848 lines
24 KiB
C
848 lines
24 KiB
C
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/* GTK - The GIMP Toolkit
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* gtkprintbackendfile.c: Default implementation of GtkPrintBackend
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* for printing to a file
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* Copyright (C) 2003, Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <cairo.h>
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#include <cairo-pdf.h>
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#include <cairo-ps.h>
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#include <cairo-svg.h>
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#include <glib/gi18n-lib.h>
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#include "gtk/gtk.h"
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#include "gtk/print/gtkprinterprivate.h"
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#include "gtk/gtkprivate.h"
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#include "gtkprintbackendfile.h"
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typedef struct _GtkPrintBackendFileClass GtkPrintBackendFileClass;
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#define GTK_PRINT_BACKEND_FILE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_PRINT_BACKEND_FILE, GtkPrintBackendFileClass))
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#define GTK_IS_PRINT_BACKEND_FILE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_PRINT_BACKEND_FILE))
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#define GTK_PRINT_BACKEND_FILE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_PRINT_BACKEND_FILE, GtkPrintBackendFileClass))
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#define _STREAM_MAX_CHUNK_SIZE 8192
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struct _GtkPrintBackendFileClass
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{
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GtkPrintBackendClass parent_class;
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};
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struct _GtkPrintBackendFile
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{
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GtkPrintBackend parent_instance;
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};
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typedef enum
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{
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FORMAT_PDF,
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FORMAT_PS,
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FORMAT_SVG,
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N_FORMATS
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} OutputFormat;
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static const char * formats[N_FORMATS] =
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{
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"pdf",
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"ps",
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"svg"
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};
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static GObjectClass *backend_parent_class;
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static void file_printer_get_settings_from_options (GtkPrinter *printer,
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GtkPrinterOptionSet *options,
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GtkPrintSettings *settings);
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static GtkPrinterOptionSet *file_printer_get_options (GtkPrinter *printer,
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GtkPrintSettings *settings,
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GtkPageSetup *page_setup,
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GtkPrintCapabilities capabilities);
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static void file_printer_prepare_for_print (GtkPrinter *printer,
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GtkPrintJob *print_job,
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GtkPrintSettings *settings,
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GtkPageSetup *page_setup);
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static void gtk_print_backend_file_print_stream (GtkPrintBackend *print_backend,
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GtkPrintJob *job,
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GIOChannel *data_io,
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GtkPrintJobCompleteFunc callback,
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gpointer user_data,
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GDestroyNotify dnotify);
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static cairo_surface_t * file_printer_create_cairo_surface (GtkPrinter *printer,
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GtkPrintSettings *settings,
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double width,
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double height,
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GIOChannel *cache_io);
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static GList * file_printer_list_papers (GtkPrinter *printer);
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static GtkPageSetup * file_printer_get_default_page_size (GtkPrinter *printer);
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G_DEFINE_DYNAMIC_TYPE(GtkPrintBackendFile, gtk_print_backend_file, GTK_TYPE_PRINT_BACKEND)
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G_MODULE_EXPORT
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void
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g_io_module_load (GIOModule *module)
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{
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g_type_module_use (G_TYPE_MODULE (module));
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gtk_print_backend_file_register_type (G_TYPE_MODULE (module));
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g_io_extension_point_implement (GTK_PRINT_BACKEND_EXTENSION_POINT_NAME,
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GTK_TYPE_PRINT_BACKEND_FILE,
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"file",
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10);
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}
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G_MODULE_EXPORT
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void
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g_io_module_unload (GIOModule *module)
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{
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}
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G_MODULE_EXPORT
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char **
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g_io_module_query (void)
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{
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char *eps[] = {
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(char *)GTK_PRINT_BACKEND_EXTENSION_POINT_NAME,
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NULL
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};
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return g_strdupv (eps);
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}
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/**
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* gtk_print_backend_file_new:
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*
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* Creates a new #GtkPrintBackendFile object. #GtkPrintBackendFile
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* implements the #GtkPrintBackend interface with direct access to
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* the filesystem using Unix/Linux API calls
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*
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* Returns: the new #GtkPrintBackendFile object
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**/
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GtkPrintBackend *
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gtk_print_backend_file_new (void)
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{
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return g_object_new (GTK_TYPE_PRINT_BACKEND_FILE, NULL);
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}
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static void
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gtk_print_backend_file_class_init (GtkPrintBackendFileClass *class)
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{
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GtkPrintBackendClass *backend_class = GTK_PRINT_BACKEND_CLASS (class);
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backend_parent_class = g_type_class_peek_parent (class);
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backend_class->print_stream = gtk_print_backend_file_print_stream;
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backend_class->printer_create_cairo_surface = file_printer_create_cairo_surface;
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backend_class->printer_get_options = file_printer_get_options;
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backend_class->printer_get_settings_from_options = file_printer_get_settings_from_options;
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backend_class->printer_prepare_for_print = file_printer_prepare_for_print;
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backend_class->printer_list_papers = file_printer_list_papers;
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backend_class->printer_get_default_page_size = file_printer_get_default_page_size;
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}
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static void
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gtk_print_backend_file_class_finalize (GtkPrintBackendFileClass *class)
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{
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}
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/* return N_FORMATS if no explicit format in the settings */
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static OutputFormat
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format_from_settings (GtkPrintSettings *settings)
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{
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const char *value;
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int i;
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if (settings == NULL)
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return N_FORMATS;
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value = gtk_print_settings_get (settings,
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GTK_PRINT_SETTINGS_OUTPUT_FILE_FORMAT);
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if (value == NULL)
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return N_FORMATS;
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for (i = 0; i < N_FORMATS; ++i)
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if (strcmp (value, formats[i]) == 0)
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break;
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g_assert (i < N_FORMATS);
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return (OutputFormat) i;
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}
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static char *
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output_file_from_settings (GtkPrintSettings *settings,
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const char *default_format)
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{
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char *uri = NULL;
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if (settings)
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uri = g_strdup (gtk_print_settings_get (settings, GTK_PRINT_SETTINGS_OUTPUT_URI));
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if (uri == NULL)
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{
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const char *extension, *basename = NULL, *output_dir = NULL;
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char *name, *locale_name, *path;
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if (default_format)
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extension = default_format;
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else
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{
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OutputFormat format;
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format = format_from_settings (settings);
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switch (format)
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{
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default:
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case N_FORMATS:
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case FORMAT_PDF:
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extension = "pdf";
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break;
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case FORMAT_PS:
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extension = "ps";
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break;
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case FORMAT_SVG:
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extension = "svg";
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break;
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}
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}
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if (settings)
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basename = gtk_print_settings_get (settings, GTK_PRINT_SETTINGS_OUTPUT_BASENAME);
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if (basename == NULL)
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basename = _("output");
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name = g_strconcat (basename, ".", extension, NULL);
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locale_name = g_filename_from_utf8 (name, -1, NULL, NULL, NULL);
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g_free (name);
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if (locale_name != NULL)
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{
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if (settings)
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output_dir = gtk_print_settings_get (settings, GTK_PRINT_SETTINGS_OUTPUT_DIR);
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if (output_dir == NULL)
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{
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const char *document_dir = g_get_user_special_dir (G_USER_DIRECTORY_DOCUMENTS);
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if (document_dir == NULL)
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{
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char *current_dir = g_get_current_dir ();
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path = g_build_filename (current_dir, locale_name, NULL);
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g_free (current_dir);
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}
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else
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path = g_build_filename (document_dir, locale_name, NULL);
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uri = g_filename_to_uri (path, NULL, NULL);
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}
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else
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{
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path = g_build_filename (output_dir, locale_name, NULL);
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uri = g_filename_to_uri (path, NULL, NULL);
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}
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g_free (path);
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g_free (locale_name);
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}
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}
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return uri;
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}
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static cairo_status_t
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_cairo_write (void *closure,
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const unsigned char *data,
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unsigned int length)
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{
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GIOChannel *io = (GIOChannel *)closure;
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gsize written = 0;
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GError *error;
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error = NULL;
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GTK_DEBUG (PRINTING, "FILE Backend: Writing %u byte chunk to temp file", length);
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while (length > 0)
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{
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GIOStatus status;
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status = g_io_channel_write_chars (io, (const char *) data, length, &written, &error);
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if (status == G_IO_STATUS_ERROR)
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{
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if (error != NULL)
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{
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GTK_DEBUG (PRINTING, "FILE Backend: Error writing to temp file, %s", error->message);
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g_error_free (error);
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}
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return CAIRO_STATUS_WRITE_ERROR;
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}
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GTK_DEBUG (PRINTING, "FILE Backend: Wrote %zd bytes to temp file", written);
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data += written;
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length -= written;
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}
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return CAIRO_STATUS_SUCCESS;
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}
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static cairo_surface_t *
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file_printer_create_cairo_surface (GtkPrinter *printer,
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GtkPrintSettings *settings,
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double width,
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double height,
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GIOChannel *cache_io)
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{
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cairo_surface_t *surface;
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OutputFormat format;
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const cairo_svg_version_t *versions;
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int num_versions = 0;
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format = format_from_settings (settings);
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switch (format)
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{
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default:
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case N_FORMATS:
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case FORMAT_PDF:
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surface = cairo_pdf_surface_create_for_stream (_cairo_write, cache_io, width, height);
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break;
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case FORMAT_PS:
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surface = cairo_ps_surface_create_for_stream (_cairo_write, cache_io, width, height);
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break;
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case FORMAT_SVG:
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surface = cairo_svg_surface_create_for_stream (_cairo_write, cache_io, width, height);
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cairo_svg_get_versions (&versions, &num_versions);
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if (num_versions > 0)
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cairo_svg_surface_restrict_to_version (surface, versions[num_versions - 1]);
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break;
|
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}
|
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cairo_surface_set_fallback_resolution (surface,
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2.0 * gtk_print_settings_get_printer_lpi (settings),
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2.0 * gtk_print_settings_get_printer_lpi (settings));
|
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|
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return surface;
|
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|
}
|
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|
|
||
|
typedef struct {
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GtkPrintBackend *backend;
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GtkPrintJobCompleteFunc callback;
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GtkPrintJob *job;
|
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GFileOutputStream *target_io_stream;
|
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gpointer user_data;
|
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|
GDestroyNotify dnotify;
|
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} _PrintStreamData;
|
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|
|
||
|
static void
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file_print_cb (GtkPrintBackendFile *print_backend,
|
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|
GError *error,
|
||
|
gpointer user_data)
|
||
|
{
|
||
|
char *uri;
|
||
|
|
||
|
_PrintStreamData *ps = (_PrintStreamData *) user_data;
|
||
|
GtkRecentManager *recent_manager;
|
||
|
|
||
|
if (ps->target_io_stream != NULL)
|
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|
(void)g_output_stream_close (G_OUTPUT_STREAM (ps->target_io_stream), NULL, NULL);
|
||
|
|
||
|
if (ps->callback)
|
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|
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)
|
||
|
{
|
||
|
char 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_DEBUG (PRINTING, "FILE Backend: %s", error->message);
|
||
|
|
||
|
g_error_free (error);
|
||
|
}
|
||
|
|
||
|
return FALSE;
|
||
|
}
|
||
|
|
||
|
GTK_DEBUG (PRINTING, "FILE Backend: Writing %"G_GSIZE_FORMAT" byte chunk to target file", 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;
|
||
|
char *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 char *value;
|
||
|
int 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;
|
||
|
char *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 char *uri = uri_option->value;
|
||
|
const char *dot = strrchr (uri, '.');
|
||
|
|
||
|
if (dot)
|
||
|
{
|
||
|
int 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)
|
||
|
{
|
||
|
char *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 char *n_up[] = {"1", "2", "4", "6", "9", "16" };
|
||
|
const char *pages_per_sheet = NULL;
|
||
|
const char *format_names[N_FORMATS] = { N_("PDF"), N_("PostScript"), N_("SVG") };
|
||
|
const char *supported_formats[N_FORMATS];
|
||
|
const char *display_format_names[N_FORMATS];
|
||
|
int n_formats = 0;
|
||
|
OutputFormat format;
|
||
|
char *uri;
|
||
|
int 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),
|
||
|
n_up, 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 N_FORMATS:
|
||
|
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,
|
||
|
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)
|
||
|
{
|
||
|
double scale;
|
||
|
GtkPrintPages pages;
|
||
|
GtkPageRange *ranges;
|
||
|
int 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:
|
||
|
case N_FORMATS:
|
||
|
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;
|
||
|
}
|