mirror of https://github.com/GNOME/gimp.git
699 lines
22 KiB
C
699 lines
22 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 <gegl.h>
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#include <gtk/gtk.h>
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#include "libgimpwidgets/gimpwidgets.h"
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#include "actions-types.h"
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#include "config/gimpcoreconfig.h"
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#include "core/core-enums.h"
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#include "core/gimp.h"
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#include "core/gimpchannel.h"
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#include "core/gimpcontext.h"
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#include "core/gimpimage.h"
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#include "core/gimpimage-convert.h"
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#include "core/gimpimage-crop.h"
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#include "core/gimpimage-duplicate.h"
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#include "core/gimpimage-flip.h"
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#include "core/gimpimage-merge.h"
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#include "core/gimpimage-resize.h"
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#include "core/gimpimage-rotate.h"
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#include "core/gimpimage-scale.h"
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#include "core/gimpimage-undo.h"
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#include "core/gimpprogress.h"
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#include "widgets/gimpdialogfactory.h"
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#include "widgets/gimpdock.h"
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#include "widgets/gimphelp-ids.h"
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#include "display/gimpdisplay.h"
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#include "display/gimpdisplayshell.h"
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#include "dialogs/convert-dialog.h"
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#include "dialogs/dialogs.h"
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#include "dialogs/grid-dialog.h"
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#include "dialogs/image-merge-layers-dialog.h"
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#include "dialogs/image-new-dialog.h"
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#include "dialogs/image-properties-dialog.h"
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#include "dialogs/image-scale-dialog.h"
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#include "dialogs/print-size-dialog.h"
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#include "dialogs/resize-dialog.h"
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#include "actions.h"
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#include "image-commands.h"
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#include "gimp-intl.h"
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typedef struct
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{
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GimpContext *context;
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GimpDisplay *display;
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} ImageResizeOptions;
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/* local function prototypes */
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static void image_resize_callback (GtkWidget *dialog,
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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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gint offset_x,
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gint offset_y,
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GimpItemSet layer_set,
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gpointer data);
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static void image_resize_options_free (ImageResizeOptions *options);
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static void image_print_size_callback (GtkWidget *dialog,
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GimpImage *image,
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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_callback (GtkWidget *dialog,
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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 user_data);
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static void image_merge_layers_response (GtkWidget *widget,
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gint response_id,
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ImageMergeLayersDialog *dialog);
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/* private variables */
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static GimpMergeType image_merge_layers_type = GIMP_EXPAND_AS_NECESSARY;
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static gboolean image_merge_layers_discard_invisible = FALSE;
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static GimpUnit image_resize_unit = GIMP_UNIT_PIXEL;
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static GimpUnit image_scale_unit = GIMP_UNIT_PIXEL;
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static GimpInterpolationType image_scale_interp = -1;
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/* public functions */
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void
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image_new_cmd_callback (GtkAction *action,
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gpointer data)
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{
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GtkWidget *widget;
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GtkWidget *dialog;
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return_if_no_widget (widget, data);
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dialog = gimp_dialog_factory_dialog_new (global_dialog_factory,
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gtk_widget_get_screen (widget),
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"gimp-image-new-dialog", -1, FALSE);
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if (dialog)
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{
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GimpImage *image = action_data_get_image (data);
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image_new_dialog_set (dialog, image, NULL);
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gtk_window_present (GTK_WINDOW (dialog));
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}
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}
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static void
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image_convert_dialog_unset (GtkWidget *widget)
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{
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g_object_set_data (G_OBJECT (widget), "image-convert-dialog", NULL);
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}
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void
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image_convert_cmd_callback (GtkAction *action,
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GtkAction *current,
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gpointer data)
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{
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GimpImage *image;
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GtkWidget *widget;
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GimpDisplay *display;
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GimpImageBaseType value;
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GError *error = NULL;
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return_if_no_image (image, data);
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return_if_no_widget (widget, data);
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return_if_no_display (display, data);
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value = gtk_radio_action_get_current_value (GTK_RADIO_ACTION (action));
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if (value == gimp_image_base_type (image))
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return;
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switch (value)
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{
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case GIMP_RGB:
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case GIMP_GRAY:
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if (! gimp_image_convert (image, value, 0, 0, FALSE, FALSE, 0, NULL,
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NULL, &error))
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{
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gimp_message_literal (image->gimp,
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G_OBJECT (widget), GIMP_MESSAGE_WARNING,
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error->message);
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g_clear_error (&error);
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return;
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}
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break;
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case GIMP_INDEXED:
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{
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GtkWidget *dialog;
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dialog = g_object_get_data (G_OBJECT (widget), "image-convert-dialog");
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if (! dialog)
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{
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dialog = convert_dialog_new (image,
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action_data_get_context (data),
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widget,
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GIMP_PROGRESS (display));
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g_object_set_data (G_OBJECT (widget),
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"image-convert-dialog", dialog);
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g_signal_connect_object (dialog, "destroy",
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G_CALLBACK (image_convert_dialog_unset),
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widget, G_CONNECT_SWAPPED);
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}
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gtk_window_present (GTK_WINDOW (dialog));
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}
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break;
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}
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gimp_image_flush (image);
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}
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void
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image_resize_cmd_callback (GtkAction *action,
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gpointer data)
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{
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ImageResizeOptions *options;
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GimpImage *image;
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GtkWidget *widget;
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GimpDisplay *display;
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GtkWidget *dialog;
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return_if_no_image (image, data);
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return_if_no_widget (widget, data);
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return_if_no_display (display, data);
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options = g_slice_new (ImageResizeOptions);
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options->display = display;
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options->context = action_data_get_context (data);
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if (image_resize_unit != GIMP_UNIT_PERCENT)
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image_resize_unit = GIMP_DISPLAY_SHELL (display->shell)->unit;
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dialog = resize_dialog_new (GIMP_VIEWABLE (image),
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action_data_get_context (data),
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_("Set Image Canvas Size"), "gimp-image-resize",
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widget,
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gimp_standard_help_func, GIMP_HELP_IMAGE_RESIZE,
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image_resize_unit,
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image_resize_callback,
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options);
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g_signal_connect_object (display, "disconnect",
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G_CALLBACK (gtk_widget_destroy),
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dialog, G_CONNECT_SWAPPED);
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g_object_weak_ref (G_OBJECT (dialog),
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(GWeakNotify) image_resize_options_free, options);
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gtk_widget_show (dialog);
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}
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void
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image_resize_to_layers_cmd_callback (GtkAction *action,
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gpointer data)
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{
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GimpDisplay *display;
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GimpProgress *progress;
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return_if_no_display (display, data);
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progress = gimp_progress_start (GIMP_PROGRESS (display),
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_("Resizing"), FALSE);
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gimp_image_resize_to_layers (display->image,
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action_data_get_context (data),
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progress);
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if (progress)
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gimp_progress_end (progress);
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gimp_image_flush (display->image);
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}
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void
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image_resize_to_selection_cmd_callback (GtkAction *action,
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gpointer data)
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{
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GimpDisplay *display;
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GimpProgress *progress;
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return_if_no_display (display, data);
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progress = gimp_progress_start (GIMP_PROGRESS (display),
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_("Resizing"), FALSE);
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gimp_image_resize_to_selection (display->image,
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action_data_get_context (data),
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progress);
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if (progress)
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gimp_progress_end (progress);
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gimp_image_flush (display->image);
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}
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void
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image_print_size_cmd_callback (GtkAction *action,
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gpointer data)
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{
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GtkWidget *dialog;
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GimpDisplay *display;
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GtkWidget *widget;
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return_if_no_display (display, data);
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return_if_no_widget (widget, data);
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dialog = print_size_dialog_new (display->image,
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action_data_get_context (data),
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_("Set Image Print Resolution"),
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"gimp-image-print-size",
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widget,
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gimp_standard_help_func,
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GIMP_HELP_IMAGE_PRINT_SIZE,
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image_print_size_callback,
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NULL);
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g_signal_connect_object (display, "disconnect",
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G_CALLBACK (gtk_widget_destroy),
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dialog, G_CONNECT_SWAPPED);
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gtk_widget_show (dialog);
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}
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void
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image_scale_cmd_callback (GtkAction *action,
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gpointer data)
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{
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GimpDisplay *display;
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GtkWidget *widget;
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GtkWidget *dialog;
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return_if_no_display (display, data);
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return_if_no_widget (widget, data);
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if (image_scale_unit != GIMP_UNIT_PERCENT)
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image_scale_unit = GIMP_DISPLAY_SHELL (display->shell)->unit;
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if (image_scale_interp == -1)
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image_scale_interp = display->image->gimp->config->interpolation_type;
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dialog = image_scale_dialog_new (display->image,
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action_data_get_context (data),
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widget,
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image_scale_unit,
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image_scale_interp,
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image_scale_callback,
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display);
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g_signal_connect_object (display, "disconnect",
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G_CALLBACK (gtk_widget_destroy),
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dialog, G_CONNECT_SWAPPED);
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gtk_widget_show (dialog);
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}
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void
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image_flip_cmd_callback (GtkAction *action,
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gint value,
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gpointer data)
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{
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GimpDisplay *display;
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GimpProgress *progress;
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return_if_no_display (display, data);
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progress = gimp_progress_start (GIMP_PROGRESS (display),
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_("Flipping"), FALSE);
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gimp_image_flip (display->image, action_data_get_context (data),
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(GimpOrientationType) value, progress);
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if (progress)
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gimp_progress_end (progress);
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gimp_image_flush (display->image);
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}
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void
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image_rotate_cmd_callback (GtkAction *action,
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gint value,
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gpointer data)
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{
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GimpDisplay *display;
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GimpProgress *progress;
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return_if_no_display (display, data);
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progress = gimp_progress_start (GIMP_PROGRESS (display),
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_("Rotating"), FALSE);
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gimp_image_rotate (display->image, action_data_get_context (data),
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(GimpRotationType) value, progress);
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if (progress)
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gimp_progress_end (progress);
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gimp_image_flush (display->image);
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}
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void
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image_crop_cmd_callback (GtkAction *action,
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gpointer data)
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{
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GimpImage *image;
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GtkWidget *widget;
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gint x1, y1, x2, y2;
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return_if_no_image (image, data);
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return_if_no_widget (widget, data);
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if (! gimp_channel_bounds (gimp_image_get_mask (image),
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&x1, &y1, &x2, &y2))
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{
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gimp_message_literal (image->gimp,
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G_OBJECT (widget), GIMP_MESSAGE_WARNING,
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_("Cannot crop because the current selection is empty."));
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return;
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}
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gimp_image_crop (image, action_data_get_context (data),
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x1, y1, x2, y2, FALSE, TRUE);
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gimp_image_flush (image);
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}
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void
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image_duplicate_cmd_callback (GtkAction *action,
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gpointer data)
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{
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GimpDisplay *display;
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GimpDisplayShell *shell;
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GimpImage *new_image;
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return_if_no_display (display, data);
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shell = GIMP_DISPLAY_SHELL (display->shell);
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new_image = gimp_image_duplicate (display->image);
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gimp_create_display (new_image->gimp,
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new_image,
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shell->unit,
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gimp_zoom_model_get_factor (shell->zoom));
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g_object_unref (new_image);
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}
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void
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image_merge_layers_cmd_callback (GtkAction *action,
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gpointer data)
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{
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ImageMergeLayersDialog *dialog;
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GimpImage *image;
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GtkWidget *widget;
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return_if_no_image (image, data);
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return_if_no_widget (widget, data);
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dialog = image_merge_layers_dialog_new (image,
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action_data_get_context (data),
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widget,
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image_merge_layers_type,
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image_merge_layers_discard_invisible);
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g_signal_connect (dialog->dialog, "response",
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G_CALLBACK (image_merge_layers_response),
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dialog);
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gtk_widget_show (dialog->dialog);
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}
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void
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image_flatten_image_cmd_callback (GtkAction *action,
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gpointer data)
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{
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GimpImage *image;
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return_if_no_image (image, data);
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gimp_image_flatten (image, action_data_get_context (data));
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gimp_image_flush (image);
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}
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void
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image_configure_grid_cmd_callback (GtkAction *action,
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gpointer data)
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{
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GimpDisplay *display;
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GimpDisplayShell *shell;
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GimpImage *image;
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return_if_no_display (display, data);
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shell = GIMP_DISPLAY_SHELL (display->shell);
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image = display->image;
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if (! shell->grid_dialog)
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{
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shell->grid_dialog = grid_dialog_new (display->image,
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action_data_get_context (data),
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display->shell);
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gtk_window_set_transient_for (GTK_WINDOW (shell->grid_dialog),
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GTK_WINDOW (display->shell));
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gtk_window_set_destroy_with_parent (GTK_WINDOW (shell->grid_dialog),
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TRUE);
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g_object_add_weak_pointer (G_OBJECT (shell->grid_dialog),
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(gpointer) &shell->grid_dialog);
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}
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gtk_window_present (GTK_WINDOW (shell->grid_dialog));
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}
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void
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image_properties_cmd_callback (GtkAction *action,
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gpointer data)
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{
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GimpDisplay *display;
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GimpDisplayShell *shell;
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GimpImage *image;
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GtkWidget *dialog;
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return_if_no_display (display, data);
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shell = GIMP_DISPLAY_SHELL (display->shell);
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image = display->image;
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dialog = image_properties_dialog_new (display->image,
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action_data_get_context (data),
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display->shell);
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gtk_window_set_transient_for (GTK_WINDOW (dialog),
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GTK_WINDOW (display->shell));
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gtk_window_set_destroy_with_parent (GTK_WINDOW (dialog),
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TRUE);
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gtk_window_present (GTK_WINDOW (dialog));
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}
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/* private functions */
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static void
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image_resize_callback (GtkWidget *dialog,
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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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gint offset_x,
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gint offset_y,
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GimpItemSet layer_set,
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gpointer data)
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{
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ImageResizeOptions *options = data;
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image_resize_unit = unit;
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if (width > 0 && height > 0)
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{
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GimpImage *image = GIMP_IMAGE (viewable);
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GimpDisplay *display = options->display;
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GimpContext *context = options->context;
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GimpProgress *progress;
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gtk_widget_destroy (dialog);
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if (width == gimp_image_get_width (image) &&
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height == gimp_image_get_height (image))
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return;
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progress = gimp_progress_start (GIMP_PROGRESS (display),
|
|
_("Resizing"), FALSE);
|
|
|
|
gimp_image_resize_with_layers (image,
|
|
context,
|
|
width, height, offset_x, offset_y,
|
|
layer_set,
|
|
progress);
|
|
|
|
if (progress)
|
|
gimp_progress_end (progress);
|
|
|
|
gimp_image_flush (image);
|
|
}
|
|
else
|
|
{
|
|
g_warning ("Resize Error: "
|
|
"Both width and height must be greater than zero.");
|
|
}
|
|
}
|
|
|
|
static void
|
|
image_resize_options_free (ImageResizeOptions *options)
|
|
{
|
|
g_slice_free (ImageResizeOptions, options);
|
|
}
|
|
|
|
static void
|
|
image_print_size_callback (GtkWidget *dialog,
|
|
GimpImage *image,
|
|
gdouble xresolution,
|
|
gdouble yresolution,
|
|
GimpUnit resolution_unit,
|
|
gpointer data)
|
|
{
|
|
gdouble xres;
|
|
gdouble yres;
|
|
|
|
gtk_widget_destroy (dialog);
|
|
|
|
gimp_image_get_resolution (image, &xres, &yres);
|
|
|
|
if (xresolution == xres &&
|
|
yresolution == yres &&
|
|
resolution_unit == gimp_image_get_unit (image))
|
|
return;
|
|
|
|
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_IMAGE_SCALE,
|
|
_("Change Print Size"));
|
|
|
|
gimp_image_set_resolution (image, xresolution, yresolution);
|
|
gimp_image_set_unit (image, resolution_unit);
|
|
|
|
gimp_image_undo_group_end (image);
|
|
|
|
gimp_image_flush (image);
|
|
}
|
|
|
|
static void
|
|
image_scale_callback (GtkWidget *dialog,
|
|
GimpViewable *viewable,
|
|
gint width,
|
|
gint height,
|
|
GimpUnit unit,
|
|
GimpInterpolationType interpolation,
|
|
gdouble xresolution,
|
|
gdouble yresolution,
|
|
GimpUnit resolution_unit,
|
|
gpointer user_data)
|
|
{
|
|
GimpImage *image = GIMP_IMAGE (viewable);
|
|
gdouble xres;
|
|
gdouble yres;
|
|
|
|
image_scale_unit = unit;
|
|
image_scale_interp = interpolation;
|
|
|
|
gimp_image_get_resolution (image, &xres, &yres);
|
|
|
|
if (width > 0 && height > 0)
|
|
{
|
|
if (width == gimp_image_get_width (image) &&
|
|
height == gimp_image_get_height (image) &&
|
|
xresolution == xres &&
|
|
yresolution == yres &&
|
|
resolution_unit == gimp_image_get_unit (image))
|
|
return;
|
|
|
|
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_IMAGE_SCALE,
|
|
_("Scale Image"));
|
|
|
|
gimp_image_set_resolution (image, xresolution, yresolution);
|
|
gimp_image_set_unit (image, resolution_unit);
|
|
|
|
if (width != gimp_image_get_width (image) ||
|
|
height != gimp_image_get_height (image))
|
|
{
|
|
GimpProgress *progress;
|
|
|
|
progress = gimp_progress_start (GIMP_PROGRESS (user_data),
|
|
_("Scaling"), FALSE);
|
|
|
|
gimp_image_scale (image, width, height, interpolation, progress);
|
|
|
|
if (progress)
|
|
gimp_progress_end (progress);
|
|
}
|
|
|
|
gimp_image_undo_group_end (image);
|
|
|
|
gimp_image_flush (image);
|
|
}
|
|
else
|
|
{
|
|
g_warning ("Scale Error: "
|
|
"Both width and height must be greater than zero.");
|
|
}
|
|
}
|
|
|
|
static void
|
|
image_merge_layers_response (GtkWidget *widget,
|
|
gint response_id,
|
|
ImageMergeLayersDialog *dialog)
|
|
{
|
|
if (response_id == GTK_RESPONSE_OK)
|
|
{
|
|
image_merge_layers_type = dialog->merge_type;
|
|
image_merge_layers_discard_invisible = dialog->discard_invisible;
|
|
|
|
gimp_image_merge_visible_layers (dialog->image,
|
|
dialog->context,
|
|
image_merge_layers_type,
|
|
image_merge_layers_discard_invisible);
|
|
|
|
gimp_image_flush (dialog->image);
|
|
}
|
|
|
|
gtk_widget_destroy (widget);
|
|
}
|