mirror of https://github.com/GNOME/gimp.git
293 lines
10 KiB
C
293 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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* metadata-rotation-import-dialog.h
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* Copyright (C) 2020 Jehan
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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 <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gegl.h>
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#include <gexiv2/gexiv2.h>
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#include <gtk/gtk.h>
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#include "libgimpbase/gimpbase.h"
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#include "libgimpwidgets/gimpwidgets.h"
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#include "dialogs-types.h"
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#include "core/gimp.h"
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#include "core/gimpcontext.h"
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#include "core/gimpimage.h"
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#include "core/gimpimage-metadata.h"
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#include "core/gimppickable.h"
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#include "widgets/gimphelp-ids.h"
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#include "widgets/gimpviewabledialog.h"
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#include "metadata-rotation-import-dialog.h"
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#include "gimp-intl.h"
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static GimpMetadataRotationPolicy gimp_image_metadata_rotate_dialog (GimpImage *image,
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GimpContext *context,
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GtkWidget *parent,
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GExiv2Orientation orientation,
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gboolean *dont_ask);
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static GdkPixbuf * gimp_image_metadata_rotate_pixbuf (GdkPixbuf *pixbuf,
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GExiv2Orientation orientation);
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/* public functions */
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GimpMetadataRotationPolicy
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metadata_rotation_import_dialog_run (GimpImage *image,
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GimpContext *context,
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GtkWidget *parent,
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gboolean *dont_ask)
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{
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GimpMetadata *metadata;
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GExiv2Orientation orientation;
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metadata = gimp_image_get_metadata (image);
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orientation = gexiv2_metadata_try_get_orientation (GEXIV2_METADATA (metadata), NULL);
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if (orientation <= GEXIV2_ORIENTATION_NORMAL ||
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orientation > GEXIV2_ORIENTATION_MAX)
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return GIMP_METADATA_ROTATION_POLICY_KEEP;
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return gimp_image_metadata_rotate_dialog (image, context, parent,
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orientation, dont_ask);
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}
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static GimpMetadataRotationPolicy
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gimp_image_metadata_rotate_dialog (GimpImage *image,
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GimpContext *context,
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GtkWidget *parent,
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GExiv2Orientation orientation,
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gboolean *dont_ask)
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{
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GtkWidget *dialog;
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GtkWidget *main_vbox;
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GtkWidget *vbox;
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GtkWidget *label;
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GtkWidget *toggle;
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gchar *text;
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GdkPixbuf *pixbuf;
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gint width;
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gint scale_factor;
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gint height;
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gint response;
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dialog =
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gimp_viewable_dialog_new (g_list_prepend (NULL, image), context,
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_("Rotate Image?"),
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"gimp-metadata-rotate-dialog",
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GIMP_ICON_OBJECT_ROTATE_180,
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_("Apply metadata rotation"),
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parent,
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gimp_standard_help_func,
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GIMP_HELP_IMAGE_METADATA_ROTATION_IMPORT,
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_("_Keep Original"), GTK_RESPONSE_CANCEL,
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_("_Rotate"), GTK_RESPONSE_OK,
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NULL);
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gimp_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
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GTK_RESPONSE_OK,
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GTK_RESPONSE_CANCEL,
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-1);
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gtk_window_set_resizable (GTK_WINDOW (dialog), FALSE);
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main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
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gtk_container_set_border_width (GTK_CONTAINER (main_vbox), 12);
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gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
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main_vbox, FALSE, FALSE, 0);
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gtk_widget_show (main_vbox);
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text = g_strdup_printf (_("The image '%s' contains Exif orientation "
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"metadata"),
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gimp_image_get_display_name (image));
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label = g_object_new (GTK_TYPE_LABEL,
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"label", text,
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"wrap", TRUE,
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"justify", GTK_JUSTIFY_LEFT,
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"xalign", 0.0,
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"yalign", 0.5,
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NULL);
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g_free (text);
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gimp_label_set_attributes (GTK_LABEL (label),
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PANGO_ATTR_WEIGHT, PANGO_WEIGHT_BOLD,
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-1);
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gtk_box_pack_start (GTK_BOX (main_vbox), label, FALSE, FALSE, 0);
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gtk_widget_show (label);
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scale_factor = gtk_widget_get_scale_factor (main_vbox);
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width = gimp_image_get_width (image);
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height = gimp_image_get_height (image);
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#define MAX_THUMBNAIL_SIZE (128 * scale_factor)
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if (width > MAX_THUMBNAIL_SIZE || height > MAX_THUMBNAIL_SIZE)
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{
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/* Adjust the width/height ratio to a maximum size (relative to
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* current display scale factor.
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*/
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if (width > height)
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{
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height = MAX_THUMBNAIL_SIZE * height / width;
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width = MAX_THUMBNAIL_SIZE;
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}
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else
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{
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width = MAX_THUMBNAIL_SIZE * width / height;
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height = MAX_THUMBNAIL_SIZE;
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}
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}
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gimp_pickable_flush (GIMP_PICKABLE (image));
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pixbuf = gimp_viewable_get_pixbuf (GIMP_VIEWABLE (image), context,
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width, height);
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if (pixbuf)
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{
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GdkPixbuf *rotated;
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GtkWidget *hbox;
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GtkWidget *image;
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hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 12);
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gtk_box_set_homogeneous (GTK_BOX (hbox), TRUE);
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gtk_box_pack_start (GTK_BOX (main_vbox), hbox, FALSE, FALSE, 0);
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gtk_widget_show (hbox);
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vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
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gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0);
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gtk_widget_show (vbox);
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label = gtk_label_new (_("Original"));
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gtk_label_set_ellipsize (GTK_LABEL (label), PANGO_ELLIPSIZE_MIDDLE);
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gimp_label_set_attributes (GTK_LABEL (label),
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PANGO_ATTR_STYLE, PANGO_STYLE_ITALIC,
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-1);
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gtk_box_pack_end (GTK_BOX (vbox), label, FALSE, FALSE, 0);
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gtk_widget_show (label);
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image = gtk_image_new_from_pixbuf (pixbuf);
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gtk_box_pack_end (GTK_BOX (vbox), image, FALSE, FALSE, 0);
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gtk_widget_show (image);
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vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
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gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0);
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gtk_widget_show (vbox);
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label = gtk_label_new (_("Rotated"));
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gimp_label_set_attributes (GTK_LABEL (label),
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PANGO_ATTR_STYLE, PANGO_STYLE_ITALIC,
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-1);
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gtk_box_pack_end (GTK_BOX (vbox), label, FALSE, FALSE, 0);
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gtk_widget_show (label);
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rotated = gimp_image_metadata_rotate_pixbuf (pixbuf, orientation);
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image = gtk_image_new_from_pixbuf (rotated);
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g_object_unref (rotated);
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gtk_box_pack_end (GTK_BOX (vbox), image, FALSE, FALSE, 0);
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gtk_widget_show (image);
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}
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label = g_object_new (GTK_TYPE_LABEL,
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"label", _("Would you like to rotate the image?"),
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"wrap", TRUE,
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"justify", GTK_JUSTIFY_LEFT,
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"xalign", 0.0,
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"yalign", 0.5,
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NULL);
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gimp_label_set_attributes (GTK_LABEL (label),
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PANGO_ATTR_WEIGHT, PANGO_WEIGHT_BOLD,
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-1);
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gtk_box_pack_start (GTK_BOX (main_vbox), label, FALSE, FALSE, 0);
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gtk_widget_show (label);
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toggle = gtk_check_button_new_with_mnemonic (_("_Don't ask me again"));
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gtk_box_pack_end (GTK_BOX (main_vbox), toggle, FALSE, FALSE, 0);
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), FALSE);
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gtk_widget_show (toggle);
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response = gimp_dialog_run (GIMP_DIALOG (dialog));
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*dont_ask = (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (toggle)));
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gtk_widget_destroy (dialog);
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return (response == GTK_RESPONSE_OK) ?
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GIMP_METADATA_ROTATION_POLICY_ROTATE : GIMP_COLOR_PROFILE_POLICY_KEEP;
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}
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static GdkPixbuf *
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gimp_image_metadata_rotate_pixbuf (GdkPixbuf *pixbuf,
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GExiv2Orientation orientation)
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{
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GdkPixbuf *rotated = NULL;
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GdkPixbuf *temp;
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switch (orientation)
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{
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case GEXIV2_ORIENTATION_UNSPECIFIED:
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case GEXIV2_ORIENTATION_NORMAL: /* standard orientation, do nothing */
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rotated = g_object_ref (pixbuf);
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break;
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case GEXIV2_ORIENTATION_HFLIP:
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rotated = gdk_pixbuf_flip (pixbuf, TRUE);
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break;
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case GEXIV2_ORIENTATION_ROT_180:
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rotated = gdk_pixbuf_rotate_simple (pixbuf, GDK_PIXBUF_ROTATE_UPSIDEDOWN);
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break;
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case GEXIV2_ORIENTATION_VFLIP:
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rotated = gdk_pixbuf_flip (pixbuf, FALSE);
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break;
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case GEXIV2_ORIENTATION_ROT_90_HFLIP: /* flipped diagonally around '\' */
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temp = gdk_pixbuf_rotate_simple (pixbuf, GDK_PIXBUF_ROTATE_CLOCKWISE);
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rotated = gdk_pixbuf_flip (temp, TRUE);
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g_object_unref (temp);
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break;
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case GEXIV2_ORIENTATION_ROT_90: /* 90 CW */
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rotated = gdk_pixbuf_rotate_simple (pixbuf, GDK_PIXBUF_ROTATE_CLOCKWISE);
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break;
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case GEXIV2_ORIENTATION_ROT_90_VFLIP: /* flipped diagonally around '/' */
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temp = gdk_pixbuf_rotate_simple (pixbuf, GDK_PIXBUF_ROTATE_CLOCKWISE);
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rotated = gdk_pixbuf_flip (temp, FALSE);
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g_object_unref (temp);
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break;
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case GEXIV2_ORIENTATION_ROT_270: /* 90 CCW */
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rotated = gdk_pixbuf_rotate_simple (pixbuf, GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE);
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break;
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default: /* shouldn't happen */
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break;
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}
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return rotated;
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}
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