Pileus Git - ~andy/gtk/blob - modules/printbackends/file/gtkprintbackendfile.c

   1 /* GTK - The GIMP Toolkit
   2  * gtkprintbackendfile.c: Default implementation of GtkPrintBackend
   3  * for printing to a file
   4  * Copyright (C) 2003, Red Hat, Inc.
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the
  18  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19  * Boston, MA 02111-1307, USA.
  20  */
  21
  22 #include <config.h>
  23
  24 #include <unistd.h>
  25 #include <sys/types.h>
  26 #include <sys/stat.h>
  27 #include <fcntl.h>
  28 #include <stdlib.h>
  29 #include <string.h>
  30
  31 #include <errno.h>
  32 #include <cairo.h>
  33 #include <cairo-pdf.h>
  34 #include <cairo-ps.h>
  35
  36 #include <glib/gi18n-lib.h>
  37
  38 #include "gtkprintoperation.h"
  39
  40 #include "gtkprintbackend.h"
  41 #include "gtkprintbackendfile.h"
  42
  43 #include "gtkprinter.h"
  44 #include "gtkprinter-private.h"
  45
  46 typedef struct _GtkPrintBackendFileClass GtkPrintBackendFileClass;
  47
  48 #define GTK_PRINT_BACKEND_FILE_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_PRINT_BACKEND_FILE, GtkPrintBackendFileClass))
  49 #define GTK_IS_PRINT_BACKEND_FILE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_PRINT_BACKEND_FILE))
  50 #define GTK_PRINT_BACKEND_FILE_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_PRINT_BACKEND_FILE, GtkPrintBackendFileClass))
  51
  52 #define _STREAM_MAX_CHUNK_SIZE 8192
  53
  54 static GType print_backend_file_type = 0;
  55
  56 struct _GtkPrintBackendFileClass
  57 {
  58   GtkPrintBackendClass parent_class;
  59 };
  60
  61 struct _GtkPrintBackendFile
  62 {
  63   GtkPrintBackend parent_instance;
  64 };
  65
  66 typedef enum
  67 {
  68   FORMAT_PDF,
  69   FORMAT_PS,
  70   N_FORMATS
  71 } OutputFormat;
  72
  73 static const gchar* formats[N_FORMATS] =
  74 {
  75   "pdf",
  76   "ps"
  77 };
  78
  79 static GObjectClass *backend_parent_class;
  80
  81 static void                 gtk_print_backend_file_class_init      (GtkPrintBackendFileClass *class);
  82 static void                 gtk_print_backend_file_init            (GtkPrintBackendFile      *impl);
  83 static void                 file_printer_get_settings_from_options (GtkPrinter              *printer,
  84                                                                     GtkPrinterOptionSet     *options,
  85                                                                     GtkPrintSettings        *settings);
  86 static GtkPrinterOptionSet *file_printer_get_options               (GtkPrinter              *printer,
  87                                                                     GtkPrintSettings        *settings,
  88                                                                     GtkPageSetup            *page_setup,
  89                                                                     GtkPrintCapabilities     capabilities);
  90 static void                 file_printer_prepare_for_print         (GtkPrinter              *printer,
  91                                                                     GtkPrintJob             *print_job,
  92                                                                     GtkPrintSettings        *settings,
  93                                                                     GtkPageSetup            *page_setup);
  94 static void                 gtk_print_backend_file_print_stream    (GtkPrintBackend         *print_backend,
  95                                                                     GtkPrintJob             *job,
  96                                                                     GIOChannel              *data_io,
  97                                                                     GtkPrintJobCompleteFunc  callback,
  98                                                                     gpointer                 user_data,
  99                                                                     GDestroyNotify           dnotify);
 100 static cairo_surface_t *    file_printer_create_cairo_surface      (GtkPrinter              *printer,
 101                                                                     GtkPrintSettings        *settings,
 102                                                                     gdouble                  width,
 103                                                                     gdouble                  height,
 104                                                                     GIOChannel              *cache_io);
 105
 106 static GList *              file_printer_list_papers               (GtkPrinter              *printer);
 107 static GtkPageSetup *       file_printer_get_default_page_size     (GtkPrinter              *printer);
 108
 109 static void
 110 gtk_print_backend_file_register_type (GTypeModule *module)
 111 {
 112   static const GTypeInfo print_backend_file_info =
 113   {
 114     sizeof (GtkPrintBackendFileClass),
 115     NULL,               /* base_init */
 116     NULL,               /* base_finalize */
 117     (GClassInitFunc) gtk_print_backend_file_class_init,
 118     NULL,               /* class_finalize */
 119     NULL,               /* class_data */
 120     sizeof (GtkPrintBackendFile),
 121     0,          /* n_preallocs */
 122     (GInstanceInitFunc) gtk_print_backend_file_init,
 123   };
 124
 125   print_backend_file_type = g_type_module_register_type (module,
 126                                                          GTK_TYPE_PRINT_BACKEND,
 127                                                          "GtkPrintBackendFile",
 128                                                          &print_backend_file_info, 0);
 129 }
 130
 131 G_MODULE_EXPORT void
 132 pb_module_init (GTypeModule *module)
 133 {
 134   gtk_print_backend_file_register_type (module);
 135 }
 136
 137 G_MODULE_EXPORT void
 138 pb_module_exit (void)
 139 {
 140
 141 }
 142
 143 G_MODULE_EXPORT GtkPrintBackend *
 144 pb_module_create (void)
 145 {
 146   return gtk_print_backend_file_new ();
 147 }
 148
 149 /*
 150  * GtkPrintBackendFile
 151  */
 152 GType
 153 gtk_print_backend_file_get_type (void)
 154 {
 155   return print_backend_file_type;
 156 }
 157
 158 /**
 159  * gtk_print_backend_file_new:
 160  *
 161  * Creates a new #GtkPrintBackendFile object. #GtkPrintBackendFile
 162  * implements the #GtkPrintBackend interface with direct access to
 163  * the filesystem using Unix/Linux API calls
 164  *
 165  * Return value: the new #GtkPrintBackendFile object
 166  **/
 167 GtkPrintBackend *
 168 gtk_print_backend_file_new (void)
 169 {
 170   return g_object_new (GTK_TYPE_PRINT_BACKEND_FILE, NULL);
 171 }
 172
 173 static void
 174 gtk_print_backend_file_class_init (GtkPrintBackendFileClass *class)
 175 {
 176   GtkPrintBackendClass *backend_class = GTK_PRINT_BACKEND_CLASS (class);
 177
 178   backend_parent_class = g_type_class_peek_parent (class);
 179
 180   backend_class->print_stream = gtk_print_backend_file_print_stream;
 181   backend_class->printer_create_cairo_surface = file_printer_create_cairo_surface;
 182   backend_class->printer_get_options = file_printer_get_options;
 183   backend_class->printer_get_settings_from_options = file_printer_get_settings_from_options;
 184   backend_class->printer_prepare_for_print = file_printer_prepare_for_print;
 185   backend_class->printer_list_papers = file_printer_list_papers;
 186   backend_class->printer_get_default_page_size = file_printer_get_default_page_size;
 187 }
 188
 189 /* return N_FORMATS if no explicit format in the settings */
 190 static OutputFormat
 191 format_from_settings (GtkPrintSettings *settings)
 192 {
 193   const gchar *value;
 194   gint i;
 195
 196   if (settings == NULL)
 197     return N_FORMATS;
 198
 199   value = gtk_print_settings_get (settings,
 200                                   GTK_PRINT_SETTINGS_OUTPUT_FILE_FORMAT);
 201   if (value == NULL)
 202     return N_FORMATS;
 203
 204   for (i = 0; i < N_FORMATS; ++i)
 205     if (strcmp (value, formats[i]) == 0)
 206       break;
 207
 208   g_assert (i < N_FORMATS);
 209
 210   return (OutputFormat) i;
 211 }
 212
 213 static gchar *
 214 output_file_from_settings (GtkPrintSettings *settings,
 215                            const gchar      *default_format)
 216 {
 217   gchar *uri = NULL;
 218
 219   if (settings)
 220     uri = g_strdup (gtk_print_settings_get (settings, GTK_PRINT_SETTINGS_OUTPUT_URI));
 221
 222   if (uri == NULL)
 223     {
 224       const gchar *extension;
 225       gchar *name, *locale_name, *path;
 226
 227       if (default_format)
 228         extension = default_format;
 229       else
 230         {
 231           OutputFormat format;
 232
 233           format = format_from_settings (settings);
 234           extension = format == FORMAT_PS ? "ps" : "pdf";
 235         }
 236
 237       /* default filename used for print-to-file */
 238       name = g_strdup_printf (_("output.%s"), extension);
 239       locale_name = g_filename_from_utf8 (name, -1, NULL, NULL, NULL);
 240       g_free (name);
 241
 242       if (locale_name != NULL)
 243         {
 244           path = g_build_filename (g_get_current_dir (), locale_name, NULL);
 245           g_free (locale_name);
 246
 247           uri = g_filename_to_uri (path, NULL, NULL);
 248           g_free (path);
 249         }
 250     }
 251
 252   return uri;
 253 }
 254
 255 static cairo_status_t
 256 _cairo_write (void                *closure,
 257               const unsigned char *data,
 258               unsigned int         length)
 259 {
 260   GIOChannel *io = (GIOChannel *)closure;
 261   gsize written;
 262   GError *error;
 263
 264   error = NULL;
 265
 266   GTK_NOTE (PRINTING,
 267             g_print ("FILE Backend: Writting %i byte chunk to temp file\n", length));
 268
 269   while (length > 0)
 270     {
 271       g_io_channel_write_chars (io, (const gchar *) data, length, &written, &error);
 272
 273       if (error != NULL)
 274         {
 275           GTK_NOTE (PRINTING,
 276                      g_print ("FILE Backend: Error writting to temp file, %s\n", error->message));
 277
 278           g_error_free (error);
 279           return CAIRO_STATUS_WRITE_ERROR;
 280         }
 281
 282       GTK_NOTE (PRINTING,
 283                 g_print ("FILE Backend: Wrote %i bytes to temp file\n", written));
 284
 285       data += written;
 286       length -= written;
 287     }
 288
 289   return CAIRO_STATUS_SUCCESS;
 290 }
 291
 292
 293 static cairo_surface_t *
 294 file_printer_create_cairo_surface (GtkPrinter       *printer,
 295                                    GtkPrintSettings *settings,
 296                                    gdouble           width,
 297                                    gdouble           height,
 298                                    GIOChannel       *cache_io)
 299 {
 300   cairo_surface_t *surface;
 301   OutputFormat format;
 302
 303   format = format_from_settings (settings);
 304
 305   if (format == FORMAT_PS)
 306     surface = cairo_ps_surface_create_for_stream (_cairo_write, cache_io, width, height);
 307   else
 308     surface = cairo_pdf_surface_create_for_stream (_cairo_write, cache_io, width, height);
 309
 310   /* TODO: DPI from settings object? */
 311   cairo_surface_set_fallback_resolution (surface, 300, 300);
 312
 313   return surface;
 314 }
 315
 316 typedef struct {
 317   GtkPrintBackend *backend;
 318   GtkPrintJobCompleteFunc callback;
 319   GtkPrintJob *job;
 320   GIOChannel *target_io;
 321   gpointer user_data;
 322   GDestroyNotify dnotify;
 323 } _PrintStreamData;
 324
 325 static void
 326 file_print_cb (GtkPrintBackendFile *print_backend,
 327                GError              *error,
 328                gpointer            user_data)
 329 {
 330   _PrintStreamData *ps = (_PrintStreamData *) user_data;
 331
 332   GDK_THREADS_ENTER ();
 333
 334   if (ps->target_io != NULL)
 335     g_io_channel_unref (ps->target_io);
 336
 337   if (ps->callback)
 338     ps->callback (ps->job, ps->user_data, error);
 339
 340   if (ps->dnotify)
 341     ps->dnotify (ps->user_data);
 342
 343   gtk_print_job_set_status (ps->job,
 344                             (error != NULL)?GTK_PRINT_STATUS_FINISHED_ABORTED:GTK_PRINT_STATUS_FINISHED);
 345
 346   if (ps->job)
 347     g_object_unref (ps->job);
 348
 349   g_free (ps);
 350
 351   GDK_THREADS_LEAVE ();
 352 }
 353
 354 static gboolean
 355 file_write (GIOChannel   *source,
 356             GIOCondition  con,
 357             gpointer      user_data)
 358 {
 359   gchar buf[_STREAM_MAX_CHUNK_SIZE];
 360   gsize bytes_read;
 361   GError *error;
 362   GIOStatus read_status;
 363   _PrintStreamData *ps = (_PrintStreamData *) user_data;
 364
 365   error = NULL;
 366
 367   read_status =
 368     g_io_channel_read_chars (source,
 369                              buf,
 370                              _STREAM_MAX_CHUNK_SIZE,
 371                              &bytes_read,
 372                              &error);
 373
 374   if (read_status != G_IO_STATUS_ERROR)
 375     {
 376       gsize bytes_written;
 377
 378       g_io_channel_write_chars (ps->target_io,
 379                                 buf,
 380                                 bytes_read,
 381                                 &bytes_written,
 382                                 &error);
 383     }
 384
 385   if (error != NULL || read_status == G_IO_STATUS_EOF)
 386     {
 387       file_print_cb (GTK_PRINT_BACKEND_FILE (ps->backend), error, user_data);
 388
 389       if (error != NULL)
 390         {
 391           GTK_NOTE (PRINTING,
 392                     g_print ("FILE Backend: %s\n", error->message));
 393
 394           g_error_free (error);
 395         }
 396
 397       return FALSE;
 398     }
 399
 400   GTK_NOTE (PRINTING,
 401             g_print ("FILE Backend: Writting %i byte chunk to target file\n", bytes_read));
 402
 403   return TRUE;
 404 }
 405
 406 static void
 407 gtk_print_backend_file_print_stream (GtkPrintBackend        *print_backend,
 408                                      GtkPrintJob            *job,
 409                                      GIOChannel             *data_io,
 410                                      GtkPrintJobCompleteFunc callback,
 411                                      gpointer                user_data,
 412                                      GDestroyNotify          dnotify)
 413 {
 414   GError *internal_error = NULL;
 415   GtkPrinter *printer;
 416   _PrintStreamData *ps;
 417   GtkPrintSettings *settings;
 418   gchar *uri, *filename;
 419
 420   printer = gtk_print_job_get_printer (job);
 421   settings = gtk_print_job_get_settings (job);
 422
 423   ps = g_new0 (_PrintStreamData, 1);
 424   ps->callback = callback;
 425   ps->user_data = user_data;
 426   ps->dnotify = dnotify;
 427   ps->job = g_object_ref (job);
 428   ps->backend = print_backend;
 429
 430   internal_error = NULL;
 431   uri = output_file_from_settings (settings, NULL);
 432   filename = g_filename_from_uri (uri, NULL, &internal_error);
 433   g_free (uri);
 434
 435   if (filename == NULL)
 436     goto error;
 437
 438   ps->target_io = g_io_channel_new_file (filename, "w", &internal_error);
 439
 440   g_free (filename);
 441
 442   if (internal_error == NULL)
 443     g_io_channel_set_encoding (ps->target_io, NULL, &internal_error);
 444
 445 error:
 446   if (internal_error != NULL)
 447     {
 448       file_print_cb (GTK_PRINT_BACKEND_FILE (print_backend),
 449                     internal_error, ps);
 450
 451       g_error_free (internal_error);
 452       return;
 453     }
 454
 455   g_io_add_watch (data_io,
 456                   G_IO_IN | G_IO_PRI | G_IO_ERR | G_IO_HUP,
 457                   (GIOFunc) file_write,
 458                   ps);
 459 }
 460
 461 static void
 462 gtk_print_backend_file_init (GtkPrintBackendFile *backend)
 463 {
 464   GtkPrinter *printer;
 465
 466   printer = g_object_new (GTK_TYPE_PRINTER,
 467                           "name", _("Print to File"),
 468                           "backend", backend,
 469                           "is-virtual", TRUE,
 470                           NULL);
 471
 472   gtk_printer_set_has_details (printer, TRUE);
 473   gtk_printer_set_icon_name (printer, "gtk-floppy");
 474   gtk_printer_set_is_active (printer, TRUE);
 475
 476   gtk_print_backend_add_printer (GTK_PRINT_BACKEND (backend), printer);
 477   g_object_unref (printer);
 478
 479   gtk_print_backend_set_list_done (GTK_PRINT_BACKEND (backend));
 480 }
 481
 482 static void
 483 file_printer_output_file_format_changed (GtkPrinterOption    *format_option,
 484                                          GtkPrinterOptionSet *set)
 485 {
 486   GtkPrinterOption *uri_option;
 487   gchar            *base = NULL;
 488
 489   if (! format_option->value)
 490     return;
 491
 492   uri_option = gtk_printer_option_set_lookup (set,
 493                                               "gtk-main-page-custom-input");
 494
 495   if (uri_option && uri_option->value)
 496     {
 497       const gchar *uri = uri_option->value;
 498       const gchar *dot = strrchr (uri, '.');
 499
 500       if (dot)
 501         {
 502           gint i;
 503
 504           /*  check if the file extension matches one of the known ones  */
 505           for (i = 0; i < N_FORMATS; i++)
 506             if (strcmp (dot + 1, formats[i]) == 0)
 507               break;
 508
 509           if (i < N_FORMATS && strcmp (formats[i], format_option->value))
 510             {
 511               /*  the file extension is known but doesn't match the
 512                *  selected one, strip it away
 513                */
 514               base = g_strndup (uri, dot - uri);
 515             }
 516         }
 517       else
 518         {
 519           /*  there's no file extension  */
 520           base = g_strdup (uri);
 521         }
 522     }
 523
 524   if (base)
 525     {
 526       gchar *tmp = g_strdup_printf ("%s.%s", base, format_option->value);
 527
 528       gtk_printer_option_set (uri_option, tmp);
 529       g_free (tmp);
 530       g_free (base);
 531     }
 532 }
 533
 534 static GtkPrinterOptionSet *
 535 file_printer_get_options (GtkPrinter           *printer,
 536                           GtkPrintSettings     *settings,
 537                           GtkPageSetup         *page_setup,
 538                           GtkPrintCapabilities  capabilities)
 539 {
 540   GtkPrinterOptionSet *set;
 541   GtkPrinterOption *option;
 542   const gchar *n_up[] = {"1", "2", "4", "6", "9", "16" };
 543   const gchar *pages_per_sheet = NULL;
 544   const gchar *format_names[N_FORMATS] = { N_("PDF"), N_("Postscript") };
 545   const gchar *supported_formats[N_FORMATS];
 546   gchar *display_format_names[N_FORMATS];
 547   gint n_formats = 0;
 548   OutputFormat format;
 549   gchar *uri;
 550   gint current_format = 0;
 551
 552   format = format_from_settings (settings);
 553
 554   set = gtk_printer_option_set_new ();
 555
 556   option = gtk_printer_option_new ("gtk-n-up", _("Pages per _sheet:"), GTK_PRINTER_OPTION_TYPE_PICKONE);
 557   gtk_printer_option_choices_from_array (option, G_N_ELEMENTS (n_up),
 558                                          (char **) n_up, (char **) n_up /* FIXME i18n (localised digits)! */);
 559   if (settings)
 560     pages_per_sheet = gtk_print_settings_get (settings, GTK_PRINT_SETTINGS_NUMBER_UP);
 561   if (pages_per_sheet)
 562     gtk_printer_option_set (option, pages_per_sheet);
 563   else
 564     gtk_printer_option_set (option, "1");
 565   gtk_printer_option_set_add (set, option);
 566   g_object_unref (option);
 567
 568   if (capabilities & (GTK_PRINT_CAPABILITY_GENERATE_PDF | GTK_PRINT_CAPABILITY_GENERATE_PS))
 569     {
 570       if (capabilities & GTK_PRINT_CAPABILITY_GENERATE_PDF)
 571         {
 572           if (format == FORMAT_PDF || format == N_FORMATS)
 573             {
 574               format = FORMAT_PDF;
 575               current_format = n_formats;
 576             }
 577           supported_formats[n_formats] = formats[FORMAT_PDF];
 578           display_format_names[n_formats] = _(format_names[FORMAT_PDF]);
 579           n_formats++;
 580         }
 581       if (capabilities & GTK_PRINT_CAPABILITY_GENERATE_PS)
 582         {
 583           if (format == FORMAT_PS || format == N_FORMATS)
 584             current_format = n_formats;
 585           supported_formats[n_formats] = formats[FORMAT_PS];
 586           display_format_names[n_formats] = _(format_names[FORMAT_PS]);
 587           n_formats++;
 588         }
 589     }
 590   else
 591     {
 592       current_format = format == FORMAT_PS ? FORMAT_PS : FORMAT_PDF;
 593       for (n_formats = 0; n_formats < N_FORMATS; ++n_formats)
 594         {
 595           supported_formats[n_formats] = formats[n_formats];
 596           display_format_names[n_formats] = _(format_names[n_formats]);
 597         }
 598     }
 599
 600   uri = output_file_from_settings (settings, supported_formats[current_format]);
 601
 602   option = gtk_printer_option_new ("gtk-main-page-custom-input", _("File"),
 603                                    GTK_PRINTER_OPTION_TYPE_FILESAVE);
 604   gtk_printer_option_set (option, uri);
 605   g_free (uri);
 606   option->group = g_strdup ("GtkPrintDialogExtension");
 607   gtk_printer_option_set_add (set, option);
 608
 609   if (n_formats > 1)
 610     {
 611       option = gtk_printer_option_new ("output-file-format", _("_Output format"),
 612                                        GTK_PRINTER_OPTION_TYPE_ALTERNATIVE);
 613       option->group = g_strdup ("GtkPrintDialogExtension");
 614
 615       gtk_printer_option_choices_from_array (option, n_formats,
 616                                              (char **) supported_formats,
 617                                              display_format_names);
 618       gtk_printer_option_set (option, supported_formats[current_format]);
 619       gtk_printer_option_set_add (set, option);
 620
 621       g_signal_connect (option, "changed",
 622                         G_CALLBACK (file_printer_output_file_format_changed),
 623                         set);
 624
 625       g_object_unref (option);
 626     }
 627
 628   return set;
 629 }
 630
 631 static void
 632 file_printer_get_settings_from_options (GtkPrinter          *printer,
 633                                         GtkPrinterOptionSet *options,
 634                                         GtkPrintSettings    *settings)
 635 {
 636   GtkPrinterOption *option;
 637
 638   option = gtk_printer_option_set_lookup (options, "gtk-main-page-custom-input");
 639   gtk_print_settings_set (settings, GTK_PRINT_SETTINGS_OUTPUT_URI, option->value);
 640
 641   option = gtk_printer_option_set_lookup (options, "output-file-format");
 642   if (option)
 643     gtk_print_settings_set (settings, GTK_PRINT_SETTINGS_OUTPUT_FILE_FORMAT, option->value);
 644
 645   option = gtk_printer_option_set_lookup (options, "gtk-n-up");
 646   if (option)
 647     gtk_print_settings_set (settings, GTK_PRINT_SETTINGS_NUMBER_UP, option->value);
 648 }
 649
 650 static void
 651 file_printer_prepare_for_print (GtkPrinter       *printer,
 652                                 GtkPrintJob      *print_job,
 653                                 GtkPrintSettings *settings,
 654                                 GtkPageSetup     *page_setup)
 655 {
 656   gdouble scale;
 657
 658   print_job->print_pages = gtk_print_settings_get_print_pages (settings);
 659   print_job->page_ranges = NULL;
 660   print_job->num_page_ranges = 0;
 661
 662   if (print_job->print_pages == GTK_PRINT_PAGES_RANGES)
 663     print_job->page_ranges =
 664       gtk_print_settings_get_page_ranges (settings,
 665                                           &print_job->num_page_ranges);
 666
 667   print_job->collate = gtk_print_settings_get_collate (settings);
 668   print_job->reverse = gtk_print_settings_get_reverse (settings);
 669   print_job->num_copies = gtk_print_settings_get_n_copies (settings);
 670
 671   scale = gtk_print_settings_get_scale (settings);
 672   if (scale != 100.0)
 673     print_job->scale = scale/100.0;
 674
 675   print_job->page_set = gtk_print_settings_get_page_set (settings);
 676   print_job->rotate_to_orientation = TRUE;
 677 }
 678
 679 static GList *
 680 file_printer_list_papers (GtkPrinter *printer)
 681 {
 682   GList *result = NULL;
 683   GList *papers, *p;
 684   GtkPageSetup *page_setup;
 685
 686   papers = gtk_paper_size_get_paper_sizes (TRUE);
 687
 688   for (p = papers; p; p = p->next)
 689     {
 690       GtkPaperSize *paper_size = p->data;
 691
 692       page_setup = gtk_page_setup_new ();
 693       gtk_page_setup_set_paper_size (page_setup, paper_size);
 694       gtk_paper_size_free (paper_size);
 695       result = g_list_prepend (result, page_setup);
 696     }
 697
 698   g_list_free (papers);
 699
 700   return g_list_reverse (result);
 701 }
 702
 703 static GtkPageSetup *
 704 file_printer_get_default_page_size (GtkPrinter *printer)
 705 {
 706   GtkPageSetup *result = NULL;
 707
 708   return result;
 709 }