0cdca57d12
Also take into account the case when the minimum possible print
resolution is higher than the expected image resolution. We don't want
to remember the print resolution if it is this lower value either.
See commit 7335dc8.
321 lines
10 KiB
C
321 lines
10 KiB
C
/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <libgimp/gimp.h>
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#include <libgimp/gimpui.h>
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#include "print.h"
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#include "print-settings.h"
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#include "print-utils.h"
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#define PRINT_SETTINGS_MAJOR_VERSION 0
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#define PRINT_SETTINGS_MINOR_VERSION 4
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#define PRINT_SETTINGS_NAME "print-settings"
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static GKeyFile * print_settings_key_file_from_settings (PrintData *data);
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static void print_settings_add_to_key_file (const gchar *key,
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const gchar *value,
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gpointer data);
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static GKeyFile * print_settings_key_file_from_resource_file (void);
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static GKeyFile * print_settings_key_file_from_parasite (gint32 image_ID);
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static gboolean print_settings_load_from_key_file (PrintData *data,
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GKeyFile *key_file);
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static gboolean print_settings_check_version (GKeyFile *key_file);
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/*
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* set GtkPrintSettings from the contents of a "print-settings"
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* image parasite, or, if none exists, from a resource
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* file of the same name
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*/
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gboolean
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print_settings_load (PrintData *data)
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{
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GKeyFile *key_file = print_settings_key_file_from_parasite (data->image_id);
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if (! key_file)
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key_file = print_settings_key_file_from_resource_file ();
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if (key_file)
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{
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print_settings_load_from_key_file (data, key_file);
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g_key_file_free (key_file);
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return TRUE;
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}
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return FALSE;
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}
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/*
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* save all settings as a resource file "print-settings"
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* and as an image parasite
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*/
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void
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print_settings_save (PrintData *data)
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{
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GKeyFile *key_file = print_settings_key_file_from_settings (data);
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/* image setup */
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if (gimp_image_is_valid (data->image_id))
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{
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gdouble xres;
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gdouble yres;
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gimp_image_get_resolution (data->image_id, &xres, &yres);
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g_key_file_set_integer (key_file, "image-setup",
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"unit", data->unit);
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/* Do not save the print resolution when it is the expected image
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* resolution so that changing it (i.e. in "print size" dialog)
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* is not overrided by any previous prints.
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*/
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if ((data->min_xres <= xres && ABS (xres - data->xres) > 0.1) ||
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(data->min_yres <= yres && ABS (yres - data->yres) > 0.1) ||
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(data->min_xres > xres && ABS (data->min_xres - data->xres) > 0.1) ||
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(data->min_yres > yres && ABS (data->min_yres - data->yres) > 0.1))
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{
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g_key_file_set_double (key_file, "image-setup",
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"x-resolution", data->xres);
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g_key_file_set_double (key_file, "image-setup",
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"y-resolution", data->yres);
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}
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g_key_file_set_double (key_file, "image-setup",
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"x-offset", data->offset_x);
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g_key_file_set_double (key_file, "image-setup",
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"y-offset", data->offset_y);
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g_key_file_set_integer (key_file, "image-setup",
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"center-mode", data->center);
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g_key_file_set_boolean (key_file, "image-setup",
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"use-full-page", data->use_full_page);
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g_key_file_set_boolean (key_file, "image-setup",
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"crop-marks", data->draw_crop_marks);
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print_utils_key_file_save_as_parasite (key_file,
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data->image_id,
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PRINT_SETTINGS_NAME);
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}
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/* some settings shouldn't be made persistent on a global level,
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* so they are only stored in the image, not in the rcfile
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*/
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g_key_file_remove_key (key_file, "image-setup", "x-resolution", NULL);
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g_key_file_remove_key (key_file, "image-setup", "y-resolution", NULL);
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g_key_file_remove_key (key_file, "image-setup", "x-offset", NULL);
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g_key_file_remove_key (key_file, "image-setup", "y-offset", NULL);
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g_key_file_remove_key (key_file, PRINT_SETTINGS_NAME, "n-copies", NULL);
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print_utils_key_file_save_as_rcfile (key_file, PRINT_SETTINGS_NAME);
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g_key_file_free (key_file);
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}
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/*
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* serialize print settings into a GKeyFile
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*/
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static GKeyFile *
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print_settings_key_file_from_settings (PrintData *data)
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{
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GtkPrintOperation *operation = data->operation;
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GtkPrintSettings *settings;
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GKeyFile *key_file = g_key_file_new ();
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/* put version information into the file */
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g_key_file_set_integer (key_file, "meta", "major-version",
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PRINT_SETTINGS_MAJOR_VERSION);
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g_key_file_set_integer (key_file, "meta", "minor-version",
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PRINT_SETTINGS_MINOR_VERSION);
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/* save the contents of the GtkPrintSettings for the operation */
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settings = gtk_print_operation_get_print_settings (operation);
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if (settings)
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gtk_print_settings_foreach (settings,
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print_settings_add_to_key_file, key_file);
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return key_file;
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}
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/*
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* callback used in gtk_print_settings_foreach loop
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*/
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static void
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print_settings_add_to_key_file (const gchar *key,
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const gchar *value,
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gpointer data)
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{
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GKeyFile *key_file = data;
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g_key_file_set_value (key_file, PRINT_SETTINGS_NAME, key, value);
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}
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/*
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* deserialize a "print-settings" resource file into a GKeyFile
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*/
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static GKeyFile *
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print_settings_key_file_from_resource_file (void)
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{
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GKeyFile *key_file;
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key_file = print_utils_key_file_load_from_rcfile (PRINT_SETTINGS_NAME);
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if (key_file && ! print_settings_check_version (key_file))
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{
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g_key_file_free (key_file);
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return NULL;
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}
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return key_file;
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}
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/* load information from an image parasite called "print-settings"
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* return a GKeyFile containing the information if a valid parasite is found,
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* NULL otherwise
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*/
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static GKeyFile *
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print_settings_key_file_from_parasite (gint32 image_ID)
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{
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GKeyFile *key_file;
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key_file = print_utils_key_file_load_from_parasite (image_ID,
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PRINT_SETTINGS_NAME);
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if (key_file && ! print_settings_check_version (key_file))
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{
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g_key_file_free (key_file);
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return NULL;
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}
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return key_file;
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}
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static gboolean
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print_settings_load_from_key_file (PrintData *data,
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GKeyFile *key_file)
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{
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GtkPrintOperation *operation = data->operation;
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GtkPrintSettings *settings;
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gchar **keys;
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gsize n_keys;
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gint i;
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settings = gtk_print_operation_get_print_settings (operation);
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if (! settings)
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settings = gtk_print_settings_new ();
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keys = g_key_file_get_keys (key_file, PRINT_SETTINGS_NAME, &n_keys, NULL);
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if (! keys)
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return FALSE;
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for (i = 0; i < n_keys; i++)
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{
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gchar *value;
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value = g_key_file_get_value (key_file,
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PRINT_SETTINGS_NAME, keys[i], NULL);
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if (value)
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{
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gtk_print_settings_set (settings, keys[i], value);
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g_free (value);
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}
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}
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g_strfreev (keys);
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if (g_key_file_has_key (key_file, "image-setup", "unit", NULL))
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{
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data->unit = g_key_file_get_integer (key_file, "image-setup",
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"unit", NULL);
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}
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if (g_key_file_has_key (key_file, "image-setup", "x-resolution", NULL) &&
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g_key_file_has_key (key_file, "image-setup", "y-resolution", NULL))
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{
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data->xres = g_key_file_get_double (key_file, "image-setup",
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"x-resolution", NULL);
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data->yres = g_key_file_get_double (key_file, "image-setup",
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"y-resolution", NULL);
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}
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if (g_key_file_has_key (key_file, "image-setup", "x-offset", NULL) &&
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g_key_file_has_key (key_file, "image-setup", "y-offset", NULL))
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{
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data->offset_x = g_key_file_get_double (key_file, "image-setup",
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"x-offset", NULL);
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data->offset_y = g_key_file_get_double (key_file, "image-setup",
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"y-offset", NULL);
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}
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if (g_key_file_has_key (key_file, "image-setup", "center-mode", NULL))
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{
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data->center = g_key_file_get_integer (key_file, "image-setup",
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"center-mode", NULL);
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}
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if (g_key_file_has_key (key_file, "image-setup", "use-full-page", NULL))
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{
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data->use_full_page = g_key_file_get_boolean (key_file, "image-setup",
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"use-full-page", NULL);
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}
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if (g_key_file_has_key (key_file, "image-setup", "crop-marks", NULL))
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{
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data->draw_crop_marks = g_key_file_get_boolean (key_file, "image-setup",
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"crop-marks", NULL);
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}
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gtk_print_operation_set_print_settings (operation, settings);
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return TRUE;
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}
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static gboolean
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print_settings_check_version (GKeyFile *key_file)
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{
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gint major_version;
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gint minor_version;
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if (! g_key_file_has_group (key_file, "meta"))
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return FALSE;
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major_version = g_key_file_get_integer (key_file,
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"meta", "major-version", NULL);
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if (major_version != PRINT_SETTINGS_MAJOR_VERSION)
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return FALSE;
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minor_version = g_key_file_get_integer (key_file,
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"meta", "minor-version", NULL);
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if (minor_version != PRINT_SETTINGS_MINOR_VERSION)
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return FALSE;
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return TRUE;
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}
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