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gimp/app/widgets/gimpselectioneditor.c

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/* 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 "libgimpcolor/gimpcolor.h"
#include "libgimpmath/gimpmath.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "config/gimpcoreconfig.h"
#include "core/gimp.h"
#include "core/gimpchannel-select.h"
#include "core/gimpcontainer.h"
#include "core/gimpimage.h"
#include "core/gimpimage-pick-color.h"
#include "core/gimpselection.h"
#include "core/gimptoolinfo.h"
/* FIXME: #include "tools/tools-types.h" */
#include "tools/tools-types.h"
#include "tools/gimpregionselectoptions.h"
#include "gimpselectioneditor.h"
#include "gimpdnd.h"
#include "gimpdocked.h"
#include "gimpmenufactory.h"
#include "gimpview.h"
#include "gimpviewrenderer.h"
#include "gimpwidgets-utils.h"
#include "gimp-intl.h"
static void gimp_selection_editor_docked_iface_init (GimpDockedInterface *iface);
static void gimp_selection_editor_constructed (GObject *object);
static void gimp_selection_editor_set_image (GimpImageEditor *editor,
GimpImage *image);
static void gimp_selection_editor_set_context (GimpDocked *docked,
GimpContext *context);
static gboolean gimp_selection_view_button_press (GtkWidget *widget,
GdkEventButton *bevent,
GimpSelectionEditor *editor);
static void gimp_selection_editor_drop_color (GtkWidget *widget,
gint x,
gint y,
const GimpRGB *color,
gpointer data);
static void gimp_selection_editor_mask_changed (GimpImage *image,
GimpSelectionEditor *editor);
G_DEFINE_TYPE_WITH_CODE (GimpSelectionEditor, gimp_selection_editor,
GIMP_TYPE_IMAGE_EDITOR,
G_IMPLEMENT_INTERFACE (GIMP_TYPE_DOCKED,
gimp_selection_editor_docked_iface_init))
#define parent_class gimp_selection_editor_parent_class
static GimpDockedInterface *parent_docked_iface = NULL;
static void
gimp_selection_editor_class_init (GimpSelectionEditorClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpImageEditorClass *image_editor_class = GIMP_IMAGE_EDITOR_CLASS (klass);
object_class->constructed = gimp_selection_editor_constructed;
image_editor_class->set_image = gimp_selection_editor_set_image;
}
static void
gimp_selection_editor_docked_iface_init (GimpDockedInterface *iface)
{
parent_docked_iface = g_type_interface_peek_parent (iface);
if (! parent_docked_iface)
parent_docked_iface = g_type_default_interface_peek (GIMP_TYPE_DOCKED);
iface->set_context = gimp_selection_editor_set_context;
}
static void
gimp_selection_editor_init (GimpSelectionEditor *editor)
{
GtkWidget *frame;
frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
gtk_box_pack_start (GTK_BOX (editor), frame, TRUE, TRUE, 0);
gtk_widget_show (frame);
editor->view = gimp_view_new_by_types (NULL,
GIMP_TYPE_VIEW,
GIMP_TYPE_SELECTION,
GIMP_VIEW_SIZE_HUGE,
0, TRUE);
gimp_view_renderer_set_background (GIMP_VIEW (editor->view)->renderer,
GIMP_STOCK_TEXTURE);
gtk_widget_set_size_request (editor->view,
GIMP_VIEW_SIZE_HUGE, GIMP_VIEW_SIZE_HUGE);
gimp_view_set_expand (GIMP_VIEW (editor->view), TRUE);
gtk_container_add (GTK_CONTAINER (frame), editor->view);
gtk_widget_show (editor->view);
g_signal_connect (editor->view, "button-press-event",
G_CALLBACK (gimp_selection_view_button_press),
editor);
gimp_dnd_color_dest_add (editor->view,
gimp_selection_editor_drop_color,
editor);
gtk_widget_set_sensitive (GTK_WIDGET (editor), FALSE);
}
static void
gimp_selection_editor_constructed (GObject *object)
{
GimpSelectionEditor *editor = GIMP_SELECTION_EDITOR (object);
G_OBJECT_CLASS (parent_class)->constructed (object);
editor->all_button =
gimp_editor_add_action_button (GIMP_EDITOR (editor), "select",
"select-all", NULL);
editor->none_button =
gimp_editor_add_action_button (GIMP_EDITOR (editor), "select",
"select-none", NULL);
editor->invert_button =
gimp_editor_add_action_button (GIMP_EDITOR (editor), "select",
"select-invert", NULL);
editor->save_button =
gimp_editor_add_action_button (GIMP_EDITOR (editor), "select",
"select-save", NULL);
editor->path_button =
gimp_editor_add_action_button (GIMP_EDITOR (editor), "vectors",
"vectors-selection-to-vectors",
"vectors-selection-to-vectors-advanced",
GDK_SHIFT_MASK,
NULL);
editor->stroke_button =
gimp_editor_add_action_button (GIMP_EDITOR (editor), "select",
"select-stroke",
"select-stroke-last-values",
GDK_SHIFT_MASK,
NULL);
}
static void
gimp_selection_editor_set_image (GimpImageEditor *image_editor,
GimpImage *image)
{
GimpSelectionEditor *editor = GIMP_SELECTION_EDITOR (image_editor);
if (image_editor->image)
{
g_signal_handlers_disconnect_by_func (image_editor->image,
gimp_selection_editor_mask_changed,
editor);
}
GIMP_IMAGE_EDITOR_CLASS (parent_class)->set_image (image_editor, image);
if (image)
{
g_signal_connect (image, "mask-changed",
G_CALLBACK (gimp_selection_editor_mask_changed),
editor);
gimp_view_set_viewable (GIMP_VIEW (editor->view),
GIMP_VIEWABLE (gimp_image_get_mask (image)));
}
else
{
gimp_view_set_viewable (GIMP_VIEW (editor->view), NULL);
}
}
static void
gimp_selection_editor_set_context (GimpDocked *docked,
GimpContext *context)
{
GimpSelectionEditor *editor = GIMP_SELECTION_EDITOR (docked);
parent_docked_iface->set_context (docked, context);
gimp_view_renderer_set_context (GIMP_VIEW (editor->view)->renderer,
context);
}
/* public functions */
GtkWidget *
gimp_selection_editor_new (GimpMenuFactory *menu_factory)
{
g_return_val_if_fail (GIMP_IS_MENU_FACTORY (menu_factory), NULL);
return g_object_new (GIMP_TYPE_SELECTION_EDITOR,
"menu-factory", menu_factory,
"menu-identifier", "<Selection>",
"ui-path", "/selection-popup",
NULL);
}
static gboolean
gimp_selection_view_button_press (GtkWidget *widget,
GdkEventButton *bevent,
GimpSelectionEditor *editor)
{
GimpImageEditor *image_editor = GIMP_IMAGE_EDITOR (editor);
GimpViewRenderer *renderer;
GimpToolInfo *tool_info;
GimpSelectionOptions *sel_options;
GimpRegionSelectOptions *options;
GimpDrawable *drawable;
GimpChannelOps operation;
gint x, y;
GimpRGB color;
if (! image_editor->image)
return TRUE;
renderer = GIMP_VIEW (editor->view)->renderer;
tool_info = gimp_get_tool_info (image_editor->image->gimp,
"gimp-by-color-select-tool");
if (! tool_info)
return TRUE;
sel_options = GIMP_SELECTION_OPTIONS (tool_info->tool_options);
options = GIMP_REGION_SELECT_OPTIONS (tool_info->tool_options);
drawable = gimp_image_get_active_drawable (image_editor->image);
if (! drawable)
return TRUE;
operation = gimp_modifiers_to_channel_op (bevent->state);
x = gimp_image_get_width (image_editor->image) * bevent->x / renderer->width;
y = gimp_image_get_height (image_editor->image) * bevent->y / renderer->height;
if (gimp_image_pick_color (image_editor->image, drawable, x, y,
options->sample_merged,
FALSE, 0.0,
NULL,
NULL, &color))
{
gimp_channel_select_by_color (gimp_image_get_mask (image_editor->image),
drawable,
options->sample_merged,
&color,
options->threshold,
options->select_transparent,
options->select_criterion,
operation,
sel_options->antialias,
sel_options->feather,
sel_options->feather_radius,
sel_options->feather_radius);
gimp_image_flush (image_editor->image);
}
return TRUE;
}
static void
gimp_selection_editor_drop_color (GtkWidget *widget,
gint x,
gint y,
const GimpRGB *color,
gpointer data)
{
GimpImageEditor *editor = GIMP_IMAGE_EDITOR (data);
GimpToolInfo *tool_info;
GimpSelectionOptions *sel_options;
GimpRegionSelectOptions *options;
GimpDrawable *drawable;
if (! editor->image)
return;
tool_info = gimp_get_tool_info (editor->image->gimp,
"gimp-by-color-select-tool");
if (! tool_info)
return;
sel_options = GIMP_SELECTION_OPTIONS (tool_info->tool_options);
options = GIMP_REGION_SELECT_OPTIONS (tool_info->tool_options);
drawable = gimp_image_get_active_drawable (editor->image);
if (! drawable)
return;
gimp_channel_select_by_color (gimp_image_get_mask (editor->image),
drawable,
options->sample_merged,
color,
options->threshold,
options->select_transparent,
options->select_criterion,
sel_options->operation,
sel_options->antialias,
sel_options->feather,
sel_options->feather_radius,
sel_options->feather_radius);
gimp_image_flush (editor->image);
}
static void
gimp_selection_editor_mask_changed (GimpImage *image,
GimpSelectionEditor *editor)
{
gimp_view_renderer_invalidate (GIMP_VIEW (editor->view)->renderer);
}
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