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-rw-r--r--app/dialogs/scale-dialog.c311
1 files changed, 311 insertions, 0 deletions
diff --git a/app/dialogs/scale-dialog.c b/app/dialogs/scale-dialog.c
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index 0000000..8c4b6da
--- /dev/null
+++ b/app/dialogs/scale-dialog.c
@@ -0,0 +1,311 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <gegl.h>
+#include <gtk/gtk.h>
+
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "dialogs-types.h"
+
+#include "core/gimpcontext.h"
+#include "core/gimpimage.h"
+#include "core/gimpitem.h"
+
+#include "widgets/gimphelp-ids.h"
+#include "widgets/gimpmessagebox.h"
+#include "widgets/gimpsizebox.h"
+#include "widgets/gimpviewabledialog.h"
+
+#include "scale-dialog.h"
+
+#include "gimp-intl.h"
+
+
+#define RESPONSE_RESET 1
+
+typedef struct _ScaleDialog ScaleDialog;
+
+struct _ScaleDialog
+{
+ GimpViewable *viewable;
+ GimpUnit unit;
+ GimpInterpolationType interpolation;
+ GtkWidget *box;
+ GtkWidget *combo;
+ GimpScaleCallback callback;
+ gpointer user_data;
+};
+
+
+/* local function prototypes */
+
+static void scale_dialog_free (ScaleDialog *private);
+static void scale_dialog_response (GtkWidget *dialog,
+ gint response_id,
+ ScaleDialog *private);
+static void scale_dialog_reset (ScaleDialog *private);
+
+
+/* public function */
+
+GtkWidget *
+scale_dialog_new (GimpViewable *viewable,
+ GimpContext *context,
+ const gchar *title,
+ const gchar *role,
+ GtkWidget *parent,
+ GimpHelpFunc help_func,
+ const gchar *help_id,
+ GimpUnit unit,
+ GimpInterpolationType interpolation,
+ GimpScaleCallback callback,
+ gpointer user_data)
+{
+ GtkWidget *dialog;
+ GtkWidget *vbox;
+ GtkWidget *hbox;
+ GtkWidget *frame;
+ GtkWidget *label;
+ ScaleDialog *private;
+ GimpImage *image = NULL;
+ const gchar *text = NULL;
+ gint width, height;
+ gdouble xres, yres;
+
+ g_return_val_if_fail (GIMP_IS_VIEWABLE (viewable), NULL);
+ g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
+ g_return_val_if_fail (callback != NULL, NULL);
+
+ if (GIMP_IS_IMAGE (viewable))
+ {
+ image = GIMP_IMAGE (viewable);
+
+ width = gimp_image_get_width (image);
+ height = gimp_image_get_height (image);
+
+ text = _("Image Size");
+ }
+ else if (GIMP_IS_ITEM (viewable))
+ {
+ GimpItem *item = GIMP_ITEM (viewable);
+
+ image = gimp_item_get_image (item);
+
+ width = gimp_item_get_width (item);
+ height = gimp_item_get_height (item);
+
+ text = _("Layer Size");
+ }
+ else
+ {
+ g_return_val_if_reached (NULL);
+ }
+
+ private = g_slice_new0 (ScaleDialog);
+
+ private->viewable = viewable;
+ private->interpolation = interpolation;
+ private->unit = unit;
+ private->callback = callback;
+ private->user_data = user_data;
+
+ gimp_image_get_resolution (image, &xres, &yres);
+
+ dialog = gimp_viewable_dialog_new (viewable, context,
+ title, role, GIMP_ICON_OBJECT_SCALE, title,
+ parent,
+ help_func, help_id,
+
+ _("_Reset"), RESPONSE_RESET,
+ _("_Cancel"), GTK_RESPONSE_CANCEL,
+ _("_Scale"), GTK_RESPONSE_OK,
+
+ NULL);
+
+ gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
+ RESPONSE_RESET,
+ GTK_RESPONSE_OK,
+ GTK_RESPONSE_CANCEL,
+ -1);
+
+ gtk_window_set_resizable (GTK_WINDOW (dialog), FALSE);
+
+ g_object_weak_ref (G_OBJECT (dialog),
+ (GWeakNotify) scale_dialog_free, private);
+
+ g_signal_connect (dialog, "response",
+ G_CALLBACK (scale_dialog_response),
+ private);
+
+ private->box = g_object_new (GIMP_TYPE_SIZE_BOX,
+ "width", width,
+ "height", height,
+ "unit", unit,
+ "xresolution", xres,
+ "yresolution", yres,
+ "resolution-unit", gimp_image_get_unit (image),
+ "keep-aspect", TRUE,
+ "edit-resolution", GIMP_IS_IMAGE (viewable),
+ NULL);
+
+ vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
+ gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
+ gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
+ vbox, TRUE, TRUE, 0);
+ gtk_widget_show (vbox);
+
+ frame = gimp_frame_new (text);
+ gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
+ gtk_widget_show (frame);
+
+ gtk_container_add (GTK_CONTAINER (frame), private->box);
+ gtk_widget_show (private->box);
+
+ frame = gimp_frame_new (_("Quality"));
+ gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
+ gtk_widget_show (frame);
+
+ vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
+ gtk_container_add (GTK_CONTAINER (frame), vbox);
+ gtk_widget_show (vbox);
+
+ hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
+ gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
+ gtk_widget_show (hbox);
+
+ label = gtk_label_new_with_mnemonic (_("I_nterpolation:"));
+ gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
+ gtk_widget_show (label);
+
+ gtk_size_group_add_widget (GIMP_SIZE_BOX (private->box)->size_group, label);
+
+ private->combo = gimp_enum_combo_box_new (GIMP_TYPE_INTERPOLATION_TYPE);
+ gtk_label_set_mnemonic_widget (GTK_LABEL (label), private->combo);
+ gtk_box_pack_start (GTK_BOX (hbox), private->combo, TRUE, TRUE, 0);
+ gtk_widget_show (private->combo);
+
+ gimp_int_combo_box_set_active (GIMP_INT_COMBO_BOX (private->combo),
+ private->interpolation);
+
+ return dialog;
+}
+
+
+/* private functions */
+
+static void
+scale_dialog_free (ScaleDialog *private)
+{
+ g_slice_free (ScaleDialog, private);
+}
+
+static void
+scale_dialog_response (GtkWidget *dialog,
+ gint response_id,
+ ScaleDialog *private)
+{
+ GimpUnit unit = private->unit;
+ gint interpolation = private->interpolation;
+ GimpUnit resolution_unit;
+ gint width, height;
+ gdouble xres, yres;
+
+ switch (response_id)
+ {
+ case RESPONSE_RESET:
+ scale_dialog_reset (private);
+ break;
+
+ case GTK_RESPONSE_OK:
+ g_object_get (private->box,
+ "width", &width,
+ "height", &height,
+ "unit", &unit,
+ "xresolution", &xres,
+ "yresolution", &yres,
+ "resolution-unit", &resolution_unit,
+ NULL);
+
+ gimp_int_combo_box_get_active (GIMP_INT_COMBO_BOX (private->combo),
+ &interpolation);
+
+ private->callback (dialog,
+ private->viewable,
+ width, height, unit, interpolation,
+ xres, yres, resolution_unit,
+ private->user_data);
+ break;
+
+ default:
+ gtk_widget_destroy (dialog);
+ break;
+ }
+}
+
+static void
+scale_dialog_reset (ScaleDialog *private)
+{
+ GimpImage *image;
+ gint width, height;
+ gdouble xres, yres;
+
+ if (GIMP_IS_IMAGE (private->viewable))
+ {
+ image = GIMP_IMAGE (private->viewable);
+
+ width = gimp_image_get_width (image);
+ height = gimp_image_get_height (image);
+ }
+ else if (GIMP_IS_ITEM (private->viewable))
+ {
+ GimpItem *item = GIMP_ITEM (private->viewable);
+
+ image = gimp_item_get_image (item);
+
+ width = gimp_item_get_width (item);
+ height = gimp_item_get_height (item);
+ }
+ else
+ {
+ g_return_if_reached ();
+ }
+
+ gimp_image_get_resolution (image, &xres, &yres);
+
+ g_object_set (private->box,
+ "keep-aspect", FALSE,
+ NULL);
+
+ g_object_set (private->box,
+ "width", width,
+ "height", height,
+ "unit", private->unit,
+ NULL);
+
+ g_object_set (private->box,
+ "keep-aspect", TRUE,
+ "xresolution", xres,
+ "yresolution", yres,
+ "resolution-unit", gimp_image_get_unit (image),
+ NULL);
+
+ gimp_int_combo_box_set_active (GIMP_INT_COMBO_BOX (private->combo),
+ private->interpolation);
+}
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