gimp/app/actions/image-commands.c

723 lines
22 KiB
C

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