mirror of https://github.com/GNOME/gimp.git
296 lines
10 KiB
C
296 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 <string.h>
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#include <gegl.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 "config/gimpguiconfig.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-scale.h"
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#include "widgets/gimphelp-ids.h"
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#include "widgets/gimpmessagebox.h"
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#include "widgets/gimpmessagedialog.h"
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#include "scale-dialog.h"
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#include "image-scale-dialog.h"
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#include "gimp-intl.h"
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typedef struct
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{
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GtkWidget *dialog;
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GimpImage *image;
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gint width;
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gint height;
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GimpUnit unit;
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GimpInterpolationType interpolation;
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gdouble xresolution;
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gdouble yresolution;
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GimpUnit resolution_unit;
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GimpScaleCallback callback;
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gpointer user_data;
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} ImageScaleDialog;
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static void image_scale_callback (GtkWidget *widget,
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GimpViewable *viewable,
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gint width,
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gint height,
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GimpUnit unit,
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GimpInterpolationType interpolation,
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gdouble xresolution,
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gdouble yresolution,
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GimpUnit resolution_unit,
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gpointer data);
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static void image_scale_dialog_free (ImageScaleDialog *dialog);
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static GtkWidget * image_scale_confirm_dialog (ImageScaleDialog *dialog);
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static void image_scale_confirm_large (ImageScaleDialog *dialog,
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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 *dialog);
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static void image_scale_confirm_response (GtkWidget *widget,
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gint response_id,
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ImageScaleDialog *dialog);
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/* public functions */
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GtkWidget *
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image_scale_dialog_new (GimpImage *image,
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GimpContext *context,
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GtkWidget *parent,
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GimpUnit unit,
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GimpInterpolationType interpolation,
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GimpScaleCallback callback,
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gpointer user_data)
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{
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ImageScaleDialog *dialog;
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g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
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g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
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g_return_val_if_fail (callback != NULL, NULL);
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dialog = g_slice_new0 (ImageScaleDialog);
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dialog->image = image;
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dialog->dialog = scale_dialog_new (GIMP_VIEWABLE (image), context,
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C_("dialog-title", "Scale Image"),
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"gimp-image-scale",
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parent,
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gimp_standard_help_func,
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GIMP_HELP_IMAGE_SCALE,
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unit,
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interpolation,
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image_scale_callback,
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dialog);
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g_object_weak_ref (G_OBJECT (dialog->dialog),
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(GWeakNotify) image_scale_dialog_free, dialog);
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dialog->callback = callback;
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dialog->user_data = user_data;
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return dialog->dialog;
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}
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static void
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image_scale_callback (GtkWidget *widget,
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GimpViewable *viewable,
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gint width,
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gint height,
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GimpUnit unit,
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GimpInterpolationType interpolation,
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gdouble xresolution,
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gdouble yresolution,
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GimpUnit resolution_unit,
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gpointer data)
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{
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ImageScaleDialog *dialog = data;
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GimpImage *image = GIMP_IMAGE (viewable);
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GimpImageScaleCheckType scale_check;
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gint64 max_memsize;
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gint64 new_memsize;
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dialog->width = width;
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dialog->height = height;
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dialog->unit = unit;
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dialog->interpolation = interpolation;
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dialog->xresolution = xresolution;
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dialog->yresolution = yresolution;
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dialog->resolution_unit = resolution_unit;
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gtk_widget_set_sensitive (widget, FALSE);
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max_memsize = GIMP_GUI_CONFIG (image->gimp->config)->max_new_image_size;
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scale_check = gimp_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 GIMP_IMAGE_SCALE_TOO_BIG:
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image_scale_confirm_large (dialog, new_memsize, max_memsize);
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break;
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case GIMP_IMAGE_SCALE_TOO_SMALL:
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image_scale_confirm_small (dialog);
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break;
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case GIMP_IMAGE_SCALE_OK:
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gtk_widget_hide (widget);
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dialog->callback (dialog->dialog,
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GIMP_VIEWABLE (dialog->image),
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dialog->width,
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dialog->height,
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dialog->unit,
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dialog->interpolation,
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dialog->xresolution,
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dialog->yresolution,
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dialog->resolution_unit,
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dialog->user_data);
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gtk_widget_destroy (widget);
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/* remember the last used unit */
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g_object_set_data (G_OBJECT (image),
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"scale-dialog-unit", GINT_TO_POINTER (unit));
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break;
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}
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}
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static void
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image_scale_dialog_free (ImageScaleDialog *dialog)
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{
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g_slice_free (ImageScaleDialog, dialog);
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}
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static GtkWidget *
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image_scale_confirm_dialog (ImageScaleDialog *dialog)
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{
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GtkWidget *widget;
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widget = gimp_message_dialog_new (_("Confirm Scaling"),
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GIMP_STOCK_WARNING,
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dialog->dialog,
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GTK_DIALOG_DESTROY_WITH_PARENT,
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gimp_standard_help_func,
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GIMP_HELP_IMAGE_SCALE_WARNING,
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GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
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GIMP_STOCK_SCALE, GTK_RESPONSE_OK,
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NULL);
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gtk_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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dialog);
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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 *dialog,
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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 (dialog);
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gchar *size;
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size = g_format_size (new_memsize);
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gimp_message_box_set_primary_text (GIMP_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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gimp_message_box_set_text (GIMP_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 *dialog)
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{
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GtkWidget *widget = image_scale_confirm_dialog (dialog);
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gimp_message_box_set_primary_text (GIMP_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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gimp_message_box_set_text (GIMP_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 *dialog)
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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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gtk_widget_hide (dialog->dialog);
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dialog->callback (dialog->dialog,
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GIMP_VIEWABLE (dialog->image),
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dialog->width,
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dialog->height,
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dialog->unit,
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dialog->interpolation,
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dialog->xresolution,
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dialog->yresolution,
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dialog->resolution_unit,
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dialog->user_data);
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gtk_widget_destroy (dialog->dialog);
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}
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else
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{
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gtk_widget_set_sensitive (dialog->dialog, TRUE);
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}
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}
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