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