296 lines
10 KiB
C
296 lines
10 KiB
C
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/* 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 <string.h>
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#include <gegl.h>
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#include <gtk/gtk.h>
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#include "libpikabase/pikabase.h"
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#include "libpikawidgets/pikawidgets.h"
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#include "dialogs-types.h"
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#include "config/pikaguiconfig.h"
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#include "core/pika.h"
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#include "core/pikacontext.h"
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#include "core/pikaimage.h"
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#include "core/pikaimage-scale.h"
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#include "widgets/pikahelp-ids.h"
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#include "widgets/pikamessagebox.h"
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#include "widgets/pikamessagedialog.h"
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#include "scale-dialog.h"
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#include "image-scale-dialog.h"
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#include "pika-intl.h"
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typedef struct
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{
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GtkWidget *dialog;
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PikaImage *image;
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gint width;
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gint height;
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PikaUnit unit;
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PikaInterpolationType interpolation;
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gdouble xresolution;
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gdouble yresolution;
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PikaUnit resolution_unit;
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PikaScaleCallback callback;
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gpointer user_data;
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} ImageScaleDialog;
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/* local function prototypes */
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static void image_scale_dialog_free (ImageScaleDialog *private);
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static void image_scale_callback (GtkWidget *widget,
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PikaViewable *viewable,
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gint width,
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gint height,
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PikaUnit unit,
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PikaInterpolationType interpolation,
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gdouble xresolution,
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gdouble yresolution,
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PikaUnit resolution_unit,
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gpointer data);
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static GtkWidget * image_scale_confirm_dialog (ImageScaleDialog *private);
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static void image_scale_confirm_large (ImageScaleDialog *private,
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gint64 new_memsize,
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gint64 max_memsize);
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static void image_scale_confirm_small (ImageScaleDialog *private);
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static void image_scale_confirm_response (GtkWidget *widget,
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gint response_id,
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ImageScaleDialog *private);
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/* public functions */
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GtkWidget *
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image_scale_dialog_new (PikaImage *image,
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PikaContext *context,
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GtkWidget *parent,
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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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ImageScaleDialog *private;
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g_return_val_if_fail (PIKA_IS_IMAGE (image), 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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private = g_slice_new0 (ImageScaleDialog);
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private->image = image;
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private->callback = callback;
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private->user_data = user_data;
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private->dialog = scale_dialog_new (PIKA_VIEWABLE (image), context,
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C_("dialog-title", "Scale Image"),
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"pika-image-scale",
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parent,
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pika_standard_help_func,
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PIKA_HELP_IMAGE_SCALE,
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unit,
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interpolation,
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image_scale_callback,
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private);
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g_object_weak_ref (G_OBJECT (private->dialog),
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(GWeakNotify) image_scale_dialog_free, private);
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return private->dialog;
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}
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/* private functions */
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static void
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image_scale_dialog_free (ImageScaleDialog *private)
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{
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g_slice_free (ImageScaleDialog, private);
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}
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static void
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image_scale_callback (GtkWidget *widget,
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PikaViewable *viewable,
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gint width,
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gint height,
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PikaUnit unit,
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PikaInterpolationType interpolation,
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gdouble xresolution,
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gdouble yresolution,
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PikaUnit resolution_unit,
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gpointer data)
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{
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ImageScaleDialog *private = data;
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PikaImage *image = PIKA_IMAGE (viewable);
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PikaImageScaleCheckType scale_check;
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gint64 max_memsize;
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gint64 new_memsize;
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private->width = width;
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private->height = height;
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private->unit = unit;
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private->interpolation = interpolation;
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private->xresolution = xresolution;
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private->yresolution = yresolution;
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private->resolution_unit = resolution_unit;
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gtk_widget_set_sensitive (widget, FALSE);
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max_memsize = PIKA_GUI_CONFIG (image->pika->config)->max_new_image_size;
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scale_check = pika_image_scale_check (image,
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width, height, max_memsize,
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&new_memsize);
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switch (scale_check)
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{
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case PIKA_IMAGE_SCALE_TOO_BIG:
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image_scale_confirm_large (private, new_memsize, max_memsize);
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break;
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case PIKA_IMAGE_SCALE_TOO_SMALL:
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image_scale_confirm_small (private);
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break;
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case PIKA_IMAGE_SCALE_OK:
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private->callback (private->dialog,
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PIKA_VIEWABLE (private->image),
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private->width,
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private->height,
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private->unit,
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private->interpolation,
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private->xresolution,
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private->yresolution,
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private->resolution_unit,
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private->user_data);
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break;
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}
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}
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static GtkWidget *
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image_scale_confirm_dialog (ImageScaleDialog *private)
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{
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GtkWidget *widget;
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widget = pika_message_dialog_new (_("Confirm Scaling"),
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PIKA_ICON_DIALOG_WARNING,
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private->dialog,
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GTK_DIALOG_DESTROY_WITH_PARENT,
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pika_standard_help_func,
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PIKA_HELP_IMAGE_SCALE_WARNING,
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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 (widget),
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GTK_RESPONSE_OK,
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GTK_RESPONSE_CANCEL,
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-1);
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g_signal_connect (widget, "response",
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G_CALLBACK (image_scale_confirm_response),
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private);
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return widget;
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}
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static void
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image_scale_confirm_large (ImageScaleDialog *private,
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gint64 new_memsize,
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gint64 max_memsize)
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{
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GtkWidget *widget = image_scale_confirm_dialog (private);
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gchar *size;
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size = g_format_size (new_memsize);
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pika_message_box_set_primary_text (PIKA_MESSAGE_DIALOG (widget)->box,
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_("You are trying to create an image "
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"with a size of %s."), size);
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g_free (size);
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size = g_format_size (max_memsize);
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pika_message_box_set_text (PIKA_MESSAGE_DIALOG (widget)->box,
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_("Scaling the image to the chosen size will "
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"make it use more memory than what is "
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"configured as \"Maximum Image Size\" in the "
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"Preferences dialog (currently %s)."), size);
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g_free (size);
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gtk_widget_show (widget);
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}
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static void
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image_scale_confirm_small (ImageScaleDialog *private)
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{
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GtkWidget *widget = image_scale_confirm_dialog (private);
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pika_message_box_set_primary_text (PIKA_MESSAGE_DIALOG (widget)->box,
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_("Scaling the image to the chosen size "
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"will shrink some layers completely "
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"away."));
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pika_message_box_set_text (PIKA_MESSAGE_DIALOG (widget)->box,
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_("Is this what you want to do?"));
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gtk_widget_show (widget);
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}
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static void
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image_scale_confirm_response (GtkWidget *widget,
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gint response_id,
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ImageScaleDialog *private)
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{
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gtk_widget_destroy (widget);
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if (response_id == GTK_RESPONSE_OK)
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{
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private->callback (private->dialog,
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PIKA_VIEWABLE (private->image),
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private->width,
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private->height,
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private->unit,
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private->interpolation,
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private->xresolution,
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private->yresolution,
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private->resolution_unit,
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private->user_data);
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}
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else
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{
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gtk_widget_set_sensitive (private->dialog, TRUE);
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}
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}
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