316 lines
9.6 KiB
C
316 lines
9.6 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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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 <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 <gtk/gtk.h>
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#include "libpikawidgets/pikawidgets.h"
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#include "dialogs-types.h"
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#include "core/pikacontext.h"
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#include "core/pikaimage.h"
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#include "core/pikaitem.h"
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#include "widgets/pikahelp-ids.h"
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#include "widgets/pikamessagebox.h"
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#include "widgets/pikasizebox.h"
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#include "widgets/pikaviewabledialog.h"
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#include "scale-dialog.h"
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#include "pika-intl.h"
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#define RESPONSE_RESET 1
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typedef struct _ScaleDialog ScaleDialog;
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struct _ScaleDialog
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{
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PikaViewable *viewable;
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PikaUnit unit;
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PikaInterpolationType interpolation;
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GtkWidget *box;
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GtkWidget *combo;
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PikaScaleCallback callback;
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gpointer user_data;
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};
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/* local function prototypes */
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static void scale_dialog_free (ScaleDialog *private);
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static void scale_dialog_response (GtkWidget *dialog,
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gint response_id,
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ScaleDialog *private);
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static void scale_dialog_reset (ScaleDialog *private);
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/* public function */
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GtkWidget *
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scale_dialog_new (PikaViewable *viewable,
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PikaContext *context,
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const gchar *title,
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const gchar *role,
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GtkWidget *parent,
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PikaHelpFunc help_func,
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const gchar *help_id,
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PikaUnit unit,
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PikaInterpolationType interpolation,
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PikaScaleCallback callback,
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gpointer user_data)
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{
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GtkWidget *dialog;
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GtkWidget *vbox;
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GtkWidget *hbox;
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GtkWidget *frame;
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GtkWidget *label;
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ScaleDialog *private;
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PikaImage *image = NULL;
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const gchar *text = NULL;
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gint width, height;
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gdouble xres, yres;
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g_return_val_if_fail (PIKA_IS_VIEWABLE (viewable), NULL);
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g_return_val_if_fail (PIKA_IS_CONTEXT (context), NULL);
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g_return_val_if_fail (callback != NULL, NULL);
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if (PIKA_IS_IMAGE (viewable))
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{
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image = PIKA_IMAGE (viewable);
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width = pika_image_get_width (image);
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height = pika_image_get_height (image);
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text = _("Image Size");
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}
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else if (PIKA_IS_ITEM (viewable))
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{
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PikaItem *item = PIKA_ITEM (viewable);
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image = pika_item_get_image (item);
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width = pika_item_get_width (item);
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height = pika_item_get_height (item);
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text = _("Layer Size");
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}
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else
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{
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g_return_val_if_reached (NULL);
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}
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private = g_slice_new0 (ScaleDialog);
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private->viewable = viewable;
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private->interpolation = interpolation;
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private->unit = unit;
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private->callback = callback;
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private->user_data = user_data;
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pika_image_get_resolution (image, &xres, &yres);
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dialog = pika_viewable_dialog_new (g_list_prepend (NULL, viewable), context,
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title, role, PIKA_ICON_OBJECT_SCALE, title,
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parent,
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help_func, help_id,
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_("_Reset"), RESPONSE_RESET,
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_("_Cancel"), GTK_RESPONSE_CANCEL,
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_("_Scale"), GTK_RESPONSE_OK,
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NULL);
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pika_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
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RESPONSE_RESET,
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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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g_object_weak_ref (G_OBJECT (dialog),
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(GWeakNotify) scale_dialog_free, private);
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g_signal_connect (dialog, "response",
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G_CALLBACK (scale_dialog_response),
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private);
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private->box = g_object_new (PIKA_TYPE_SIZE_BOX,
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"width", width,
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"height", height,
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"unit", unit,
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"xresolution", xres,
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"yresolution", yres,
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"resolution-unit", pika_image_get_unit (image),
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"keep-aspect", TRUE,
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"edit-resolution", PIKA_IS_IMAGE (viewable),
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NULL);
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vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
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gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
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gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
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vbox, TRUE, TRUE, 0);
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gtk_widget_show (vbox);
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frame = pika_frame_new (text);
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gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
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gtk_widget_show (frame);
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gtk_container_add (GTK_CONTAINER (frame), private->box);
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gtk_widget_show (private->box);
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frame = pika_frame_new (_("Quality"));
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gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
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gtk_widget_show (frame);
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vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
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gtk_container_add (GTK_CONTAINER (frame), vbox);
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gtk_widget_show (vbox);
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hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
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gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
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gtk_widget_show (hbox);
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label = gtk_label_new_with_mnemonic (_("I_nterpolation:"));
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gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
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gtk_widget_show (label);
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gtk_size_group_add_widget (PIKA_SIZE_BOX (private->box)->size_group, label);
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private->combo = pika_enum_combo_box_new (PIKA_TYPE_INTERPOLATION_TYPE);
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gtk_label_set_mnemonic_widget (GTK_LABEL (label), private->combo);
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gtk_box_pack_start (GTK_BOX (hbox), private->combo, TRUE, TRUE, 0);
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gtk_widget_show (private->combo);
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pika_int_combo_box_set_active (PIKA_INT_COMBO_BOX (private->combo),
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private->interpolation);
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return dialog;
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}
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/* private functions */
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static void
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scale_dialog_free (ScaleDialog *private)
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{
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g_slice_free (ScaleDialog, private);
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}
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static void
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scale_dialog_response (GtkWidget *dialog,
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gint response_id,
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ScaleDialog *private)
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{
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PikaUnit unit = private->unit;
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gint interpolation = private->interpolation;
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PikaUnit resolution_unit;
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gint width, height;
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gdouble xres, yres;
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switch (response_id)
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{
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case RESPONSE_RESET:
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scale_dialog_reset (private);
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break;
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case GTK_RESPONSE_OK:
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g_object_get (private->box,
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"width", &width,
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"height", &height,
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"unit", &unit,
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"xresolution", &xres,
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"yresolution", &yres,
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"resolution-unit", &resolution_unit,
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NULL);
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pika_int_combo_box_get_active (PIKA_INT_COMBO_BOX (private->combo),
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&interpolation);
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private->callback (dialog,
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private->viewable,
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width, height, unit, interpolation,
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xres, yres, resolution_unit,
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private->user_data);
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break;
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default:
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gtk_widget_destroy (dialog);
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break;
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}
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}
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static void
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scale_dialog_reset (ScaleDialog *private)
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{
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PikaImage *image;
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gint width, height;
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gdouble xres, yres;
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if (PIKA_IS_IMAGE (private->viewable))
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{
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image = PIKA_IMAGE (private->viewable);
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width = pika_image_get_width (image);
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height = pika_image_get_height (image);
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}
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else if (PIKA_IS_ITEM (private->viewable))
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{
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PikaItem *item = PIKA_ITEM (private->viewable);
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image = pika_item_get_image (item);
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width = pika_item_get_width (item);
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height = pika_item_get_height (item);
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}
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else
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{
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g_return_if_reached ();
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}
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pika_image_get_resolution (image, &xres, &yres);
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g_object_set (private->box,
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"keep-aspect", FALSE,
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NULL);
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g_object_set (private->box,
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"width", width,
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"height", height,
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"unit", private->unit,
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NULL);
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g_object_set (private->box,
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"keep-aspect", TRUE,
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"xresolution", xres,
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"yresolution", yres,
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"resolution-unit", pika_image_get_unit (image),
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NULL);
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pika_int_combo_box_set_active (PIKA_INT_COMBO_BOX (private->combo),
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private->interpolation);
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}
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