxPrintPreviewBase *wxGtkPrintFactory::CreatePrintPreview( wxPrintout *preview,
 100                                                     wxPrintout *printout,
 101                                                     wxPrintDialogData *data )
 102 {
 103     return new wxGtkPrintPreview( preview, printout, data );
 104 }
 105
 106 wxPrintPreviewBase *wxGtkPrintFactory::CreatePrintPreview( wxPrintout *preview,
 107                                                     wxPrintout *printout,
 108                                                     wxPrintData *data )
 109 {
 110     return new wxGtkPrintPreview( preview, printout, data );
 111 }
 112
 113 wxPrintDialogBase *wxGtkPrintFactory::CreatePrintDialog( wxWindow *parent,
 114                                                   wxPrintDialogData *data )
 115 {
 116     return new wxGtkPrintDialog( parent, data );
 117 }
 118
 119 wxPrintDialogBase *wxGtkPrintFactory::CreatePrintDialog( wxWindow *parent,
 120                                                   wxPrintData *data )
 121 {
 122     return new wxGtkPrintDialog( parent, data );
 123 }
 124
 125 wxPageSetupDialogBase *wxGtkPrintFactory::CreatePageSetupDialog( wxWindow *parent,
 126                                                           wxPageSetupDialogData * data )
 127 {
 128     return new wxGtkPageSetupDialog( parent, data );
 129 }
 130
 131 bool wxGtkPrintFactory::HasPrintSetupDialog()
 132 {
 133     return false;
 134 }
 135
 136 wxDialog *
 137 wxGtkPrintFactory::CreatePrintSetupDialog(wxWindow * WXUNUSED(parent),
 138                                           wxPrintData * WXUNUSED(data))
 139 {
 140     return NULL;
 141 }
 142
 143 wxDCImpl* wxGtkPrintFactory::CreatePrinterDCImpl( wxPrinterDC *owner, const wxPrintData& data )
 144 {
 145     return new wxGtkPrinterDCImpl( owner, data );
 146 }
 147
 148 bool wxGtkPrintFactory::HasOwnPrintToFile()
 149 {
 150     return true;
 151 }
 152
 153 bool wxGtkPrintFactory::HasPrinterLine()
 154 {
 155     return true;
 156 }
 157
 158 wxString wxGtkPrintFactory::CreatePrinterLine()
 159 {
 160     // redundant now
 161     return wxEmptyString;
 162 }
 163
 164 bool wxGtkPrintFactory::HasStatusLine()
 165 {
 166     // redundant now
 167     return true;
 168 }
 169
 170 wxString wxGtkPrintFactory::CreateStatusLine()
 171 {
 172     // redundant now
 173     return wxEmptyString;
 174 }
 175
 176 wxPrintNativeDataBase *wxGtkPrintFactory::CreatePrintNativeData()
 177 {
 178     return new wxGtkPrintNativeData;
 179 }
 180
 181 //----------------------------------------------------------------------------
 182 // Callback functions for Gtk Printings.
 183 //----------------------------------------------------------------------------
 184
 185 // We use it to pass useful objects to GTK printing callback functions.
 186 struct wxPrinterToGtkData
 187 {
 188    wxGtkPrinter * printer;
 189    wxPrintout * printout;
 190 };
 191
 192 extern "C"
 193 {
 194     static void gtk_begin_print_callback (GtkPrintOperation *operation, GtkPrintContext *context, gpointer user_data)
 195     {
 196         wxPrinterToGtkData *data = (wxPrinterToGtkData *) user_data;
 197
 198         data->printer->BeginPrint(data->printout, operation, context);
 199     }
 200
 201     static void gtk_draw_page_print_callback (GtkPrintOperation *operation, GtkPrintContext *context, gint page_nr, gpointer user_data)
 202     {
 203         wxPrinterToGtkData *data = (wxPrinterToGtkData *) user_data;
 204
 205         data->printer->DrawPage(data->printout, operation, context, page_nr);
 206     }
 207
 208     static void gtk_end_print_callback(GtkPrintOperation * WXUNUSED(operation),
 209                                        GtkPrintContext * WXUNUSED(context),
 210                                        gpointer user_data)
 211     {
 212         wxPrintout *printout = (wxPrintout *) user_data;
 213
 214         printout->OnEndPrinting();
 215     }
 216
 217     static gboolean
 218     gtk_preview_print_callback(GtkPrintOperation * WXUNUSED(operation),
 219                                GtkPrintOperationPreview * WXUNUSED(preview),
 220                                GtkPrintContext *context,
 221                                GtkWindow *parent,
 222                                gpointer user_data)
 223     {
 224         wxPrintout *printout = (wxPrintout *) user_data;
 225
 226         printout->SetIsPreview(true);
 227
 228         /* We create a Cairo context with 72dpi resolution. This resolution is
 229          * only used for positioning. */
 230         cairo_t *cairo = gdk_cairo_create(GTK_WIDGET(parent)->window);
 231         gtk_print_context_set_cairo_context(context, cairo, 72, 72);
 232
 233         return false;
 234     }
 235 }
 236
 237 //----------------------------------------------------------------------------
 238 // wxGtkPrintNativeData
 239 //----------------------------------------------------------------------------
 240
 241 IMPLEMENT_CLASS(wxGtkPrintNativeData, wxPrintNativeDataBase)
 242
 243 wxGtkPrintNativeData::wxGtkPrintNativeData()
 244 {
 245     m_config = gtk_print_settings_new();
 246 }
 247
 248 wxGtkPrintNativeData::~wxGtkPrintNativeData()
 249 {
 250     g_object_unref (m_config);
 251 }
 252
 253 // Convert datas stored in m_config to a wxPrintData.
 254 // Called by wxPrintData::ConvertFromNative().
 255 bool wxGtkPrintNativeData::TransferTo( wxPrintData &data )
 256 {
 257     if(!m_config)
 258         return false;
 259
 260     int resolution = gtk_print_settings_get_resolution(m_config);
 261     if ( resolution > 0 )
 262     {
 263         // if resolution is explicitly set, use it
 264         data.SetQuality(resolution);
 265     }
 266     else // use more vague "quality"
 267     {
 268         GtkPrintQuality quality = gtk_print_settings_get_quality(m_config);
 269         if (quality == GTK_PRINT_QUALITY_HIGH)
 270             data.SetQuality(wxPRINT_QUALITY_HIGH);
 271         else if (quality == GTK_PRINT_QUALITY_LOW)
 272             data.SetQuality(wxPRINT_QUALITY_LOW);
 273         else if (quality == GTK_PRINT_QUALITY_DRAFT)
 274             data.SetQuality(wxPRINT_QUALITY_DRAFT);
 275         else
 276             data.SetQuality(wxPRINT_QUALITY_MEDIUM);
 277     }
 278
 279     data.SetNoCopies(gtk_print_settings_get_n_copies(m_config));
 280
 281     data.SetColour(gtk_print_settings_get_use_color(m_config));
 282
 283     switch (gtk_print_settings_get_duplex(m_config))
 284     {
 285         case GTK_PRINT_DUPLEX_SIMPLEX:      data.SetDuplex (wxDUPLEX_SIMPLEX);
 286                                             break;
 287
 288         case GTK_PRINT_DUPLEX_HORIZONTAL:   data.SetDuplex (wxDUPLEX_HORIZONTAL);
 289                                             break;
 290
 291         default:
 292         case GTK_PRINT_DUPLEX_VERTICAL:      data.SetDuplex (wxDUPLEX_VERTICAL);
 293                                             break;
 294     }
 295
 296     GtkPageOrientation orientation = gtk_print_settings_get_orientation (m_config);
 297     if (orientation == GTK_PAGE_ORIENTATION_PORTRAIT)
 298     {
 299         data.SetOrientation(wxPORTRAIT);
 300         data.SetOrientationReversed(false);
 301     }
 302     else if (orientation == GTK_PAGE_ORIENTATION_LANDSCAPE)
 303     {
 304         data.SetOrientation(wxLANDSCAPE);
 305         data.SetOrientationReversed(false);
 306     }
 307     else if (orientation == GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT)
 308     {
 309         data.SetOrientation(wxPORTRAIT);
 310         data.SetOrientationReversed(true);
 311     }
 312     else if (orientation == GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE)
 313     {
 314         data.SetOrientation(wxLANDSCAPE);
 315         data.SetOrientationReversed(true);
 316     }
 317
 318     data.SetCollate(gtk_print_settings_get_collate (m_config));
 319
 320     // Paper formats : these are the most common paper formats.
 321     GtkPaperSize *paper_size = gtk_print_settings_get_paper_size (m_config);
 322     if (!paper_size)
 323         data.SetPaperId(wxPAPER_NONE);
 324     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_A3)))
 325         data.SetPaperId(wxPAPER_A3);
 326     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_A4)))
 327         data.SetPaperId(wxPAPER_A4);
 328     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_A5)))
 329         data.SetPaperId(wxPAPER_A5);
 330     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_B5)))
 331         data.SetPaperId(wxPAPER_B5);
 332     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_LETTER)))
 333         data.SetPaperId(wxPAPER_LETTER);
 334     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_LEGAL)))
 335         data.SetPaperId(wxPAPER_LEGAL);
 336     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new (GTK_PAPER_NAME_EXECUTIVE)))
 337         data.SetPaperId(wxPAPER_EXECUTIVE);
 338     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"na_number-10")))
 339         data.SetPaperId(wxPAPER_ENV_10);
 340     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c5")))
 341         data.SetPaperId(wxPAPER_ENV_C5);
 342     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c6")))
 343         data.SetPaperId(wxPAPER_ENV_C6);
 344     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"jis-b5")))
 345         data.SetPaperId(wxPAPER_B5_TRANSVERSE);
 346     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b5")))
 347         data.SetPaperId(wxPAPER_ENV_B5);
 348     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"na_monarch")))
 349         data.SetPaperId(wxPAPER_ENV_MONARCH);
 350     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-c")))
 351         data.SetPaperId( wxPAPER_CSHEET);
 352     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-d")))
 353         data.SetPaperId( wxPAPER_DSHEET);
 354     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-e")))
 355         data.SetPaperId( wxPAPER_ESHEET);
 356     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"letter")))
 357         data.SetPaperId( wxPAPER_LETTERSMALL);
 358     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"engineering-b")))
 359         data.SetPaperId( wxPAPER_TABLOID);
 360     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"ledger")))
 361         data.SetPaperId( wxPAPER_LEDGER);
 362     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"statement")))
 363         data.SetPaperId( wxPAPER_STATEMENT);
 364     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( GTK_PAPER_NAME_A4 )))
 365         data.SetPaperId( wxPAPER_A4SMALL);
 366     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b4")))
 367         data.SetPaperId( wxPAPER_B4);
 368     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"folio")))
 369         data.SetPaperId( wxPAPER_FOLIO);
 370     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"quarto")))
 371         data.SetPaperId( wxPAPER_QUARTO);
 372     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"10x14")))
 373         data.SetPaperId( wxPAPER_10X14);
 374     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"ledger")))
 375         data.SetPaperId( wxPAPER_11X17);
 376     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"letter")))
 377         data.SetPaperId( wxPAPER_NOTE);
 378     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"na-number-9-envelope")))
 379         data.SetPaperId( wxPAPER_ENV_9);
 380     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"number-11")))
 381         data.SetPaperId( wxPAPER_ENV_11);
 382     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"number-12")))
 383         data.SetPaperId( wxPAPER_ENV_12);
 384     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"number-14")))
 385         data.SetPaperId( wxPAPER_ENV_14);
 386     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-designated")))
 387         data.SetPaperId( wxPAPER_ENV_DL);
 388     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c3")))
 389         data.SetPaperId( wxPAPER_ENV_C3);
 390     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-c4")))
 391         data.SetPaperId( wxPAPER_ENV_C4);
 392     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"c6/c5")))
 393         data.SetPaperId( wxPAPER_ENV_C65);
 394     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b4")))
 395         data.SetPaperId( wxPAPER_ENV_B4);
 396     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"iso-b6")))
 397             data.SetPaperId( wxPAPER_ENV_B6);
 398     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"Italian")))
 399         data.SetPaperId( wxPAPER_ENV_ITALY);
 400     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"personal")))
 401         data.SetPaperId( wxPAPER_ENV_PERSONAL);
 402     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"fanfold-us")))
 403         data.SetPaperId( wxPAPER_FANFOLD_US);
 404     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"fanfold-European")))
 405         data.SetPaperId( wxPAPER_FANFOLD_STD_GERMAN);
 406     else if (gtk_paper_size_is_equal(paper_size,gtk_paper_size_new ( (const gchar*)"foolscap")))
 407         data.SetPaperId( wxPAPER_FANFOLD_LGL_GERMAN);
 408     else
 409         data.SetPaperId(wxPAPER_NONE);
 410     return true;
 411 }
 412
 413 // Put datas given by the wxPrintData into m_config.
 414 // Called by wxPrintData::ConvertToNative().
 415 bool wxGtkPrintNativeData::TransferFrom( const wxPrintData &data )
 416 {
 417     if(!m_config)
 418         return false;
 419
 420     wxPrintQuality quality = data.GetQuality();
 421     if (quality == wxPRINT_QUALITY_HIGH)
 422         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_HIGH);
 423     else if (quality == wxPRINT_QUALITY_MEDIUM)
 424         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_NORMAL);
 425     else if (quality == wxPRINT_QUALITY_LOW)
 426         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_LOW);
 427     else if (quality == wxPRINT_QUALITY_DRAFT)
 428         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_DRAFT);
 429     else if (quality > 1)
 430         gtk_print_settings_set_resolution (m_config, quality);
 431     else
 432         gtk_print_settings_set_quality (m_config, GTK_PRINT_QUALITY_NORMAL);
 433
 434     gtk_print_settings_set_n_copies(m_config, data.GetNoCopies());
 435
 436     gtk_print_settings_set_use_color(m_config, data.GetColour());
 437
 438     switch (data.GetDuplex())
 439     {
 440         case wxDUPLEX_SIMPLEX:      gtk_print_settings_set_duplex (m_config, GTK_PRINT_DUPLEX_SIMPLEX);
 441                                 break;
 442
 443         case wxDUPLEX_HORIZONTAL:   gtk_print_settings_set_duplex (m_config, GTK_PRINT_DUPLEX_HORIZONTAL);
 444                                 break;
 445
 446         default:
 447         case wxDUPLEX_VERTICAL:      gtk_print_settings_set_duplex (m_config, GTK_PRINT_DUPLEX_VERTICAL);
 448                                 break;
 449     }
 450
 451     if (!data.IsOrientationReversed())
 452     {
 453         if (data.GetOrientation() == wxLANDSCAPE)
 454             gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_LANDSCAPE);
 455         else
 456             gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_PORTRAIT);
 457     }
 458     else {
 459         if (data.GetOrientation() == wxLANDSCAPE)
 460             gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE);
 461         else
 462             gtk_print_settings_set_orientation (m_config, GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT);
 463     }
 464
 465     gtk_print_settings_set_collate (m_config, data.GetCollate());
 466
 467     // Paper formats: these are the most common paper formats.
 468     switch (data.GetPaperId())
 469     {
 470         case wxPAPER_A3:        gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A3));
 471                                 break;
 472         case wxPAPER_A4:        gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A4));
 473                                 break;
 474         case wxPAPER_A5:        gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A5));
 475                                 break;
 476         case wxPAPER_B5_TRANSVERSE:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "jis-b5"));
 477                                 break;
 478         case wxPAPER_B5:        gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_B5));
 479                                 break;
 480         case wxPAPER_LETTER:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_LETTER));
 481                                 break;
 482         case wxPAPER_LEGAL:     gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_LEGAL));
 483                                 break;
 484         case wxPAPER_EXECUTIVE: gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_EXECUTIVE));
 485                                 break;
 486         case wxPAPER_ENV_10:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "na_number-10"));
 487                                 break;
 488         case wxPAPER_ENV_C5:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c5"));
 489                                 break;
 490         case wxPAPER_ENV_C6:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c6"));
 491                                 break;
 492         case wxPAPER_ENV_B5:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c5b5"));
 493                                 break;
 494         case wxPAPER_ENV_MONARCH:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "na_monarch"));
 495                                 break;
 496         case wxPAPER_CSHEET:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-c"));
 497                                 break;
 498         case wxPAPER_DSHEET:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-d"));
 499                                 break;
 500         case wxPAPER_ESHEET:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-e"));
 501                                 break;
 502         case wxPAPER_LETTERSMALL:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "letter"));
 503                                 break;
 504         case wxPAPER_TABLOID:   gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "engineering-b"));
 505                                 break;
 506         case wxPAPER_LEDGER:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "ledger"));
 507                                 break;
 508         case wxPAPER_STATEMENT:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "statement"));
 509                                 break;
 510         case wxPAPER_A4SMALL:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new (GTK_PAPER_NAME_A4));
 511                                 break;
 512         case wxPAPER_B4:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-b4"));
 513                                 break;
 514         case wxPAPER_FOLIO:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "folio"));
 515                                 break;
 516         case wxPAPER_QUARTO:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "quarto"));
 517                                 break;
 518         case wxPAPER_10X14:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "10x14"));
 519                                 break;
 520         case wxPAPER_11X17:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "ledger"));
 521                                 break;
 522         case wxPAPER_NOTE:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "letter"));
 523                                 break;
 524         case wxPAPER_ENV_9:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "na-number-9-envelope"));
 525                                 break;
 526         case wxPAPER_ENV_11:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "number-11"));
 527                                 break;
 528         case wxPAPER_ENV_12:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "number-12"));
 529                                 break;
 530         case wxPAPER_ENV_14:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "number-14"));
 531                                 break;
 532         case wxPAPER_ENV_DL:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-designated"));
 533                                 break;
 534         case wxPAPER_ENV_C3:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c3"));
 535                                 break;
 536         case wxPAPER_ENV_C4:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-c4"));
 537                                 break;
 538         case wxPAPER_ENV_C65:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "c6/c5"));
 539                                 break;
 540         case wxPAPER_ENV_B4:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-b4"));
 541                                 break;
 542         case wxPAPER_ENV_B6:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "iso-b6"));
 543                                 break;
 544         case wxPAPER_ENV_ITALY:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "Italian"));
 545                                 break;
 546         case wxPAPER_ENV_PERSONAL:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "personal"));
 547                                 break;
 548         case wxPAPER_FANFOLD_US:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "fanfold-us"));
 549                                 break;
 550         case wxPAPER_FANFOLD_STD_GERMAN:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "fanfold-European"));
 551                                 break;
 552         case wxPAPER_FANFOLD_LGL_GERMAN:    gtk_print_settings_set_paper_size(m_config, gtk_paper_size_new ((const gchar*) "foolscap"));
 553                                 break;
 554         case wxPAPER_NONE:
 555         default:                break;
 556     }
 557
 558     return true;
 559 }
 560
 561 void wxGtkPrintNativeData::SetPrintConfig( GtkPrintSettings * config )
 562 {
 563     if (config)
 564         m_config = gtk_print_settings_copy(config);
 565 }
 566
 567 // Extract page setup from settings.
 568 GtkPageSetup* wxGtkPrintNativeData::GetPageSetupFromSettings(GtkPrintSettings* settings)
 569 {
 570     GtkPageSetup* page_setup = gtk_page_setup_new();
 571     gtk_page_setup_set_orientation (page_setup, gtk_print_settings_get_orientation (settings));
 572
 573     GtkPaperSize *paper_size = gtk_print_settings_get_paper_size (settings);
 574     if (paper_size != NULL)
 575         gtk_page_setup_set_paper_size_and_default_margins (page_setup, paper_size);
 576
 577     return page_setup;
 578 }
 579
 580 // Insert page setup into a given GtkPrintSettings.
 581 void wxGtkPrintNativeData::SetPageSetupToSettings(GtkPrintSettings* settings, GtkPageSetup* page_setup)
 582 {
 583     gtk_print_settings_set_orientation ( settings, gtk_page_setup_get_orientation (page_setup));
 584     gtk_print_settings_set_paper_size ( settings, gtk_page_setup_get_paper_size (page_setup));
 585 }
 586
 587 //----------------------------------------------------------------------------
 588 // wxGtkPrintDialog
 589 //----------------------------------------------------------------------------
 590
 591 IMPLEMENT_CLASS(wxGtkPrintDialog, wxPrintDialogBase)
 592
 593 wxGtkPrintDialog::wxGtkPrintDialog( wxWindow *parent, wxPrintDialogData *data )
 594                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 595                                wxPoint(0, 0), wxSize(600, 600),
 596                                wxDEFAULT_DIALOG_STYLE |
 597                                wxTAB_TRAVERSAL)
 598 {
 599     if (data)
 600         m_printDialogData = *data;
 601
 602     m_parent = parent;
 603     SetShowDialog(true);
 604 }
 605
 606 wxGtkPrintDialog::wxGtkPrintDialog( wxWindow *parent, wxPrintData *data )
 607                     : wxPrintDialogBase(parent, wxID_ANY, _("Print"),
 608                                wxPoint(0, 0), wxSize(600, 600),
 609                                wxDEFAULT_DIALOG_STYLE |
 610                                wxTAB_TRAVERSAL)
 611 {
 612     if (data)
 613         m_printDialogData = *data;
 614
 615     m_parent = parent;
 616     SetShowDialog(true);
 617 }
 618
 619
 620 wxGtkPrintDialog::~wxGtkPrintDialog()
 621 {
 622 }
 623
 624 // This is called even if we actually don't want the dialog to appear.
 625 int wxGtkPrintDialog::ShowModal()
 626 {
 627     GtkPrintOperationResult response;
 628
 629     // We need to restore the settings given in the constructor.
 630     wxPrintData data = m_printDialogData.GetPrintData();
 631     wxGtkPrintNativeData *native =
 632       (wxGtkPrintNativeData*) data.GetNativeData();
 633     data.ConvertToNative();
 634
 635     GtkPrintSettings * settings = native->GetPrintConfig();
 636
 637     // We have to restore pages to print here because they're stored in a wxPrintDialogData and ConvertToNative only works for wxPrintData.
 638     int fromPage = m_printDialogData.GetFromPage();
 639     int toPage = m_printDialogData.GetToPage();
 640     if (m_printDialogData.GetSelection())
 641         gtk_print_settings_set_print_pages(settings, GTK_PRINT_PAGES_CURRENT);
 642     else if (m_printDialogData.GetAllPages())
 643         gtk_print_settings_set_print_pages(settings, GTK_PRINT_PAGES_ALL);
 644     else {
 645         gtk_print_settings_set_print_pages(settings, GTK_PRINT_PAGES_RANGES);
 646         GtkPageRange *range;
 647         range = g_new (GtkPageRange, 1);
 648         range[0].start = fromPage-1;
 649         range[0].end = (toPage >= fromPage) ? toPage-1 : fromPage-1;
 650         gtk_print_settings_set_page_ranges (settings, range, 1);
 651     }
 652
 653     // If the settings are OK, we restore it.
 654     if (settings != NULL)
 655         gtk_print_operation_set_print_settings (native->GetPrintJob(), settings);
 656     gtk_print_operation_set_default_page_setup (native->GetPrintJob(), native->GetPageSetupFromSettings(settings));
 657
 658     // Show the dialog if needed.
 659     GError* gError = NULL;
 660     if (GetShowDialog())
 661         response = gtk_print_operation_run (native->GetPrintJob(), GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG, GTK_WINDOW(gtk_widget_get_toplevel(m_parent->m_widget) ), &gError);
 662     else
 663         response = gtk_print_operation_run (native->GetPrintJob(), GTK_PRINT_OPERATION_ACTION_PRINT, GTK_WINDOW(gtk_widget_get_toplevel(m_parent->m_widget)), &gError);
 664
 665     // Does everything went well?
 666     if (response == GTK_PRINT_OPERATION_RESULT_CANCEL)
 667     {
 668         return wxID_CANCEL;
 669     }
 670     else if (response == GTK_PRINT_OPERATION_RESULT_ERROR)
 671     {
 672         g_error_free (gError);
 673         wxLogError(_("Error while printing: ") + wxString::Format(_("%s"), gError->message));
 674         return wxID_NO; // We use wxID_NO because there is no wxID_ERROR available
 675     }
 676
 677     // Now get the settings and save it.
 678     GtkPrintSettings* newSettings = gtk_print_operation_get_print_settings (native->GetPrintJob());
 679     native->SetPrintConfig(newSettings);
 680     data.ConvertFromNative();
 681
 682     // Same problem as a few lines before.
 683     switch (gtk_print_settings_get_print_pages(newSettings))
 684     {
 685         case GTK_PRINT_PAGES_CURRENT:
 686             m_printDialogData.SetSelection( true );
 687             break;
 688         case GTK_PRINT_PAGES_RANGES:
 689             {// wxWidgets doesn't support multiple ranges, so we can only save the first one even if the user wants to print others.
 690             // 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
 691             // will hit "OK" button. However we can only save 1-3 in the print data.
 692             gint num_ranges = 0;
 693             GtkPageRange* range;
 694             range = gtk_print_settings_get_page_ranges (newSettings, &num_ranges);
 695             if (num_ranges >= 1)
 696             {
 697                 m_printDialogData.SetFromPage( range[0].start );
 698                 m_printDialogData.SetToPage( range[0].end );
 699             }
 700             else {
 701                 m_printDialogData.SetAllPages( true );
 702                 m_printDialogData.SetFromPage( 0 );
 703                 m_printDialogData.SetToPage( 9999 );
 704             }
 705             break;}
 706         case GTK_PRINT_PAGES_ALL:
 707         default:
 708             m_printDialogData.SetAllPages( true );
 709             m_printDialogData.SetFromPage( 0 );
 710             m_printDialogData.SetToPage( 9999 );
 711             break;
 712     }
 713
 714     return wxID_OK;
 715 }
 716
 717 //----------------------------------------------------------------------------
 718 // wxGtkPageSetupDialog
 719 //----------------------------------------------------------------------------
 720
 721 IMPLEMENT_CLASS(wxGtkPageSetupDialog, wxPageSetupDialogBase)
 722
 723 wxGtkPageSetupDialog::wxGtkPageSetupDialog( wxWindow *parent,
 724                             wxPageSetupDialogData* data )
 725 {
 726     if (data)
 727         m_pageDialogData = *data;
 728
 729     m_parent = parent;
 730 }
 731
 732 wxGtkPageSetupDialog::~wxGtkPageSetupDialog()
 733 {
 734 }
 735
 736 int wxGtkPageSetupDialog::ShowModal()
 737 {
 738     // Get the config.
 739     m_pageDialogData.GetPrintData().ConvertToNative();
 740     wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) m_pageDialogData.GetPrintData().GetNativeData();
 741     GtkPrintSettings* nativeData = native->GetPrintConfig();
 742
 743     // We only need the pagesetup data which are part of the settings.
 744     GtkPageSetup* oldPageSetup = native->GetPageSetupFromSettings(nativeData);
 745
 746     // If the user used a custom paper format the last time he printed, we have to restore it too.
 747     if (m_pageDialogData.GetPrintData().GetPaperId() == wxPAPER_NONE)
 748     {
 749         wxSize customPaperSize = m_pageDialogData.GetPaperSize();
 750         if (customPaperSize.GetWidth() > 0 && customPaperSize.GetHeight() > 0)
 751         {
 752             wxString title = _("Custom size");
 753             GtkPaperSize* customSize = gtk_paper_size_new_custom ("custom", title.mb_str(), (gdouble) customPaperSize.GetWidth(), (gdouble) customPaperSize.GetHeight(), GTK_UNIT_MM);
 754             gtk_page_setup_set_paper_size_and_default_margins (oldPageSetup, customSize);
 755             g_object_unref(customSize);
 756         }
 757     }
 758
 759     // Now show the dialog.
 760     GtkPageSetup* newPageSetup = gtk_print_run_page_setup_dialog (GTK_WINDOW(m_parent->m_widget),
 761                                                            oldPageSetup,
 762                                                            nativeData);
 763
 764     int ret;
 765     if (newPageSetup != oldPageSetup)
 766     {
 767         native->SetPageSetupToSettings(nativeData, newPageSetup);
 768         m_pageDialogData.GetPrintData().ConvertFromNative();
 769
 770         // Store custom paper format if any.
 771         if (m_pageDialogData.GetPrintData().GetPaperId() == wxPAPER_NONE)
 772         {
 773             gdouble ml,mr,mt,mb,pw,ph;
 774             ml = gtk_page_setup_get_left_margin (newPageSetup, GTK_UNIT_MM);
 775             mr = gtk_page_setup_get_right_margin (newPageSetup, GTK_UNIT_MM);
 776             mt = gtk_page_setup_get_top_margin (newPageSetup, GTK_UNIT_MM);
 777             mb = gtk_page_setup_get_bottom_margin (newPageSetup, GTK_UNIT_MM);
 778
 779             pw = gtk_page_setup_get_paper_width (newPageSetup, GTK_UNIT_MM);
 780             ph = gtk_page_setup_get_paper_height (newPageSetup, GTK_UNIT_MM);
 781
 782             m_pageDialogData.SetMarginTopLeft( wxPoint( (int)(ml+0.5), (int)(mt+0.5)) );
 783             m_pageDialogData.SetMarginBottomRight( wxPoint( (int)(mr+0.5), (int)(mb+0.5)) );
 784
 785             m_pageDialogData.SetPaperSize( wxSize( (int)(pw+0.5), (int)(ph+0.5) ) );
 786         }
 787
 788         ret = wxID_OK;
 789     }
 790     else
 791     {
 792         ret = wxID_CANCEL;
 793     }
 794
 795     return ret;
 796 }
 797
 798 //----------------------------------------------------------------------------
 799 // wxGtkPrinter
 800 //----------------------------------------------------------------------------
 801
 802 IMPLEMENT_CLASS(wxGtkPrinter, wxPrinterBase)
 803
 804 wxGtkPrinter::wxGtkPrinter( wxPrintDialogData *data ) :
 805     wxPrinterBase( data )
 806 {
 807     m_gpc = NULL;
 808
 809     if (data)
 810         m_printDialogData = *data;
 811 }
 812
 813 wxGtkPrinter::~wxGtkPrinter()
 814 {
 815 }
 816
 817 bool wxGtkPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt )
 818 {
 819     if (!printout)
 820     {
 821         sm_lastError = wxPRINTER_ERROR;
 822         return false;
 823     }
 824
 825     // Let's correct the PageInfo just in case the app gives wrong values.
 826     int fromPage, toPage;
 827     int minPage, maxPage;
 828     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 829     m_printDialogData.SetAllPages(true);
 830
 831     if (minPage < 1) minPage = 1;
 832     if (maxPage < 1) maxPage = 9999;
 833     if (maxPage < minPage) maxPage = minPage;
 834
 835     m_printDialogData.SetMinPage(minPage);
 836     m_printDialogData.SetMaxPage(maxPage);
 837     if (fromPage != 0)
 838     {
 839         if (fromPage < minPage) fromPage = minPage;
 840         else if (fromPage > maxPage) fromPage = maxPage;
 841         m_printDialogData.SetFromPage(fromPage);
 842     }
 843     if (toPage != 0)
 844     {
 845         m_printDialogData.SetToPage(toPage);
 846         if (toPage > maxPage) toPage = maxPage;
 847         else if (toPage < minPage) toPage = minPage;
 848     }
 849
 850     if (((minPage != fromPage) && fromPage != 0) || ((maxPage != toPage) && toPage != 0)) m_printDialogData.SetAllPages(false);
 851
 852
 853     wxPrintData printdata = GetPrintDialogData().GetPrintData();
 854     wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) printdata.GetNativeData();
 855
 856     GtkPrintOperation *printOp = gtk_print_operation_new ();
 857
 858     native->SetPrintJob( printOp );
 859
 860     printout->SetIsPreview(false);
 861
 862     wxPrinterToGtkData dataToSend;
 863     dataToSend.printer = this;
 864     dataToSend.printout = printout;
 865
 866     // These Gtk signals are caught here.
 867     g_signal_connect (printOp, "begin-print", G_CALLBACK (gtk_begin_print_callback), &dataToSend);
 868     g_signal_connect (printOp, "draw-page", G_CALLBACK (gtk_draw_page_print_callback), &dataToSend);
 869     g_signal_connect (printOp, "end-print", G_CALLBACK (gtk_end_print_callback), printout);
 870     g_signal_connect (printOp, "preview", G_CALLBACK (gtk_preview_print_callback), printout);
 871
 872     // This is used to setup the DC and
 873     // show the dialog if desired
 874     wxGtkPrintDialog dialog( parent, &m_printDialogData );
 875     dialog.SetPrintDC(m_dc);
 876     dialog.SetShowDialog(prompt);
 877
 878     // doesn't necessarily show
 879     int ret = dialog.ShowModal();
 880     if (ret == wxID_CANCEL)
 881     {
 882         sm_lastError = wxPRINTER_CANCELLED;
 883     }
 884     if (ret == wxID_NO)
 885     {
 886         sm_lastError = wxPRINTER_ERROR;
 887         wxFAIL_MSG(_("The print dialog returned an error."));
 888     }
 889
 890     g_object_unref (printOp);
 891
 892     return (sm_lastError == wxPRINTER_NO_ERROR);
 893 }
 894
 895 void wxGtkPrinter::BeginPrint(wxPrintout *printout, GtkPrintOperation *operation, GtkPrintContext *context)
 896 {
 897     wxPrintData printdata = GetPrintDialogData().GetPrintData();
 898     wxGtkPrintNativeData *native = (wxGtkPrintNativeData*) printdata.GetNativeData();
 899
 900     // We need to update printdata with the new data from the dialog and we
 901     // have to do this here because this method needs this new data and we
 902     // cannot update it earlier
 903     native->SetPrintConfig(gtk_print_operation_get_print_settings(operation));
 904     printdata.ConvertFromNative();
 905
 906     SetPrintContext(context);
 907     native->SetPrintContext( context );
 908
 909     wxPrinterDC *printDC = new wxPrinterDC( printdata );
 910     m_dc = printDC;
 911
 912     if (!m_dc->IsOk())
 913     {
 914         if (sm_lastError != wxPRINTER_CANCELLED)
 915         {
 916             sm_lastError = wxPRINTER_ERROR;
 917             wxFAIL_MSG(_("The wxGtkPrinterDC cannot be used."));
 918         }
 919         return;
 920     }
 921
 922     printout->SetPPIScreen(wxGetDisplayPPI());
 923     printout->SetPPIPrinter( printDC->GetResolution(),
 924                              printDC->GetResolution() );
 925
 926     printout->SetDC(m_dc);
 927
 928     int w, h;
 929     m_dc->GetSize(&w, &h);
 930     printout->SetPageSizePixels((int)w, (int)h);
 931     printout->SetPaperRectPixels(wxRect(0, 0, w, h));
 932     int mw, mh;
 933     m_dc->GetSizeMM(&mw, &mh);
 934     printout->SetPageSizeMM((int)mw, (int)mh);
 935     printout->OnPreparePrinting();
 936
 937     // Get some parameters from the printout, if defined.
 938     int fromPage, toPage;
 939     int minPage, maxPage;
 940     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 941
 942     if (maxPage == 0)
 943     {
 944         sm_lastError = wxPRINTER_ERROR;
 945         wxFAIL_MSG(_("wxPrintout::GetPageInfo gives a null maxPage."));
 946         return;
 947     }
 948
 949     printout->OnBeginPrinting();
 950
 951     int numPages = 0;
 952
 953     // If we're not previewing we need to calculate the number of pages to print.
 954     // If we're previewing, Gtk Print will render every pages without wondering about the page ranges the user may
 955     // have defined in the dialog. So the number of pages is the maximum available.
 956     if (!printout->IsPreview())
 957     {
 958         GtkPrintSettings * settings = gtk_print_operation_get_print_settings (operation);
 959         switch (gtk_print_settings_get_print_pages(settings))
 960         {
 961             case GTK_PRINT_PAGES_CURRENT:
 962                 numPages = 1;
 963                 break;
 964             case GTK_PRINT_PAGES_RANGES:
 965                 {gint num_ranges = 0;
 966                 GtkPageRange* range;
 967                 int i;
 968                 range = gtk_print_settings_get_page_ranges (settings, &num_ranges);
 969                 for (i=0; i<num_ranges; i++)
 970                 {
 971                     if (range[i].end < range[i].start) range[i].end = range[i].start;
 972                     if (range[i].start < minPage-1) range[i].start = minPage-1;
 973                     if (range[i].end > maxPage-1) range[i].end = maxPage-1;
 974                     if (range[i].start > maxPage-1) range[i].start = maxPage-1;
 975                     numPages += range[i].end - range[i].start + 1;
 976                 }
 977                 gtk_print_settings_set_page_ranges (settings, range, 1);
 978                 break;}
 979             case GTK_PRINT_PAGES_ALL:
 980             default:
 981                 numPages = maxPage - minPage + 1;
 982                 break;
 983         }
 984     }
 985     else numPages = maxPage - minPage + 1;
 986
 987     gtk_print_operation_set_n_pages(operation, numPages);
 988 }
 989
 990 void wxGtkPrinter::DrawPage(wxPrintout *printout,
 991                             GtkPrintOperation *operation,
 992                             GtkPrintContext * WXUNUSED(context),
 993                             int page_nr)
 994 {
 995     int fromPage, toPage, minPage, maxPage, startPage, endPage;
 996     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 997
 998     int numPageToDraw = page_nr + minPage;
 999     if (numPageToDraw < minPage) numPageToDraw = minPage;
1000     if (numPageToDraw > maxPage) numPageToDraw = maxPage;
1001
1002     GtkPrintSettings * settings = gtk_print_operation_get_print_settings (operation);
1003     switch (gtk_print_settings_get_print_pages(settings))
1004     {
1005         case GTK_PRINT_PAGES_CURRENT:
1006             g_object_get_property((GObject*) operation, (const gchar *) "current-page", (GValue*) &startPage);
1007             g_object_get_property((GObject*) operation, (const gchar *) "current-page", (GValue*) &endPage);
1008             break;
1009         case GTK_PRINT_PAGES_RANGES:
1010             {gint num_ranges = 0;
1011             GtkPageRange* range;
1012             range = gtk_print_settings_get_page_ranges (settings, &num_ranges);
1013             // We don't need to verify these values as it has already been done in wxGtkPrinter::BeginPrint.
1014             if (num_ranges >= 1)
1015             {
1016                 startPage = range[0].start + 1;
1017                 endPage = range[0].end + 1;
1018             }
1019             else {
1020                 startPage = minPage;
1021                 endPage = maxPage;
1022             }
1023             break;}
1024         case GTK_PRINT_PAGES_ALL:
1025         default:
1026             startPage = minPage;
1027             endPage = maxPage;
1028             break;
1029     }
1030
1031     if(numPageToDraw == startPage)
1032     {
1033         if (!printout->OnBeginDocument(startPage, endPage))
1034         {
1035             wxLogError(_("Could not start printing."));
1036             sm_lastError = wxPRINTER_ERROR;
1037         }
1038     }
1039
1040     // The app can render the page numPageToDraw.
1041     if (printout->HasPage(numPageToDraw))
1042     {
1043         m_dc->StartPage();
1044         printout->OnPrintPage(numPageToDraw);
1045         m_dc->EndPage();
1046     }
1047
1048
1049     if(numPageToDraw == endPage)
1050     {
1051         printout->OnEndDocument();
1052     }
1053 }
1054
1055 wxDC* wxGtkPrinter::PrintDialog( wxWindow *parent )
1056 {
1057     wxGtkPrintDialog dialog( parent, &m_printDialogData );
1058
1059     dialog.SetPrintDC(m_dc);
1060     dialog.SetShowDialog(true);
1061
1062     int ret = dialog.ShowModal();
1063
1064     if (ret == wxID_CANCEL)
1065     {
1066         sm_lastError = wxPRINTER_CANCELLED;
1067         return NULL;
1068     }
1069     if (ret == wxID_NO)
1070     {
1071         sm_lastError = wxPRINTER_ERROR;
1072         wxFAIL_MSG(_("The print dialog returned an error."));
1073         return NULL;
1074     }
1075
1076     m_printDialogData = dialog.GetPrintDialogData();
1077
1078     return new wxPrinterDC( m_printDialogData.GetPrintData() );
1079 }
1080
1081 bool wxGtkPrinter::Setup( wxWindow * WXUNUSED(parent) )
1082 {
1083     // Obsolete, for backward compatibility.
1084     return false;
1085 }
1086
1087 //-----------------------------------------------------------------------------
1088 // wxGtkPrinterDC
1089 //-----------------------------------------------------------------------------
1090
1091 #define wxCAIRO_SCALE 1
1092
1093 #if wxCAIRO_SCALE
1094
1095 #define XLOG2DEV(x)     LogicalToDeviceX(x)
1096 #define XLOG2DEVREL(x)  LogicalToDeviceXRel(x)
1097 #define YLOG2DEV(x)     LogicalToDeviceY(x)
1098 #define YLOG2DEVREL(x)  LogicalToDeviceYRel(x)
1099
1100 #else
1101
1102 #define XLOG2DEV(x)     ((double)(LogicalToDeviceX(x)) * m_DEV2PS)
1103 #define XLOG2DEVREL(x)  ((double)(LogicalToDeviceXRel(x)) * m_DEV2PS)
1104 #define YLOG2DEV(x)     ((double)(LogicalToDeviceY(x)) * m_DEV2PS)
1105 #define YLOG2DEVREL(x)  ((double)(LogicalToDeviceYRel(x)) * m_DEV2PS)
1106
1107 #endif
1108
1109 IMPLEMENT_ABSTRACT_CLASS(wxGtkPrinterDCImpl, wxDCImpl)
1110
1111 wxGtkPrinterDCImpl::wxGtkPrinterDCImpl(wxPrinterDC *owner, const wxPrintData& data)
1112                   : wxDCImpl( owner )
1113 {
1114     m_printData = data;
1115
1116     wxGtkPrintNativeData *native =
1117         (wxGtkPrintNativeData*) m_printData.GetNativeData();
1118
1119     m_gpc = native->GetPrintContext();
1120
1121     // Match print quality to resolution (high = 1200dpi)
1122     m_resolution = m_printData.GetQuality(); // (int) gtk_print_context_get_dpi_x( m_gpc );
1123     if (m_resolution < 0)
1124         m_resolution = (1 << (m_resolution+4)) *150;
1125
1126     m_context = gtk_print_context_create_pango_context( m_gpc );
1127     m_layout = gtk_print_context_create_pango_layout ( m_gpc );
1128     m_fontdesc = pango_font_description_from_string( "Sans 12" );
1129
1130     m_cairo = gtk_print_context_get_cairo_context ( m_gpc );
1131
1132 #if wxCAIRO_SCALE
1133     m_PS2DEV = 1.0;
1134     m_DEV2PS = 1.0;
1135
1136     cairo_scale( m_cairo, 72.0 / (double)m_resolution, 72.0 / (double)m_resolution );
1137 #else
1138     m_PS2DEV = (double)m_resolution / 72.0;
1139     m_DEV2PS = 72.0 / (double)m_resolution;
1140 #endif
1141
1142     m_currentRed = 0;
1143     m_currentBlue = 0;
1144     m_currentGreen = 0;
1145
1146     m_signX = 1;  // default x-axis left to right.
1147     m_signY = 1;  // default y-axis bottom up -> top down.
1148
1149     // By default the origin of the Cairo context is in the upper left
1150     // corner of the printable area. We need to translate it so that it
1151     // is in the upper left corner of the paper (without margins)
1152     GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc );
1153     gdouble ml, mt;
1154     ml = gtk_page_setup_get_left_margin (setup, GTK_UNIT_POINTS);
1155     mt = gtk_page_setup_get_top_margin (setup, GTK_UNIT_POINTS);
1156     cairo_translate(m_cairo, -ml, -mt);
1157 }
1158
1159 wxGtkPrinterDCImpl::~wxGtkPrinterDCImpl()
1160 {
1161     g_object_unref(m_context);
1162     g_object_unref(m_layout);
1163 }
1164
1165 bool wxGtkPrinterDCImpl::IsOk() const
1166 {
1167     return m_gpc != NULL;
1168 }
1169
1170 void* wxGtkPrinterDCImpl::GetCairoContext() const
1171 {
1172     return (void*) cairo_reference( m_cairo );
1173 }
1174
1175 bool wxGtkPrinterDCImpl::DoFloodFill(wxCoord WXUNUSED(x1),
1176                                wxCoord WXUNUSED(y1),
1177                                const wxColour& WXUNUSED(col),
1178                                int WXUNUSED(style))
1179 {
1180     // We can't access the given coord as a Cairo context is scalable, ie a
1181     // coord doesn't mean anything in this context.
1182     wxFAIL_MSG(_("not implemented"));
1183     return false;
1184 }
1185
1186 void wxGtkPrinterDCImpl::DoGradientFillConcentric(const wxRect& rect, const wxColour& initialColour, const wxColour& destColour, const wxPoint& circleCenter)
1187 {
1188     wxCoord xC = circleCenter.x;
1189     wxCoord yC = circleCenter.y;
1190     wxCoord xR = rect.x;
1191     wxCoord yR = rect.y;
1192     wxCoord w =  rect.width;
1193     wxCoord h = rect.height;
1194
1195     double radius = sqrt((w/2)*(w/2)+(h/2)*(h/2));
1196
1197     unsigned char redI = initialColour.Red();
1198     unsigned char blueI = initialColour.Blue();
1199     unsigned char greenI = initialColour.Green();
1200     unsigned char alphaI = initialColour.Alpha();
1201     unsigned char redD = destColour.Red();
1202     unsigned char blueD = destColour.Blue();
1203     unsigned char greenD = destColour.Green();
1204     unsigned char alphaD = destColour.Alpha();
1205
1206     double redIPS = (double)(redI) / 255.0;
1207     double blueIPS = (double)(blueI) / 255.0;
1208     double greenIPS = (double)(greenI) / 255.0;
1209     double alphaIPS = (double)(alphaI) / 255.0;
1210     double redDPS = (double)(redD) / 255.0;
1211     double blueDPS = (double)(blueD) / 255.0;
1212     double greenDPS = (double)(greenD) / 255.0;
1213     double alphaDPS = (double)(alphaD) / 255.0;
1214
1215     // Create a pattern with the gradient.
1216     cairo_pattern_t* gradient;
1217     gradient = cairo_pattern_create_radial (XLOG2DEV(xC+xR), YLOG2DEV(yC+yR), 0, XLOG2DEV(xC+xR), YLOG2DEV(yC+yR), radius * m_DEV2PS );
1218     cairo_pattern_add_color_stop_rgba (gradient, 0.0, redIPS, greenIPS, blueIPS, alphaIPS);
1219     cairo_pattern_add_color_stop_rgba (gradient, 1.0, redDPS, greenDPS, blueDPS, alphaDPS);
1220
1221     // Fill the rectangle with this pattern.
1222     cairo_set_source(m_cairo, gradient);
1223     cairo_rectangle (m_cairo, XLOG2DEV(xR), YLOG2DEV(yR), XLOG2DEVREL(w), YLOG2DEVREL(h) );
1224     cairo_fill(m_cairo);
1225
1226     cairo_pattern_destroy(gradient);
1227
1228     CalcBoundingBox(xR, yR);
1229     CalcBoundingBox(xR+w, yR+h);
1230 }
1231
1232 void wxGtkPrinterDCImpl::DoGradientFillLinear(const wxRect& rect, const wxColour& initialColour, const wxColour& destColour, wxDirection nDirection)
1233 {
1234     wxCoord x = rect.x;
1235     wxCoord y = rect.y;
1236     wxCoord w = rect.width;
1237     wxCoord h = rect.height;
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_linear (XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x+w), YLOG2DEV(y));
1260
1261     if (nDirection == wxWEST)
1262     {
1263         cairo_pattern_add_color_stop_rgba (gradient, 0.0, redDPS, greenDPS, blueDPS, alphaDPS);
1264         cairo_pattern_add_color_stop_rgba (gradient, 1.0, redIPS, greenIPS, blueIPS, alphaIPS);
1265     }
1266     else {
1267         cairo_pattern_add_color_stop_rgba (gradient, 0.0, redIPS, greenIPS, blueIPS, alphaIPS);
1268         cairo_pattern_add_color_stop_rgba (gradient, 1.0, redDPS, greenDPS, blueDPS, alphaDPS);
1269     }
1270
1271     // Fill the rectangle with this pattern.
1272     cairo_set_source(m_cairo, gradient);
1273     cairo_rectangle (m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(w), YLOG2DEVREL(h) );
1274     cairo_fill(m_cairo);
1275
1276     cairo_pattern_destroy(gradient);
1277
1278     CalcBoundingBox(x, y);
1279     CalcBoundingBox(x+w, y+h);
1280 }
1281
1282 bool wxGtkPrinterDCImpl::DoGetPixel(wxCoord WXUNUSED(x1),
1283                               wxCoord WXUNUSED(y1),
1284                               wxColour * WXUNUSED(col)) const
1285 {
1286     wxFAIL_MSG(_("not implemented"));
1287     return false;
1288 }
1289
1290 void wxGtkPrinterDCImpl::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
1291 {
1292     if  (m_pen.GetStyle() == wxPENSTYLE_TRANSPARENT) return;
1293
1294     SetPen( m_pen );
1295     cairo_move_to ( m_cairo, XLOG2DEV(x1), YLOG2DEV(y1) );
1296     cairo_line_to ( m_cairo, XLOG2DEV(x2), YLOG2DEV(y2) );
1297     cairo_stroke ( m_cairo );
1298
1299     CalcBoundingBox( x1, y1 );
1300     CalcBoundingBox( x2, y2 );
1301 }
1302
1303 void wxGtkPrinterDCImpl::DoCrossHair(wxCoord x, wxCoord y)
1304 {
1305     int w, h;
1306     DoGetSize(&w, &h);
1307
1308     SetPen(m_pen);
1309
1310     cairo_move_to (m_cairo, XLOG2DEV(x), 0);
1311     cairo_line_to (m_cairo, XLOG2DEV(x), YLOG2DEVREL(h));
1312     cairo_move_to (m_cairo, 0, YLOG2DEV(y));
1313     cairo_line_to (m_cairo, XLOG2DEVREL(w), YLOG2DEV(y));
1314
1315     cairo_stroke (m_cairo);
1316     CalcBoundingBox( 0, 0 );
1317     CalcBoundingBox( w, h );
1318 }
1319
1320 void wxGtkPrinterDCImpl::DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2,wxCoord xc,wxCoord yc)
1321 {
1322     double dx = x1 - xc;
1323     double dy = y1 - yc;
1324     double radius = sqrt((double)(dx*dx+dy*dy));
1325
1326     double alpha1, alpha2;
1327     if (x1 == x2 && y1 == y2)
1328     {
1329         alpha1 = 0.0;
1330         alpha2 = 360.0;
1331     }
1332     else
1333     if (radius == 0.0)
1334     {
1335         alpha1 = alpha2 = 0.0;
1336     }
1337     else
1338     {
1339         alpha1 = (x1 - xc == 0) ?
1340             (y1 - yc < 0) ? 90.0 : -90.0 :
1341             atan2(double(y1-yc), double(x1-xc)) * RAD2DEG;
1342         alpha2 = (x2 - xc == 0) ?
1343             (y2 - yc < 0) ? 90.0 : -90.0 :
1344             atan2(double(y2-yc), double(x2-xc)) * RAD2DEG;
1345
1346         while (alpha1 <= 0)   alpha1 += 360;
1347         while (alpha2 <= 0)   alpha2 += 360; // adjust angles to be between.
1348         while (alpha1 > 360)  alpha1 -= 360; // 0 and 360 degree.
1349         while (alpha2 > 360)  alpha2 -= 360;
1350     }
1351
1352     alpha1 *= DEG2RAD;
1353     alpha2 *= DEG2RAD;
1354
1355     cairo_new_path(m_cairo);
1356
1357     cairo_arc_negative ( m_cairo, XLOG2DEV(xc), YLOG2DEV(yc), XLOG2DEVREL((int)radius), alpha1, alpha2);
1358     cairo_line_to(m_cairo, XLOG2DEV(xc), YLOG2DEV(yc));
1359     cairo_close_path (m_cairo);
1360
1361     SetBrush( m_brush );
1362     cairo_fill_preserve( m_cairo );
1363
1364     SetPen (m_pen);
1365     cairo_stroke( m_cairo );
1366
1367     CalcBoundingBox (x1, y1);
1368     CalcBoundingBox (xc, yc);
1369     CalcBoundingBox (x2, y2);
1370 }
1371
1372 void wxGtkPrinterDCImpl::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
1373 {
1374     cairo_save( m_cairo );
1375
1376     cairo_new_path(m_cairo);
1377
1378     cairo_translate( m_cairo, XLOG2DEV((wxCoord) (x + w / 2.)), XLOG2DEV((wxCoord) (y + h / 2.)) );
1379     double scale = (double)YLOG2DEVREL(h) / (double) XLOG2DEVREL(w);
1380     cairo_scale( m_cairo, 1.0, scale );
1381
1382     cairo_arc_negative ( m_cairo, 0, 0, XLOG2DEVREL(w/2), -sa*DEG2RAD, -ea*DEG2RAD);
1383
1384     SetPen (m_pen);
1385     cairo_stroke_preserve( m_cairo );
1386
1387     cairo_line_to(m_cairo, 0,0);
1388
1389     SetBrush( m_brush );
1390     cairo_fill( m_cairo );
1391
1392     cairo_restore( m_cairo );
1393
1394     CalcBoundingBox( x, y);
1395     CalcBoundingBox( x+w, y+h );
1396 }
1397
1398 void wxGtkPrinterDCImpl::DoDrawPoint(wxCoord x, wxCoord y)
1399 {
1400     if  (m_pen.GetStyle() == wxPENSTYLE_TRANSPARENT) return;
1401
1402     SetPen( m_pen );
1403
1404     cairo_move_to ( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1405     cairo_line_to ( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1406     cairo_stroke ( m_cairo );
1407
1408     CalcBoundingBox( x, y );
1409 }
1410
1411 void wxGtkPrinterDCImpl::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
1412 {
1413     if (m_pen.GetStyle() == wxPENSTYLE_TRANSPARENT) return;
1414
1415     if (n <= 0) return;
1416
1417     SetPen (m_pen);
1418
1419     int i;
1420     for ( i =0; i<n ; i++ )
1421         CalcBoundingBox( points[i].x+xoffset, points[i].y+yoffset);
1422
1423     cairo_move_to ( m_cairo, XLOG2DEV(points[0].x+xoffset), YLOG2DEV(points[0].y+yoffset) );
1424
1425     for (i = 1; i < n; i++)
1426         cairo_line_to ( m_cairo, XLOG2DEV(points[i].x+xoffset), YLOG2DEV(points[i].y+yoffset) );
1427
1428     cairo_stroke ( m_cairo);
1429 }
1430
1431 void wxGtkPrinterDCImpl::DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
1432 {
1433     if (n==0) return;
1434
1435     cairo_save(m_cairo);
1436     if (fillStyle == wxWINDING_RULE)
1437         cairo_set_fill_rule( m_cairo, CAIRO_FILL_RULE_WINDING);
1438     else
1439         cairo_set_fill_rule( m_cairo, CAIRO_FILL_RULE_EVEN_ODD);
1440
1441     int x = points[0].x + xoffset;
1442     int y = points[0].y + yoffset;
1443     cairo_new_path(m_cairo);
1444     cairo_move_to( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1445     int i;
1446     for (i = 1; i < n; i++)
1447     {
1448         int x = points[i].x + xoffset;
1449         int y = points[i].y + yoffset;
1450         cairo_line_to( m_cairo, XLOG2DEV(x), YLOG2DEV(y) );
1451     }
1452     cairo_close_path(m_cairo);
1453
1454     SetBrush( m_brush );
1455     cairo_fill_preserve( m_cairo );
1456
1457     SetPen (m_pen);
1458     cairo_stroke( m_cairo );
1459
1460     CalcBoundingBox( x, y );
1461
1462     cairo_restore(m_cairo);
1463 }
1464
1465 void wxGtkPrinterDCImpl::DoDrawPolyPolygon(int n, int count[], wxPoint points[], wxCoord xoffset, wxCoord yoffset, int fillStyle)
1466 {
1467     wxDCImpl::DoDrawPolyPolygon( n, count, points, xoffset, yoffset, fillStyle );
1468 }
1469
1470 void wxGtkPrinterDCImpl::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1471 {
1472     width--;
1473     height--;
1474
1475     cairo_new_path(m_cairo);
1476     cairo_rectangle ( m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(width), YLOG2DEVREL(height));
1477
1478     SetBrush( m_brush );
1479     cairo_fill_preserve( m_cairo );
1480
1481     SetPen (m_pen);
1482     cairo_stroke( m_cairo );
1483
1484     CalcBoundingBox( x, y );
1485     CalcBoundingBox( x + width, y + height );
1486 }
1487
1488 void wxGtkPrinterDCImpl::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
1489 {
1490     width--;
1491     height--;
1492
1493     if (radius < 0.0) radius = - radius * ((width < height) ? width : height);
1494
1495     wxCoord dd = 2 * (wxCoord) radius;
1496     if (dd > width) dd = width;
1497     if (dd > height) dd = height;
1498     radius = dd / 2;
1499
1500     wxCoord rad = (wxCoord) radius;
1501
1502     cairo_new_path(m_cairo);
1503     cairo_move_to(m_cairo,XLOG2DEV(x + rad),YLOG2DEV(y));
1504     cairo_curve_to(m_cairo,
1505                                 XLOG2DEV(x + rad),YLOG2DEV(y),
1506                                 XLOG2DEV(x),YLOG2DEV(y),
1507                                 XLOG2DEV(x),YLOG2DEV(y + rad));
1508     cairo_line_to(m_cairo,XLOG2DEV(x),YLOG2DEV(y + height - rad));
1509     cairo_curve_to(m_cairo,
1510                                 XLOG2DEV(x),YLOG2DEV(y + height - rad),
1511                                 XLOG2DEV(x),YLOG2DEV(y + height),
1512                                 XLOG2DEV(x + rad),YLOG2DEV(y + height));
1513     cairo_line_to(m_cairo,XLOG2DEV(x + width - rad),YLOG2DEV(y + height));
1514     cairo_curve_to(m_cairo,
1515                                 XLOG2DEV(x + width - rad),YLOG2DEV(y + height),
1516                                 XLOG2DEV(x + width),YLOG2DEV(y + height),
1517                                 XLOG2DEV(x + width),YLOG2DEV(y + height - rad));
1518     cairo_line_to(m_cairo,XLOG2DEV(x + width),YLOG2DEV(y + rad));
1519     cairo_curve_to(m_cairo,
1520                                 XLOG2DEV(x + width),YLOG2DEV(y + rad),
1521                                 XLOG2DEV(x + width),YLOG2DEV(y),
1522                                 XLOG2DEV(x + width - rad),YLOG2DEV(y));
1523     cairo_line_to(m_cairo,XLOG2DEV(x + rad),YLOG2DEV(y));
1524     cairo_close_path(m_cairo);
1525
1526     SetBrush(m_brush);
1527     cairo_fill_preserve(m_cairo);
1528
1529     SetPen(m_pen);
1530     cairo_stroke(m_cairo);
1531
1532     CalcBoundingBox(x,y);
1533     CalcBoundingBox(x+width,y+height);
1534 }
1535
1536 void wxGtkPrinterDCImpl::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
1537 {
1538     width--;
1539     height--;
1540
1541     cairo_save (m_cairo);
1542
1543     cairo_new_path(m_cairo);
1544
1545     cairo_translate (m_cairo, XLOG2DEV((wxCoord) (x + width / 2.)), YLOG2DEV((wxCoord) (y + height / 2.)));
1546     cairo_scale(m_cairo, 1, (double)YLOG2DEVREL(height)/(double)XLOG2DEVREL(width));
1547     cairo_arc ( m_cairo, 0, 0, XLOG2DEVREL(width/2), 0, 2 * M_PI);
1548
1549     SetBrush( m_brush );
1550     cairo_fill_preserve( m_cairo );
1551
1552     SetPen (m_pen);
1553     cairo_stroke( m_cairo );
1554
1555     CalcBoundingBox( x, y );
1556     CalcBoundingBox( x + width, y + height );
1557
1558     cairo_restore (m_cairo);
1559 }
1560
1561 #if wxUSE_SPLINES
1562 void wxGtkPrinterDCImpl::DoDrawSpline(const wxPointList *points)
1563 {
1564     SetPen (m_pen);
1565
1566     double c, d, x1, y1, x2, y2, x3, y3;
1567     wxPoint *p, *q;
1568
1569     wxPointList::compatibility_iterator node = points->GetFirst();
1570     p = node->GetData();
1571     x1 = p->x;
1572     y1 = p->y;
1573
1574     node = node->GetNext();
1575     p = node->GetData();
1576     c = p->x;
1577     d = p->y;
1578     x3 =
1579          (double)(x1 + c) / 2;
1580     y3 =
1581          (double)(y1 + d) / 2;
1582
1583     cairo_new_path( m_cairo );
1584     cairo_move_to( m_cairo, XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1) );
1585     cairo_line_to( m_cairo, XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1586
1587     CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1588     CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1589
1590     node = node->GetNext();
1591     while (node)
1592     {
1593         q = node->GetData();
1594
1595         x1 = x3;
1596         y1 = y3;
1597         x2 = c;
1598         y2 = d;
1599         c = q->x;
1600         d = q->y;
1601         x3 = (double)(x2 + c) / 2;
1602         y3 = (double)(y2 + d) / 2;
1603
1604         cairo_curve_to(m_cairo,
1605             XLOG2DEV((wxCoord)x1), YLOG2DEV((wxCoord)y1),
1606             XLOG2DEV((wxCoord)x2), YLOG2DEV((wxCoord)y2),
1607             XLOG2DEV((wxCoord)x3), YLOG2DEV((wxCoord)y3) );
1608
1609         CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
1610         CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 );
1611
1612         node = node->GetNext();
1613     }
1614
1615     cairo_line_to ( m_cairo, XLOG2DEV((wxCoord)c), YLOG2DEV((wxCoord)d) );
1616
1617     cairo_stroke( m_cairo );
1618 }
1619 #endif // wxUSE_SPLINES
1620
1621 bool wxGtkPrinterDCImpl::DoBlit(wxCoord xdest, wxCoord ydest,
1622                           wxCoord width, wxCoord height,
1623                           wxDC *source, wxCoord xsrc, wxCoord ysrc,
1624                           int rop, bool useMask,
1625                           wxCoord WXUNUSED_UNLESS_DEBUG(xsrcMask),
1626                           wxCoord WXUNUSED_UNLESS_DEBUG(ysrcMask))
1627 {
1628     wxASSERT_MSG( xsrcMask == wxDefaultCoord && ysrcMask == wxDefaultCoord,
1629                   wxT("mask coordinates are not supported") );
1630
1631     wxCHECK_MSG( source, false, wxT("invalid source dc") );
1632
1633     // Blit into a bitmap.
1634     wxBitmap bitmap( width, height );
1635     wxMemoryDC memDC;
1636     memDC.SelectObject(bitmap);
1637     memDC.Blit(0, 0, width, height, source, xsrc, ysrc, rop);
1638     memDC.SelectObject(wxNullBitmap);
1639
1640     // Draw bitmap. scaling and positioning is done there.
1641     GetOwner()->DrawBitmap( bitmap, xdest, ydest, useMask );
1642
1643     return true;
1644 }
1645
1646 void wxGtkPrinterDCImpl::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y )
1647 {
1648     DoDrawBitmap( icon, x, y, true );
1649 }
1650
1651 void wxGtkPrinterDCImpl::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool useMask )
1652 {
1653     wxCHECK_RET( bitmap.IsOk(), wxT("Invalid bitmap in wxGtkPrinterDCImpl::DoDrawBitmap"));
1654
1655     cairo_surface_t* surface;
1656     x = wxCoord(XLOG2DEV(x));
1657     y = wxCoord(YLOG2DEV(y));
1658     int bw = bitmap.GetWidth();
1659     int bh = bitmap.GetHeight();
1660     wxBitmap bmpSource = bitmap;  // we need a non-const instance.
1661     unsigned char* buffer = new unsigned char[bw*bh*4];
1662     wxUint32* data = (wxUint32*)buffer;
1663
1664     wxMask *mask = NULL;
1665     if (useMask) mask = bmpSource.GetMask();
1666
1667     // Create a surface object and copy the bitmap pixel data to it. If the image has alpha (or a mask represented as alpha)
1668     // then we'll use a different format and iterator than if it doesn't.
1669     if (bmpSource.HasAlpha() || mask)
1670     {
1671         surface = cairo_image_surface_create_for_data(
1672             buffer, CAIRO_FORMAT_ARGB32, bw, bh, bw*4);
1673         wxAlphaPixelData pixData(bmpSource, wxPoint(0,0), wxSize(bw, bh));
1674         wxCHECK_RET( pixData, wxT("Failed to gain raw access to bitmap data."));
1675
1676         wxAlphaPixelData::Iterator p(pixData);
1677         int y, x;
1678         for (y=0; y<bh; y++)
1679         {
1680             wxAlphaPixelData::Iterator rowStart = p;
1681             for (x=0; x<bw; x++)
1682             {
1683                 // Each pixel in CAIRO_FORMAT_ARGB32 is a 32-bit quantity,
1684                 // with alpha in the upper 8 bits, then red, then green, then
1685                 // blue. The 32-bit quantities are stored native-endian.
1686                 // Pre-multiplied alpha is used.
1687                 unsigned char alpha = p.Alpha();
1688
1689                 if (!bmpSource.HasAlpha() && mask)
1690                     alpha = 255;
1691
1692                 if (alpha == 0)
1693                     *data = 0;
1694                 else
1695                     *data = ( alpha                  << 24
1696                               | (p.Red() * alpha/255)    << 16
1697                               | (p.Green() * alpha/255)  <<  8
1698                               | (p.Blue() * alpha/255) );
1699                 ++data;
1700                 ++p;
1701             }
1702             p = rowStart;
1703             p.OffsetY(pixData, 1);
1704         }
1705     }
1706     else  // no alpha
1707     {
1708         surface = cairo_image_surface_create_for_data(
1709             buffer, CAIRO_FORMAT_RGB24, bw, bh, bw*4);
1710         wxNativePixelData pixData(bmpSource, wxPoint(0,0), wxSize(bw, bh));
1711         wxCHECK_RET( pixData, wxT("Failed to gain raw access to bitmap data."));
1712
1713         wxNativePixelData::Iterator p(pixData);
1714         int y, x;
1715         for (y=0; y<bh; y++)
1716         {
1717             wxNativePixelData::Iterator rowStart = p;
1718             for (x=0; x<bw; x++)
1719             {
1720                 // Each pixel in CAIRO_FORMAT_RGB24 is a 32-bit quantity, with
1721                 // the upper 8 bits unused. Red, Green, and Blue are stored in
1722                 // the remaining 24 bits in that order.  The 32-bit quantities
1723                 // are stored native-endian.
1724                 *data = ( p.Red() << 16 | p.Green() << 8 | p.Blue() );
1725                 ++data;
1726                 ++p;
1727             }
1728             p = rowStart;
1729             p.OffsetY(pixData, 1);
1730         }
1731     }
1732
1733
1734     cairo_save(m_cairo);
1735
1736     // Prepare to draw the image.
1737     cairo_translate(m_cairo, x, y);
1738
1739     // Scale the image
1740     cairo_filter_t filter = CAIRO_FILTER_BILINEAR;
1741     cairo_pattern_t* pattern = cairo_pattern_create_for_surface(surface);
1742     cairo_pattern_set_filter(pattern,filter);
1743     wxDouble scaleX = (wxDouble) XLOG2DEVREL(bw) / (wxDouble) bw;
1744     wxDouble scaleY = (wxDouble) YLOG2DEVREL(bh) / (wxDouble) bh;
1745     cairo_scale(m_cairo, scaleX, scaleY);
1746
1747     cairo_set_source(m_cairo, pattern);
1748     // Use the original size here since the context is scaled already.
1749     cairo_rectangle(m_cairo, 0, 0, bw, bh);
1750     // Fill the rectangle using the pattern.
1751     cairo_fill(m_cairo);
1752
1753     // Clean up.
1754     cairo_pattern_destroy(pattern);
1755     cairo_surface_destroy(surface);
1756     delete [] buffer;
1757
1758     CalcBoundingBox(0,0);
1759     CalcBoundingBox(bw,bh);
1760
1761     cairo_restore(m_cairo);
1762 }
1763
1764 void wxGtkPrinterDCImpl::DoDrawText(const wxString& text, wxCoord x, wxCoord y )
1765 {
1766     DoDrawRotatedText( text, x, y, 0.0 );
1767 }
1768
1769 void wxGtkPrinterDCImpl::DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle)
1770 {
1771     double xx = XLOG2DEV(x);
1772     double yy = YLOG2DEV(y);
1773
1774     angle = -angle;
1775
1776     bool underlined = m_font.Ok() && m_font.GetUnderlined();
1777
1778     const wxUTF8Buf data = text.utf8_str();
1779
1780     size_t datalen = strlen(data);
1781     pango_layout_set_text( m_layout, data, datalen);
1782
1783     if (underlined)
1784     {
1785         PangoAttrList *attrs = pango_attr_list_new();
1786         PangoAttribute *a = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
1787         a->start_index = 0;
1788         a->end_index = datalen;
1789         pango_attr_list_insert(attrs, a);
1790         pango_layout_set_attributes(m_layout, attrs);
1791         pango_attr_list_unref(attrs);
1792     }
1793
1794     if (m_textForegroundColour.Ok())
1795     {
1796         unsigned char red = m_textForegroundColour.Red();
1797         unsigned char blue = m_textForegroundColour.Blue();
1798         unsigned char green = m_textForegroundColour.Green();
1799         unsigned char alpha = m_textForegroundColour.Alpha();
1800
1801         if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue && alpha == m_currentAlpha))
1802         {
1803             double redPS = (double)(red) / 255.0;
1804             double bluePS = (double)(blue) / 255.0;
1805             double greenPS = (double)(green) / 255.0;
1806             double alphaPS = (double)(alpha) / 255.0;
1807
1808             cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1809
1810             m_currentRed = red;
1811             m_currentBlue = blue;
1812             m_currentGreen = green;
1813             m_currentAlpha = alpha;
1814         }
1815     }
1816
1817     // Draw layout.
1818     cairo_move_to (m_cairo, xx, yy);
1819
1820     cairo_save( m_cairo );
1821
1822     if (fabs(angle) > 0.00001)
1823         cairo_rotate( m_cairo, angle*DEG2RAD );
1824
1825     cairo_scale(m_cairo, m_scaleX, m_scaleY);
1826
1827     int w,h;
1828     pango_layout_get_pixel_size( m_layout, &w, &h );
1829
1830     if ( m_backgroundMode == wxBRUSHSTYLE_SOLID )
1831     {
1832         unsigned char red = m_textBackgroundColour.Red();
1833         unsigned char blue = m_textBackgroundColour.Blue();
1834         unsigned char green = m_textBackgroundColour.Green();
1835         unsigned char alpha = m_textBackgroundColour.Alpha();
1836
1837         double redPS = (double)(red) / 255.0;
1838         double bluePS = (double)(blue) / 255.0;
1839         double greenPS = (double)(green) / 255.0;
1840         double alphaPS = (double)(alpha) / 255.0;
1841
1842         cairo_save(m_cairo);
1843         cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1844         cairo_rectangle(m_cairo, 0, 0, w, h);   // still in cairo units
1845         cairo_fill(m_cairo);
1846         cairo_restore(m_cairo);
1847     }
1848
1849     pango_cairo_update_layout (m_cairo, m_layout);
1850     pango_cairo_show_layout (m_cairo, m_layout);
1851
1852     cairo_restore( m_cairo );
1853
1854     if (underlined)
1855     {
1856         // Undo underline attributes setting
1857         pango_layout_set_attributes(m_layout, NULL);
1858     }
1859
1860     // Back to device units:
1861     CalcBoundingBox (x, y);
1862     CalcBoundingBox (x + w, y + h);
1863 }
1864
1865 void wxGtkPrinterDCImpl::Clear()
1866 {
1867 // Clear does nothing for printing, but keep the code
1868 // for later reuse
1869 /*
1870     cairo_save(m_cairo);
1871     cairo_set_operator (m_cairo, CAIRO_OPERATOR_SOURCE);
1872     SetBrush(m_backgroundBrush);
1873     cairo_paint(m_cairo);
1874     cairo_restore(m_cairo);
1875 */
1876 }
1877
1878 void wxGtkPrinterDCImpl::SetFont( const wxFont& font )
1879 {
1880     m_font = font;
1881
1882     if (m_font.Ok())
1883     {
1884         if (m_fontdesc)
1885             pango_font_description_free( m_fontdesc );
1886
1887         m_fontdesc = pango_font_description_copy( m_font.GetNativeFontInfo()->description );
1888
1889         float size = pango_font_description_get_size( m_fontdesc );
1890         size = size * GetFontPointSizeAdjustment(72.0);
1891         pango_font_description_set_size( m_fontdesc, (gint)size );
1892
1893         pango_layout_set_font_description( m_layout, m_fontdesc );
1894     }
1895 }
1896
1897 void wxGtkPrinterDCImpl::SetPen( const wxPen& pen )
1898 {
1899     if (!pen.Ok()) return;
1900
1901     m_pen = pen;
1902
1903     double width;
1904
1905     if (m_pen.GetWidth() <= 0)
1906         width = 0.1;
1907     else
1908         width = (double) m_pen.GetWidth();
1909
1910     cairo_set_line_width( m_cairo, width * m_DEV2PS * m_scaleX );
1911     static const double dotted[] = {2.0, 5.0};
1912     static const double short_dashed[] = {4.0, 4.0};
1913     static const double long_dashed[] = {4.0, 8.0};
1914     static const double dotted_dashed[] = {6.0, 6.0, 2.0, 6.0};
1915
1916     switch (m_pen.GetStyle())
1917     {
1918         case wxPENSTYLE_DOT:        cairo_set_dash( m_cairo, dotted, 2, 0 ); break;
1919         case wxPENSTYLE_SHORT_DASH: cairo_set_dash( m_cairo, short_dashed, 2, 0 ); break;
1920         case wxPENSTYLE_LONG_DASH:  cairo_set_dash( m_cairo, long_dashed, 2, 0 ); break;
1921         case wxPENSTYLE_DOT_DASH:   cairo_set_dash( m_cairo, dotted_dashed, 4, 0 );  break;
1922         case wxPENSTYLE_USER_DASH:
1923         {
1924             wxDash *wx_dashes;
1925             int num = m_pen.GetDashes (&wx_dashes);
1926             gdouble *g_dashes = g_new( gdouble, num );
1927             int i;
1928             for (i = 0; i < num; ++i)
1929                 g_dashes[i] = (gdouble) wx_dashes[i];
1930             cairo_set_dash( m_cairo, g_dashes, num, 0);
1931             g_free( g_dashes );
1932         }
1933         break;
1934         case wxPENSTYLE_SOLID:
1935         case wxPENSTYLE_TRANSPARENT:
1936         default:              cairo_set_dash( m_cairo, NULL, 0, 0 );   break;
1937     }
1938
1939     switch (m_pen.GetCap())
1940     {
1941         case wxCAP_PROJECTING:  cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_SQUARE); break;
1942         case wxCAP_BUTT:        cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_BUTT); break;
1943         case wxCAP_ROUND:
1944         default:                cairo_set_line_cap (m_cairo, CAIRO_LINE_CAP_ROUND); break;
1945     }
1946
1947     switch (m_pen.GetJoin())
1948     {
1949         case wxJOIN_BEVEL:  cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_BEVEL); break;
1950         case wxJOIN_MITER:  cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_MITER); break;
1951         case wxJOIN_ROUND:
1952         default:            cairo_set_line_join (m_cairo, CAIRO_LINE_JOIN_ROUND); break;
1953     }
1954
1955     unsigned char red = m_pen.GetColour().Red();
1956     unsigned char blue = m_pen.GetColour().Blue();
1957     unsigned char green = m_pen.GetColour().Green();
1958     unsigned char alpha = m_pen.GetColour().Alpha();
1959
1960     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue && alpha == m_currentAlpha))
1961     {
1962         double redPS = (double)(red) / 255.0;
1963         double bluePS = (double)(blue) / 255.0;
1964         double greenPS = (double)(green) / 255.0;
1965         double alphaPS = (double)(alpha) / 255.0;
1966
1967         cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
1968
1969         m_currentRed = red;
1970         m_currentBlue = blue;
1971         m_currentGreen = green;
1972         m_currentAlpha = alpha;
1973     }
1974 }
1975
1976 void wxGtkPrinterDCImpl::SetBrush( const wxBrush& brush )
1977 {
1978     if (!brush.Ok()) return;
1979
1980     m_brush = brush;
1981
1982     if (m_brush.GetStyle() == wxBRUSHSTYLE_TRANSPARENT)
1983     {
1984         cairo_set_source_rgba( m_cairo, 0, 0, 0, 0 );
1985         m_currentRed = 0;
1986         m_currentBlue = 0;
1987         m_currentGreen = 0;
1988         m_currentAlpha = 0;
1989         return;
1990     }
1991
1992     // Brush colour.
1993     unsigned char red = m_brush.GetColour().Red();
1994     unsigned char blue = m_brush.GetColour().Blue();
1995     unsigned char green = m_brush.GetColour().Green();
1996     unsigned char alpha = m_brush.GetColour().Alpha();
1997
1998     double redPS = (double)(red) / 255.0;
1999     double bluePS = (double)(blue) / 255.0;
2000     double greenPS = (double)(green) / 255.0;
2001     double alphaPS = (double)(alpha) / 255.0;
2002
2003     if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue && alpha == m_currentAlpha))
2004     {
2005         cairo_set_source_rgba( m_cairo, redPS, greenPS, bluePS, alphaPS );
2006
2007         m_currentRed = red;
2008         m_currentBlue = blue;
2009         m_currentGreen = green;
2010         m_currentAlpha = alpha;
2011     }
2012
2013     if (m_brush.IsHatch())
2014     {
2015         cairo_t * cr;
2016         cairo_surface_t *surface;
2017         surface = cairo_surface_create_similar(cairo_get_target(m_cairo),CAIRO_CONTENT_COLOR_ALPHA,10,10);
2018         cr = cairo_create(surface);
2019         cairo_set_line_cap(cr, CAIRO_LINE_CAP_SQUARE);
2020         cairo_set_line_width(cr, 1);
2021         cairo_set_line_join(cr,CAIRO_LINE_JOIN_MITER);
2022
2023         switch (m_brush.GetStyle())
2024         {
2025             case wxBRUSHSTYLE_CROSS_HATCH:
2026                 cairo_move_to(cr, 5, 0);
2027                 cairo_line_to(cr, 5, 10);
2028                 cairo_move_to(cr, 0, 5);
2029                 cairo_line_to(cr, 10, 5);
2030                 break;
2031             case wxBRUSHSTYLE_BDIAGONAL_HATCH:
2032                 cairo_move_to(cr, 0, 10);
2033                 cairo_line_to(cr, 10, 0);
2034                 break;
2035             case wxBRUSHSTYLE_FDIAGONAL_HATCH:
2036                 cairo_move_to(cr, 0, 0);
2037                 cairo_line_to(cr, 10, 10);
2038                 break;
2039             case wxBRUSHSTYLE_CROSSDIAG_HATCH:
2040                 cairo_move_to(cr, 0, 0);
2041                 cairo_line_to(cr, 10, 10);
2042                 cairo_move_to(cr, 10, 0);
2043                 cairo_line_to(cr, 0, 10);
2044                 break;
2045             case wxBRUSHSTYLE_HORIZONTAL_HATCH:
2046                 cairo_move_to(cr, 0, 5);
2047                 cairo_line_to(cr, 10, 5);
2048                 break;
2049             case wxBRUSHSTYLE_VERTICAL_HATCH:
2050                 cairo_move_to(cr, 5, 0);
2051                 cairo_line_to(cr, 5, 10);
2052                 break;
2053             default:
2054                 wxFAIL_MSG(_("Couldn't get hatch style from wxBrush."));
2055         }
2056
2057         cairo_set_source_rgba(cr, redPS, greenPS, bluePS, alphaPS);
2058         cairo_stroke (cr);
2059
2060         cairo_destroy(cr);
2061         cairo_pattern_t * pattern = cairo_pattern_create_for_surface (surface);
2062         cairo_surface_destroy(surface);
2063         cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT);
2064         cairo_set_source(m_cairo, pattern);
2065         cairo_pattern_destroy(pattern);
2066     }
2067 }
2068
2069 void wxGtkPrinterDCImpl::SetLogicalFunction( int function )
2070 {
2071     if (function == wxCLEAR)
2072         cairo_set_operator (m_cairo, CAIRO_OPERATOR_CLEAR);
2073     else if (function == wxOR)
2074         cairo_set_operator (m_cairo, CAIRO_OPERATOR_OUT);
2075     else if (function == wxNO_OP)
2076         cairo_set_operator (m_cairo, CAIRO_OPERATOR_DEST);
2077     else if (function == wxAND)
2078         cairo_set_operator (m_cairo, CAIRO_OPERATOR_ADD);
2079     else if (function == wxSET)
2080         cairo_set_operator (m_cairo, CAIRO_OPERATOR_SATURATE);
2081     else if (function == wxXOR)
2082         cairo_set_operator (m_cairo, CAIRO_OPERATOR_XOR);
2083     else // wxCOPY or anything else.
2084         cairo_set_operator (m_cairo, CAIRO_OPERATOR_SOURCE);
2085 }
2086
2087 void wxGtkPrinterDCImpl::SetBackground( const wxBrush& brush )
2088 {
2089     m_backgroundBrush = brush;
2090     cairo_save(m_cairo);
2091     cairo_set_operator (m_cairo, CAIRO_OPERATOR_DEST_OVER);
2092
2093     SetBrush(m_backgroundBrush);
2094     cairo_paint(m_cairo);
2095     cairo_restore(m_cairo);
2096 }
2097
2098 void wxGtkPrinterDCImpl::SetBackgroundMode(int mode)
2099 {
2100     if (mode == wxBRUSHSTYLE_SOLID)
2101         m_backgroundMode = wxBRUSHSTYLE_SOLID;
2102     else
2103         m_backgroundMode = wxBRUSHSTYLE_TRANSPARENT;
2104 }
2105
2106 void wxGtkPrinterDCImpl::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
2107 {
2108     cairo_rectangle ( m_cairo, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEVREL(width), YLOG2DEVREL(height));
2109     cairo_clip(m_cairo);
2110 }
2111
2112 void wxGtkPrinterDCImpl::DestroyClippingRegion()
2113 {
2114     cairo_reset_clip(m_cairo);
2115 }
2116
2117 bool wxGtkPrinterDCImpl::StartDoc(const wxString& WXUNUSED(message))
2118 {
2119     return true;
2120 }
2121
2122 void wxGtkPrinterDCImpl::EndDoc()
2123 {
2124     return;
2125 }
2126
2127 void wxGtkPrinterDCImpl::StartPage()
2128 {
2129     return;
2130 }
2131
2132 void wxGtkPrinterDCImpl::EndPage()
2133 {
2134     return;
2135 }
2136
2137 wxCoord wxGtkPrinterDCImpl::GetCharHeight() const
2138 {
2139     pango_layout_set_text( m_layout, "H", 1 );
2140
2141     int w,h;
2142     pango_layout_get_pixel_size( m_layout, &w, &h );
2143
2144     return wxRound( h * m_PS2DEV );
2145 }
2146
2147 wxCoord wxGtkPrinterDCImpl::GetCharWidth() const
2148 {
2149     pango_layout_set_text( m_layout, "H", 1 );
2150
2151     int w,h;
2152     pango_layout_get_pixel_size( m_layout, &w, &h );
2153
2154     return wxRound( w * m_PS2DEV );
2155 }
2156
2157 void wxGtkPrinterDCImpl::DoGetTextExtent(const wxString& string, wxCoord *width, wxCoord *height,
2158                      wxCoord *descent,
2159                      wxCoord *externalLeading,
2160                      const wxFont *theFont ) const
2161 {
2162     if ( width )
2163         *width = 0;
2164     if ( height )
2165         *height = 0;
2166     if ( descent )
2167         *descent = 0;
2168     if ( externalLeading )
2169         *externalLeading = 0;
2170
2171     if (string.empty())
2172     {
2173         return;
2174     }
2175
2176     cairo_save( m_cairo );
2177     cairo_scale(m_cairo, m_scaleX, m_scaleY);
2178
2179     // Set layout's text
2180     const wxUTF8Buf dataUTF8 = string.utf8_str();
2181
2182     gint oldSize;
2183     if ( theFont )
2184     {
2185         // scale the font and apply it
2186         PangoFontDescription *desc = theFont->GetNativeFontInfo()->description;
2187         float size = pango_font_description_get_size(desc);
2188         size = size * GetFontPointSizeAdjustment(72.0);
2189         pango_font_description_set_size(desc, (gint)size);
2190
2191         pango_layout_set_font_description(m_layout, desc);
2192     }
2193
2194     pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
2195
2196     int h;
2197     pango_layout_get_pixel_size( m_layout, width, &h );
2198     if ( height )
2199         *height = h;
2200
2201     if (descent)
2202     {
2203         PangoLayoutIter *iter = pango_layout_get_iter(m_layout);
2204         int baseline = pango_layout_iter_get_baseline(iter);
2205         pango_layout_iter_free(iter);
2206         *descent = h - PANGO_PIXELS(baseline);
2207     }
2208
2209     if ( theFont )
2210     {
2211         // restore font and reset font's size back
2212         pango_layout_set_font_description(m_layout, m_fontdesc);
2213
2214         PangoFontDescription *desc = theFont->GetNativeFontInfo()->description;
2215         pango_font_description_set_size(desc, oldSize);
2216     }
2217
2218     cairo_restore( m_cairo );
2219 }
2220
2221 void wxGtkPrinterDCImpl::DoGetSize(int* width, int* height) const
2222 {
2223     GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc );
2224
2225     if (width)
2226         *width = wxRound( (double)gtk_page_setup_get_paper_width( setup, GTK_UNIT_POINTS ) * (double)m_resolution / 72.0 );
2227     if (height)
2228         *height = wxRound( (double)gtk_page_setup_get_paper_height( setup, GTK_UNIT_POINTS ) * (double)m_resolution / 72.0 );
2229 }
2230
2231 void wxGtkPrinterDCImpl::DoGetSizeMM(int *width, int *height) const
2232 {
2233     GtkPageSetup *setup = gtk_print_context_get_page_setup( m_gpc );
2234
2235     if (width)
2236         *width = wxRound( gtk_page_setup_get_paper_width( setup, GTK_UNIT_MM ) );
2237     if (height)
2238         *height = wxRound( gtk_page_setup_get_paper_height( setup, GTK_UNIT_MM ) );
2239 }
2240
2241 wxSize wxGtkPrinterDCImpl::GetPPI() const
2242 {
2243     return wxSize( (int)m_resolution, (int)m_resolution );
2244 }
2245
2246 void wxGtkPrinterDCImpl::SetPrintData(const wxPrintData& data)
2247 {
2248     m_printData = data;
2249 }
2250
2251 // overriden for wxPrinterDC Impl
2252
2253 wxRect wxGtkPrinterDCImpl::GetPaperRect()
2254 {
2255     // Does GtkPrint support printer margins?
2256     int w = 0;
2257     int h = 0;
2258     DoGetSize( &w, &h );
2259     return wxRect( 0,0,w,h );
2260 }
2261
2262 int wxGtkPrinterDCImpl::GetResolution()
2263 {
2264     return m_resolution;
2265 }
2266
2267 // ----------------------------------------------------------------------------
2268 // Print preview
2269 // ----------------------------------------------------------------------------
2270
2271 IMPLEMENT_CLASS(wxGtkPrintPreview, wxPrintPreviewBase)
2272
2273 void wxGtkPrintPreview::Init(wxPrintout * WXUNUSED(printout),
2274                              wxPrintout * WXUNUSED(printoutForPrinting),
2275                              wxPrintData *data)
2276 {
2277     // convert wxPrintQuality to resolution (input pointer can be NULL)
2278     wxPrintQuality quality = data ? data->GetQuality() : wxPRINT_QUALITY_MEDIUM;
2279     switch ( quality )
2280     {
2281         case wxPRINT_QUALITY_HIGH:
2282             m_resolution = 1200;
2283             break;
2284
2285         case wxPRINT_QUALITY_LOW:
2286             m_resolution = 300;
2287             break;
2288
2289         case wxPRINT_QUALITY_DRAFT:
2290             m_resolution = 150;
2291             break;
2292
2293         default:
2294             if ( quality > 0 )
2295             {
2296                 // positive values directly indicate print resolution
2297                 m_resolution = quality;
2298                 break;
2299             }
2300
2301             wxFAIL_MSG( "unknown print quality" );
2302             // fall through
2303
2304         case wxPRINT_QUALITY_MEDIUM:
2305             m_resolution = 600;
2306             break;
2307
2308     }
2309
2310     DetermineScaling();
2311 }
2312
2313 wxGtkPrintPreview::wxGtkPrintPreview(wxPrintout *printout,
2314                                      wxPrintout *printoutForPrinting,
2315                                      wxPrintDialogData *data)
2316                  : wxPrintPreviewBase(printout, printoutForPrinting, data)
2317 {
2318     Init(printout, printoutForPrinting, data ? &data->GetPrintData() : NULL);
2319 }
2320
2321 wxGtkPrintPreview::wxGtkPrintPreview(wxPrintout *printout,
2322                                      wxPrintout *printoutForPrinting,
2323                                      wxPrintData *data)
2324                  : wxPrintPreviewBase(printout, printoutForPrinting, data)
2325 {
2326     Init(printout, printoutForPrinting, data);
2327 }
2328
2329 wxGtkPrintPreview::~wxGtkPrintPreview()
2330 {
2331 }
2332
2333 bool wxGtkPrintPreview::Print(bool interactive)
2334 {
2335     if (!m_printPrintout)
2336         return false;
2337
2338     wxPrinter printer(& m_printDialogData);
2339     return printer.Print(m_previewFrame, m_printPrintout, interactive);
2340 }
2341
2342 void wxGtkPrintPreview::DetermineScaling()
2343 {
2344     wxPaperSize paperType = m_printDialogData.GetPrintData().GetPaperId();
2345
2346     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType);
2347     if (!paper)
2348         paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
2349
2350     if (paper)
2351     {
2352         m_previewPrintout->SetPPIScreen(wxGetDisplayPPI());
2353         m_previewPrintout->SetPPIPrinter( m_resolution, m_resolution );
2354
2355         // Get width and height in points (1/72th of an inch)
2356         wxSize sizeDevUnits(paper->GetSizeDeviceUnits());
2357         sizeDevUnits.x = wxRound((double)sizeDevUnits.x * (double)m_resolution / 72.0);
2358         sizeDevUnits.y = wxRound((double)sizeDevUnits.y * (double)m_resolution / 72.0);
2359
2360         wxSize sizeTenthsMM(paper->GetSize());
2361         wxSize sizeMM(sizeTenthsMM.x / 10, sizeTenthsMM.y / 10);
2362
2363         // If in landscape mode, we need to swap the width and height.
2364         if ( m_printDialogData.GetPrintData().GetOrientation() == wxLANDSCAPE )
2365         {
2366             m_pageWidth = sizeDevUnits.y;
2367             m_pageHeight = sizeDevUnits.x;
2368             m_previewPrintout->SetPageSizeMM(sizeMM.y, sizeMM.x);
2369         }
2370         else
2371         {
2372             m_pageWidth = sizeDevUnits.x;
2373             m_pageHeight = sizeDevUnits.y;
2374             m_previewPrintout->SetPageSizeMM(sizeMM.x, sizeMM.y);
2375         }
2376         m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
2377         m_previewPrintout->SetPaperRectPixels(wxRect(0, 0, m_pageWidth, m_pageHeight));
2378
2379         // At 100%, the page should look about page-size on the screen.
2380         m_previewScaleX = 0.8 * 72.0 / (double)m_resolution;
2381         m_previewScaleY = m_previewScaleX;
2382     }
2383 }
2384
2385 #endif
2386      // wxUSE_GTKPRINT