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-rw-r--r--modules/printbackends/gtkprintbackendfile.c846
1 files changed, 846 insertions, 0 deletions
diff --git a/modules/printbackends/gtkprintbackendfile.c b/modules/printbackends/gtkprintbackendfile.c
new file mode 100644
index 0000000000..b568e01395
--- /dev/null
+++ b/modules/printbackends/gtkprintbackendfile.c
@@ -0,0 +1,846 @@
+/* GTK - The GIMP Toolkit
+ * gtkprintbackendfile.c: Default implementation of GtkPrintBackend
+ * for printing to a file
+ * Copyright (C) 2003, Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <errno.h>
+#include <cairo.h>
+#include <cairo-pdf.h>
+#include <cairo-ps.h>
+#include <cairo-svg.h>
+
+#include <glib/gi18n-lib.h>
+
+#include "gtk/gtk.h"
+#include "gtk/gtkprinter-private.h"
+
+#include "gtkprintbackendfile.h"
+
+typedef struct _GtkPrintBackendFileClass GtkPrintBackendFileClass;
+
+#define GTK_PRINT_BACKEND_FILE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_PRINT_BACKEND_FILE, GtkPrintBackendFileClass))
+#define GTK_IS_PRINT_BACKEND_FILE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_PRINT_BACKEND_FILE))
+#define GTK_PRINT_BACKEND_FILE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_PRINT_BACKEND_FILE, GtkPrintBackendFileClass))
+
+#define _STREAM_MAX_CHUNK_SIZE 8192
+
+struct _GtkPrintBackendFileClass
+{
+ GtkPrintBackendClass parent_class;
+};
+
+struct _GtkPrintBackendFile
+{
+ GtkPrintBackend parent_instance;
+};
+
+typedef enum
+{
+ FORMAT_PDF,
+ FORMAT_PS,
+ FORMAT_SVG,
+ N_FORMATS
+} OutputFormat;
+
+static const gchar* formats[N_FORMATS] =
+{
+ "pdf",
+ "ps",
+ "svg"
+};
+
+static GObjectClass *backend_parent_class;
+
+static void gtk_print_backend_file_class_init (GtkPrintBackendFileClass *class);
+static void gtk_print_backend_file_init (GtkPrintBackendFile *impl);
+static void file_printer_get_settings_from_options (GtkPrinter *printer,
+ GtkPrinterOptionSet *options,
+ GtkPrintSettings *settings);
+static GtkPrinterOptionSet *file_printer_get_options (GtkPrinter *printer,
+ GtkPrintSettings *settings,
+ GtkPageSetup *page_setup,
+ GtkPrintCapabilities capabilities);
+static void file_printer_prepare_for_print (GtkPrinter *printer,
+ GtkPrintJob *print_job,
+ GtkPrintSettings *settings,
+ GtkPageSetup *page_setup);
+static void gtk_print_backend_file_print_stream (GtkPrintBackend *print_backend,
+ GtkPrintJob *job,
+ GIOChannel *data_io,
+ GtkPrintJobCompleteFunc callback,
+ gpointer user_data,
+ GDestroyNotify dnotify);
+static cairo_surface_t * file_printer_create_cairo_surface (GtkPrinter *printer,
+ GtkPrintSettings *settings,
+ gdouble width,
+ gdouble height,
+ GIOChannel *cache_io);
+
+static GList * file_printer_list_papers (GtkPrinter *printer);
+static GtkPageSetup * file_printer_get_default_page_size (GtkPrinter *printer);
+
+G_DEFINE_DYNAMIC_TYPE(GtkPrintBackendFile, gtk_print_backend_file, GTK_TYPE_PRINT_BACKEND)
+
+void
+g_io_module_load (GIOModule *module)
+{
+ g_type_module_use (G_TYPE_MODULE (module));
+
+ gtk_print_backend_file_register_type (G_TYPE_MODULE (module));
+
+ g_io_extension_point_implement (GTK_PRINT_BACKEND_EXTENSION_POINT_NAME,
+ GTK_TYPE_PRINT_BACKEND_FILE,
+ "file",
+ 10);
+}
+
+void
+g_io_module_unload (GIOModule *module)
+{
+}
+
+char **
+g_io_module_query (void)
+{
+ char *eps[] = {
+ GTK_PRINT_BACKEND_EXTENSION_POINT_NAME,
+ NULL
+ };
+
+ return g_strdupv (eps);
+}
+
+/**
+ * gtk_print_backend_file_new:
+ *
+ * Creates a new #GtkPrintBackendFile object. #GtkPrintBackendFile
+ * implements the #GtkPrintBackend interface with direct access to
+ * the filesystem using Unix/Linux API calls
+ *
+ * Returns: the new #GtkPrintBackendFile object
+ **/
+GtkPrintBackend *
+gtk_print_backend_file_new (void)
+{
+ return g_object_new (GTK_TYPE_PRINT_BACKEND_FILE, NULL);
+}
+
+static void
+gtk_print_backend_file_class_init (GtkPrintBackendFileClass *class)
+{
+ GtkPrintBackendClass *backend_class = GTK_PRINT_BACKEND_CLASS (class);
+
+ backend_parent_class = g_type_class_peek_parent (class);
+
+ backend_class->print_stream = gtk_print_backend_file_print_stream;
+ backend_class->printer_create_cairo_surface = file_printer_create_cairo_surface;
+ backend_class->printer_get_options = file_printer_get_options;
+ backend_class->printer_get_settings_from_options = file_printer_get_settings_from_options;
+ backend_class->printer_prepare_for_print = file_printer_prepare_for_print;
+ backend_class->printer_list_papers = file_printer_list_papers;
+ backend_class->printer_get_default_page_size = file_printer_get_default_page_size;
+}
+
+static void
+gtk_print_backend_file_class_finalize (GtkPrintBackendFileClass *class)
+{
+}
+
+/* return N_FORMATS if no explicit format in the settings */
+static OutputFormat
+format_from_settings (GtkPrintSettings *settings)
+{
+ const gchar *value;
+ gint i;
+
+ if (settings == NULL)
+ return N_FORMATS;
+
+ value = gtk_print_settings_get (settings,
+ GTK_PRINT_SETTINGS_OUTPUT_FILE_FORMAT);
+ if (value == NULL)
+ return N_FORMATS;
+
+ for (i = 0; i < N_FORMATS; ++i)
+ if (strcmp (value, formats[i]) == 0)
+ break;
+
+ g_assert (i < N_FORMATS);
+
+ return (OutputFormat) i;
+}
+
+static gchar *
+output_file_from_settings (GtkPrintSettings *settings,
+ const gchar *default_format)
+{
+ gchar *uri = NULL;
+
+ if (settings)
+ uri = g_strdup (gtk_print_settings_get (settings, GTK_PRINT_SETTINGS_OUTPUT_URI));
+
+ if (uri == NULL)
+ {
+ const gchar *extension, *basename = NULL, *output_dir = NULL;
+ gchar *name, *locale_name, *path;
+
+ if (default_format)
+ extension = default_format;
+ else
+ {
+ OutputFormat format;
+
+ format = format_from_settings (settings);
+ switch (format)
+ {
+ default:
+ case FORMAT_PDF:
+ extension = "pdf";
+ break;
+ case FORMAT_PS:
+ extension = "ps";
+ break;
+ case FORMAT_SVG:
+ extension = "svg";
+ break;
+ }
+ }
+
+ if (settings)
+ basename = gtk_print_settings_get (settings, GTK_PRINT_SETTINGS_OUTPUT_BASENAME);
+ if (basename == NULL)
+ basename = _("output");
+
+ name = g_strconcat (basename, ".", extension, NULL);
+
+ locale_name = g_filename_from_utf8 (name, -1, NULL, NULL, NULL);
+ g_free (name);
+
+ if (locale_name != NULL)
+ {
+ if (settings)
+ output_dir = gtk_print_settings_get (settings, GTK_PRINT_SETTINGS_OUTPUT_DIR);
+ if (output_dir == NULL)
+ {
+ const gchar *document_dir = g_get_user_special_dir (G_USER_DIRECTORY_DOCUMENTS);
+
+ if (document_dir == NULL)
+ {
+ gchar *current_dir = g_get_current_dir ();
+ path = g_build_filename (current_dir, locale_name, NULL);
+ g_free (current_dir);
+ }
+ else
+ path = g_build_filename (document_dir, locale_name, NULL);
+
+ uri = g_filename_to_uri (path, NULL, NULL);
+ }
+ else
+ {
+ path = g_build_filename (output_dir, locale_name, NULL);
+ uri = g_filename_to_uri (path, NULL, NULL);
+ }
+
+ g_free (path);
+ g_free (locale_name);
+ }
+ }
+
+ return uri;
+}
+
+static cairo_status_t
+_cairo_write (void *closure,
+ const unsigned char *data,
+ unsigned int length)
+{
+ GIOChannel *io = (GIOChannel *)closure;
+ gsize written = 0;
+ GError *error;
+
+ error = NULL;
+
+ GTK_NOTE (PRINTING,
+ g_print ("FILE Backend: Writting %u byte chunk to temp file\n", length));
+
+ while (length > 0)
+ {
+ GIOStatus status;
+
+ status = g_io_channel_write_chars (io, (const gchar *) data, length, &written, &error);
+
+ if (status == G_IO_STATUS_ERROR)
+ {
+ if (error != NULL)
+ {
+ GTK_NOTE (PRINTING,
+ g_print ("FILE Backend: Error writting to temp file, %s\n", error->message));
+
+ g_error_free (error);
+ }
+
+ return CAIRO_STATUS_WRITE_ERROR;
+ }
+
+ GTK_NOTE (PRINTING,
+ g_print ("FILE Backend: Wrote %zd bytes to temp file\n", written));
+
+ data += written;
+ length -= written;
+ }
+
+ return CAIRO_STATUS_SUCCESS;
+}
+
+
+static cairo_surface_t *
+file_printer_create_cairo_surface (GtkPrinter *printer,
+ GtkPrintSettings *settings,
+ gdouble width,
+ gdouble height,
+ GIOChannel *cache_io)
+{
+ cairo_surface_t *surface;
+ OutputFormat format;
+ const cairo_svg_version_t *versions;
+ int num_versions = 0;
+
+ format = format_from_settings (settings);
+
+ switch (format)
+ {
+ default:
+ case FORMAT_PDF:
+ surface = cairo_pdf_surface_create_for_stream (_cairo_write, cache_io, width, height);
+ break;
+ case FORMAT_PS:
+ surface = cairo_ps_surface_create_for_stream (_cairo_write, cache_io, width, height);
+ break;
+ case FORMAT_SVG:
+ surface = cairo_svg_surface_create_for_stream (_cairo_write, cache_io, width, height);
+ cairo_svg_get_versions (&versions, &num_versions);
+ if (num_versions > 0)
+ cairo_svg_surface_restrict_to_version (surface, versions[num_versions - 1]);
+ break;
+ }
+
+ cairo_surface_set_fallback_resolution (surface,
+ 2.0 * gtk_print_settings_get_printer_lpi (settings),
+ 2.0 * gtk_print_settings_get_printer_lpi (settings));
+
+ return surface;
+}
+
+typedef struct {
+ GtkPrintBackend *backend;
+ GtkPrintJobCompleteFunc callback;
+ GtkPrintJob *job;
+ GFileOutputStream *target_io_stream;
+ gpointer user_data;
+ GDestroyNotify dnotify;
+} _PrintStreamData;
+
+static void
+file_print_cb (GtkPrintBackendFile *print_backend,
+ GError *error,
+ gpointer user_data)
+{
+ gchar *uri;
+
+ _PrintStreamData *ps = (_PrintStreamData *) user_data;
+ GtkRecentManager *recent_manager;
+
+ if (ps->target_io_stream != NULL)
+ (void)g_output_stream_close (G_OUTPUT_STREAM (ps->target_io_stream), NULL, NULL);
+
+ if (ps->callback)
+ ps->callback (ps->job, ps->user_data, error);
+
+ if (ps->dnotify)
+ ps->dnotify (ps->user_data);
+
+ gtk_print_job_set_status (ps->job,
+ (error != NULL)
+ ? GTK_PRINT_STATUS_FINISHED_ABORTED
+ : GTK_PRINT_STATUS_FINISHED);
+
+ recent_manager = gtk_recent_manager_get_default ();
+ uri = output_file_from_settings (gtk_print_job_get_settings (ps->job), NULL);
+ gtk_recent_manager_add_item (recent_manager, uri);
+ g_free (uri);
+
+ if (ps->job)
+ g_object_unref (ps->job);
+
+ g_free (ps);
+}
+
+static gboolean
+file_write (GIOChannel *source,
+ GIOCondition con,
+ gpointer user_data)
+{
+ gchar buf[_STREAM_MAX_CHUNK_SIZE];
+ gsize bytes_read;
+ GError *error;
+ GIOStatus read_status;
+ _PrintStreamData *ps = (_PrintStreamData *) user_data;
+
+ error = NULL;
+
+ read_status =
+ g_io_channel_read_chars (source,
+ buf,
+ _STREAM_MAX_CHUNK_SIZE,
+ &bytes_read,
+ &error);
+
+ if (read_status != G_IO_STATUS_ERROR)
+ {
+ gsize bytes_written;
+
+ g_output_stream_write_all (G_OUTPUT_STREAM (ps->target_io_stream),
+ buf,
+ bytes_read,
+ &bytes_written,
+ NULL,
+ &error);
+ }
+
+ if (error != NULL || read_status == G_IO_STATUS_EOF)
+ {
+ file_print_cb (GTK_PRINT_BACKEND_FILE (ps->backend), error, user_data);
+
+ if (error != NULL)
+ {
+ GTK_NOTE (PRINTING,
+ g_print ("FILE Backend: %s\n", error->message));
+
+ g_error_free (error);
+ }
+
+ return FALSE;
+ }
+
+ GTK_NOTE (PRINTING,
+ g_print ("FILE Backend: Writting %lu byte chunk to target file\n", bytes_read));
+
+ return TRUE;
+}
+
+static void
+gtk_print_backend_file_print_stream (GtkPrintBackend *print_backend,
+ GtkPrintJob *job,
+ GIOChannel *data_io,
+ GtkPrintJobCompleteFunc callback,
+ gpointer user_data,
+ GDestroyNotify dnotify)
+{
+ GError *internal_error = NULL;
+ _PrintStreamData *ps;
+ GtkPrintSettings *settings;
+ gchar *uri;
+ GFile *file = NULL;
+
+ settings = gtk_print_job_get_settings (job);
+
+ ps = g_new0 (_PrintStreamData, 1);
+ ps->callback = callback;
+ ps->user_data = user_data;
+ ps->dnotify = dnotify;
+ ps->job = g_object_ref (job);
+ ps->backend = print_backend;
+
+ internal_error = NULL;
+ uri = output_file_from_settings (settings, NULL);
+
+ if (uri == NULL)
+ goto error;
+
+ file = g_file_new_for_uri (uri);
+ ps->target_io_stream = g_file_replace (file, NULL, FALSE, G_FILE_CREATE_NONE, NULL, &internal_error);
+
+ g_object_unref (file);
+ g_free (uri);
+
+error:
+ if (internal_error != NULL)
+ {
+ file_print_cb (GTK_PRINT_BACKEND_FILE (print_backend),
+ internal_error, ps);
+
+ g_error_free (internal_error);
+ return;
+ }
+
+ g_io_add_watch (data_io,
+ G_IO_IN | G_IO_PRI | G_IO_ERR | G_IO_HUP,
+ (GIOFunc) file_write,
+ ps);
+}
+
+static void
+gtk_print_backend_file_init (GtkPrintBackendFile *backend)
+{
+ GtkPrinter *printer;
+
+ printer = g_object_new (GTK_TYPE_PRINTER,
+ "name", _("Print to File"),
+ "backend", backend,
+ "is-virtual", TRUE,
+ "accepts-pdf", TRUE,
+ NULL);
+
+ gtk_printer_set_has_details (printer, TRUE);
+ gtk_printer_set_icon_name (printer, "document-save");
+ gtk_printer_set_is_active (printer, TRUE);
+
+ gtk_print_backend_add_printer (GTK_PRINT_BACKEND (backend), printer);
+ g_object_unref (printer);
+
+ gtk_print_backend_set_list_done (GTK_PRINT_BACKEND (backend));
+}
+
+typedef struct {
+ GtkPrinter *printer;
+ GtkPrinterOptionSet *set;
+} _OutputFormatChangedData;
+
+static void
+set_printer_format_from_option_set (GtkPrinter *printer,
+ GtkPrinterOptionSet *set)
+{
+ GtkPrinterOption *format_option;
+ const gchar *value;
+ gint i;
+
+ format_option = gtk_printer_option_set_lookup (set, "output-file-format");
+ if (format_option && format_option->value)
+ {
+ value = format_option->value;
+ if (value)
+ {
+ for (i = 0; i < N_FORMATS; ++i)
+ if (strcmp (value, formats[i]) == 0)
+ break;
+
+ g_assert (i < N_FORMATS);
+
+ switch (i)
+ {
+ case FORMAT_PDF:
+ gtk_printer_set_accepts_pdf (printer, TRUE);
+ gtk_printer_set_accepts_ps (printer, FALSE);
+ break;
+ case FORMAT_PS:
+ gtk_printer_set_accepts_pdf (printer, FALSE);
+ gtk_printer_set_accepts_ps (printer, TRUE);
+ break;
+ case FORMAT_SVG:
+ default:
+ gtk_printer_set_accepts_pdf (printer, FALSE);
+ gtk_printer_set_accepts_ps (printer, FALSE);
+ break;
+ }
+ }
+ }
+}
+
+static void
+file_printer_output_file_format_changed (GtkPrinterOption *format_option,
+ gpointer user_data)
+{
+ GtkPrinterOption *uri_option;
+ gchar *base = NULL;
+ _OutputFormatChangedData *data = (_OutputFormatChangedData *) user_data;
+
+ if (! format_option->value)
+ return;
+
+ uri_option = gtk_printer_option_set_lookup (data->set,
+ "gtk-main-page-custom-input");
+
+ if (uri_option && uri_option->value)
+ {
+ const gchar *uri = uri_option->value;
+ const gchar *dot = strrchr (uri, '.');
+
+ if (dot)
+ {
+ gint i;
+
+ /* check if the file extension matches one of the known ones */
+ for (i = 0; i < N_FORMATS; i++)
+ if (strcmp (dot + 1, formats[i]) == 0)
+ break;
+
+ if (i < N_FORMATS && strcmp (formats[i], format_option->value))
+ {
+ /* the file extension is known but doesn't match the
+ * selected one, strip it away
+ */
+ base = g_strndup (uri, dot - uri);
+ }
+ }
+ else
+ {
+ /* there's no file extension */
+ base = g_strdup (uri);
+ }
+ }
+
+ if (base)
+ {
+ gchar *tmp = g_strdup_printf ("%s.%s", base, format_option->value);
+
+ gtk_printer_option_set (uri_option, tmp);
+ g_free (tmp);
+ g_free (base);
+ }
+
+ set_printer_format_from_option_set (data->printer, data->set);
+}
+
+static GtkPrinterOptionSet *
+file_printer_get_options (GtkPrinter *printer,
+ GtkPrintSettings *settings,
+ GtkPageSetup *page_setup,
+ GtkPrintCapabilities capabilities)
+{
+ GtkPrinterOptionSet *set;
+ GtkPrinterOption *option;
+ const gchar *n_up[] = {"1", "2", "4", "6", "9", "16" };
+ const gchar *pages_per_sheet = NULL;
+ const gchar *format_names[N_FORMATS] = { N_("PDF"), N_("PostScript"), N_("SVG") };
+ const gchar *supported_formats[N_FORMATS];
+ gchar *display_format_names[N_FORMATS];
+ gint n_formats = 0;
+ OutputFormat format;
+ gchar *uri;
+ gint current_format = 0;
+ _OutputFormatChangedData *format_changed_data;
+
+ format = format_from_settings (settings);
+
+ set = gtk_printer_option_set_new ();
+
+ option = gtk_printer_option_new ("gtk-n-up", _("Pages per _sheet:"), GTK_PRINTER_OPTION_TYPE_PICKONE);
+ gtk_printer_option_choices_from_array (option, G_N_ELEMENTS (n_up),
+ (char **) n_up, (char **) n_up /* FIXME i18n (localised digits)! */);
+ if (settings)
+ pages_per_sheet = gtk_print_settings_get (settings, GTK_PRINT_SETTINGS_NUMBER_UP);
+ if (pages_per_sheet)
+ gtk_printer_option_set (option, pages_per_sheet);
+ else
+ gtk_printer_option_set (option, "1");
+ gtk_printer_option_set_add (set, option);
+ g_object_unref (option);
+
+ if (capabilities & (GTK_PRINT_CAPABILITY_GENERATE_PDF | GTK_PRINT_CAPABILITY_GENERATE_PS))
+ {
+ if (capabilities & GTK_PRINT_CAPABILITY_GENERATE_PDF)
+ {
+ if (format == FORMAT_PDF || format == N_FORMATS)
+ {
+ format = FORMAT_PDF;
+ current_format = n_formats;
+ }
+ supported_formats[n_formats] = formats[FORMAT_PDF];
+ display_format_names[n_formats] = _(format_names[FORMAT_PDF]);
+ n_formats++;
+ }
+ if (capabilities & GTK_PRINT_CAPABILITY_GENERATE_PS)
+ {
+ if (format == FORMAT_PS || format == N_FORMATS)
+ current_format = n_formats;
+ supported_formats[n_formats] = formats[FORMAT_PS];
+ display_format_names[n_formats] = _(format_names[FORMAT_PS]);
+ n_formats++;
+ }
+ }
+ else
+ {
+ switch (format)
+ {
+ default:
+ case FORMAT_PDF:
+ current_format = FORMAT_PDF;
+ break;
+ case FORMAT_PS:
+ current_format = FORMAT_PS;
+ break;
+ case FORMAT_SVG:
+ current_format = FORMAT_SVG;
+ break;
+ }
+
+ for (n_formats = 0; n_formats < N_FORMATS; ++n_formats)
+ {
+ supported_formats[n_formats] = formats[n_formats];
+ display_format_names[n_formats] = _(format_names[n_formats]);
+ }
+ }
+
+ uri = output_file_from_settings (settings, supported_formats[current_format]);
+
+ option = gtk_printer_option_new ("gtk-main-page-custom-input", _("File"),
+ GTK_PRINTER_OPTION_TYPE_FILESAVE);
+ gtk_printer_option_set_activates_default (option, TRUE);
+ gtk_printer_option_set (option, uri);
+ g_free (uri);
+ option->group = g_strdup ("GtkPrintDialogExtension");
+ gtk_printer_option_set_add (set, option);
+
+ if (n_formats > 1)
+ {
+ option = gtk_printer_option_new ("output-file-format", _("_Output format"),
+ GTK_PRINTER_OPTION_TYPE_ALTERNATIVE);
+ option->group = g_strdup ("GtkPrintDialogExtension");
+
+ gtk_printer_option_choices_from_array (option, n_formats,
+ (char **) supported_formats,
+ display_format_names);
+ gtk_printer_option_set (option, supported_formats[current_format]);
+ gtk_printer_option_set_add (set, option);
+
+ set_printer_format_from_option_set (printer, set);
+ format_changed_data = g_new (_OutputFormatChangedData, 1);
+ format_changed_data->printer = printer;
+ format_changed_data->set = set;
+ g_signal_connect_data (option, "changed",
+ G_CALLBACK (file_printer_output_file_format_changed),
+ format_changed_data, (GClosureNotify)g_free, 0);
+
+ g_object_unref (option);
+ }
+
+ return set;
+}
+
+static void
+file_printer_get_settings_from_options (GtkPrinter *printer,
+ GtkPrinterOptionSet *options,
+ GtkPrintSettings *settings)
+{
+ GtkPrinterOption *option;
+
+ option = gtk_printer_option_set_lookup (options, "gtk-main-page-custom-input");
+ gtk_print_settings_set (settings, GTK_PRINT_SETTINGS_OUTPUT_URI, option->value);
+
+ option = gtk_printer_option_set_lookup (options, "output-file-format");
+ if (option)
+ gtk_print_settings_set (settings, GTK_PRINT_SETTINGS_OUTPUT_FILE_FORMAT, option->value);
+
+ option = gtk_printer_option_set_lookup (options, "gtk-n-up");
+ if (option)
+ gtk_print_settings_set (settings, GTK_PRINT_SETTINGS_NUMBER_UP, option->value);
+
+ option = gtk_printer_option_set_lookup (options, "gtk-n-up-layout");
+ if (option)
+ gtk_print_settings_set (settings, GTK_PRINT_SETTINGS_NUMBER_UP_LAYOUT, option->value);
+}
+
+static void
+file_printer_prepare_for_print (GtkPrinter *printer,
+ GtkPrintJob *print_job,
+ GtkPrintSettings *settings,
+ GtkPageSetup *page_setup)
+{
+ gdouble scale;
+ GtkPrintPages pages;
+ GtkPageRange *ranges;
+ gint n_ranges;
+ OutputFormat format;
+
+ pages = gtk_print_settings_get_print_pages (settings);
+ gtk_print_job_set_pages (print_job, pages);
+
+ if (pages == GTK_PRINT_PAGES_RANGES)
+ ranges = gtk_print_settings_get_page_ranges (settings, &n_ranges);
+ else
+ {
+ ranges = NULL;
+ n_ranges = 0;
+ }
+
+ gtk_print_job_set_page_ranges (print_job, ranges, n_ranges);
+ gtk_print_job_set_collate (print_job, gtk_print_settings_get_collate (settings));
+ gtk_print_job_set_reverse (print_job, gtk_print_settings_get_reverse (settings));
+ gtk_print_job_set_num_copies (print_job, gtk_print_settings_get_n_copies (settings));
+ gtk_print_job_set_n_up (print_job, gtk_print_settings_get_number_up (settings));
+ gtk_print_job_set_n_up_layout (print_job, gtk_print_settings_get_number_up_layout (settings));
+
+ scale = gtk_print_settings_get_scale (settings);
+ if (scale != 100.0)
+ gtk_print_job_set_scale (print_job, scale / 100.0);
+
+ gtk_print_job_set_page_set (print_job, gtk_print_settings_get_page_set (settings));
+
+ format = format_from_settings (settings);
+ switch (format)
+ {
+ case FORMAT_PDF:
+ gtk_print_job_set_rotate (print_job, FALSE);
+ break;
+ default:
+ case FORMAT_PS:
+ case FORMAT_SVG:
+ gtk_print_job_set_rotate (print_job, TRUE);
+ break;
+ }
+}
+
+static GList *
+file_printer_list_papers (GtkPrinter *printer)
+{
+ GList *result = NULL;
+ GList *papers, *p;
+ GtkPageSetup *page_setup;
+
+ papers = gtk_paper_size_get_paper_sizes (FALSE);
+
+ for (p = papers; p; p = p->next)
+ {
+ GtkPaperSize *paper_size = p->data;
+
+ page_setup = gtk_page_setup_new ();
+ gtk_page_setup_set_paper_size (page_setup, paper_size);
+ gtk_paper_size_free (paper_size);
+ result = g_list_prepend (result, page_setup);
+ }
+
+ g_list_free (papers);
+
+ return g_list_reverse (result);
+}
+
+static GtkPageSetup *
+file_printer_get_default_page_size (GtkPrinter *printer)
+{
+ GtkPageSetup *result = NULL;
+
+ return result;
+}