mirror of https://github.com/GNOME/gimp.git
339 lines
12 KiB
C
339 lines
12 KiB
C
/* The GIMP -- an 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 2 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <gtk/gtk.h>
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#include "libgimpcolor/gimpcolor.h"
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#include "libgimpmath/gimpmath.h"
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#include "libgimpwidgets/gimpwidgets.h"
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#include "widgets-types.h"
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#include "config/gimpcoreconfig.h"
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#include "core/gimp.h"
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#include "core/gimpchannel-select.h"
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#include "core/gimpcontainer.h"
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#include "core/gimpimage.h"
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#include "core/gimpimage-pick-color.h"
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#include "core/gimpselection.h"
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#include "core/gimptoolinfo.h"
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#ifdef __GNUC__
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#warning #include "tools/tools-types.h"
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#endif
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#include "tools/tools-types.h"
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#include "tools/gimpselectionoptions.h"
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#include "gimpselectioneditor.h"
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#include "gimpdnd.h"
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#include "gimpmenufactory.h"
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#include "gimpview.h"
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#include "gimpviewrenderer.h"
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#include "gimpwidgets-utils.h"
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#include "gimp-intl.h"
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static GObject * gimp_selection_editor_constructor (GType type,
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guint n_params,
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GObjectConstructParam *params);
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static void gimp_selection_editor_set_image (GimpImageEditor *editor,
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GimpImage *gimage);
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static gboolean gimp_selection_preview_button_press(GtkWidget *widget,
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GdkEventButton *bevent,
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GimpSelectionEditor *editor);
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static void gimp_selection_editor_drop_color (GtkWidget *widget,
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gint x,
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gint y,
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const GimpRGB *color,
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gpointer data);
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static void gimp_selection_editor_mask_changed (GimpImage *gimage,
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GimpSelectionEditor *editor);
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G_DEFINE_TYPE (GimpSelectionEditor, gimp_selection_editor,
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GIMP_TYPE_IMAGE_EDITOR);
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#define parent_class gimp_selection_editor_parent_class
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static void
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gimp_selection_editor_class_init (GimpSelectionEditorClass* klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GimpImageEditorClass *image_editor_class = GIMP_IMAGE_EDITOR_CLASS (klass);
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object_class->constructor = gimp_selection_editor_constructor;
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image_editor_class->set_image = gimp_selection_editor_set_image;
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}
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static void
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gimp_selection_editor_init (GimpSelectionEditor *editor)
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{
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GtkWidget *frame;
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frame = gtk_frame_new (NULL);
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gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
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gtk_box_pack_start (GTK_BOX (editor), frame, TRUE, TRUE, 0);
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gtk_widget_show (frame);
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editor->preview = gimp_view_new_by_types (GIMP_TYPE_VIEW,
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GIMP_TYPE_SELECTION,
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GIMP_VIEW_SIZE_HUGE,
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0, TRUE);
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gimp_view_renderer_set_background (GIMP_VIEW (editor->preview)->renderer,
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GIMP_STOCK_TEXTURE);
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gtk_widget_set_size_request (editor->preview,
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GIMP_VIEW_SIZE_HUGE, GIMP_VIEW_SIZE_HUGE);
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gimp_view_set_expand (GIMP_VIEW (editor->preview), TRUE);
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gtk_container_add (GTK_CONTAINER (frame), editor->preview);
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gtk_widget_show (editor->preview);
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g_signal_connect (editor->preview, "button-press-event",
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G_CALLBACK (gimp_selection_preview_button_press),
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editor);
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gimp_dnd_color_dest_add (editor->preview,
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gimp_selection_editor_drop_color,
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editor);
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gtk_widget_set_sensitive (GTK_WIDGET (editor), FALSE);
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}
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static GObject *
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gimp_selection_editor_constructor (GType type,
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guint n_params,
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GObjectConstructParam *params)
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{
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GObject *object;
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GimpSelectionEditor *editor;
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object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);
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editor = GIMP_SELECTION_EDITOR (object);
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editor->all_button =
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gimp_editor_add_action_button (GIMP_EDITOR (editor), "select",
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"select-all", NULL);
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editor->none_button =
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gimp_editor_add_action_button (GIMP_EDITOR (editor), "select",
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"select-none", NULL);
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editor->invert_button =
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gimp_editor_add_action_button (GIMP_EDITOR (editor), "select",
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"select-invert", NULL);
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editor->save_button =
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gimp_editor_add_action_button (GIMP_EDITOR (editor), "select",
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"select-save", NULL);
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editor->path_button =
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gimp_editor_add_action_button (GIMP_EDITOR (editor), "vectors",
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"vectors-selection-to-vectors",
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"vectors-selection-to-vectors-advanced",
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GDK_SHIFT_MASK,
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NULL);
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editor->stroke_button =
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gimp_editor_add_action_button (GIMP_EDITOR (editor), "select",
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"select-stroke",
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"select-stroke-last-values",
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GDK_SHIFT_MASK,
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NULL);
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return object;
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}
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static void
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gimp_selection_editor_set_image (GimpImageEditor *image_editor,
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GimpImage *gimage)
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{
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GimpSelectionEditor *editor = GIMP_SELECTION_EDITOR (image_editor);
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if (image_editor->gimage)
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{
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g_signal_handlers_disconnect_by_func (image_editor->gimage,
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gimp_selection_editor_mask_changed,
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editor);
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}
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GIMP_IMAGE_EDITOR_CLASS (parent_class)->set_image (image_editor, gimage);
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if (gimage)
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{
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g_signal_connect (gimage, "mask-changed",
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G_CALLBACK (gimp_selection_editor_mask_changed),
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editor);
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gimp_view_set_viewable (GIMP_VIEW (editor->preview),
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GIMP_VIEWABLE (gimp_image_get_mask (gimage)));
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}
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else
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{
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gimp_view_set_viewable (GIMP_VIEW (editor->preview), NULL);
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}
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}
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/* public functions */
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GtkWidget *
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gimp_selection_editor_new (GimpMenuFactory *menu_factory)
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{
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g_return_val_if_fail (GIMP_IS_MENU_FACTORY (menu_factory), NULL);
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return g_object_new (GIMP_TYPE_SELECTION_EDITOR,
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"menu-factory", menu_factory,
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"menu-identifier", "<SelectionEditor>",
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"ui-path", "/selection-editor-popup",
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NULL);
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}
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static gboolean
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gimp_selection_preview_button_press (GtkWidget *widget,
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GdkEventButton *bevent,
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GimpSelectionEditor *editor)
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{
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GimpImageEditor *image_editor = GIMP_IMAGE_EDITOR (editor);
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GimpViewRenderer *renderer;
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GimpToolInfo *tool_info;
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GimpSelectionOptions *options;
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GimpDrawable *drawable;
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SelectOps operation = SELECTION_REPLACE;
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gint x, y;
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GimpRGB color;
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if (! image_editor->gimage)
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return TRUE;
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renderer = GIMP_VIEW (editor->preview)->renderer;
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tool_info = (GimpToolInfo *)
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gimp_container_get_child_by_name (image_editor->gimage->gimp->tool_info_list,
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"gimp-by-color-select-tool");
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if (! tool_info)
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return TRUE;
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options = GIMP_SELECTION_OPTIONS (tool_info->tool_options);
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drawable = gimp_image_active_drawable (image_editor->gimage);
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if (! drawable)
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return TRUE;
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if (bevent->state & GDK_SHIFT_MASK)
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{
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if (bevent->state & GDK_CONTROL_MASK)
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{
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operation = SELECTION_INTERSECT;
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}
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else
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{
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operation = SELECTION_ADD;
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}
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}
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else if (bevent->state & GDK_CONTROL_MASK)
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{
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operation = SELECTION_SUBTRACT;
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}
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x = image_editor->gimage->width * bevent->x / renderer->width;
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y = image_editor->gimage->height * bevent->y / renderer->height;
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if (gimp_image_pick_color (image_editor->gimage, drawable, x, y,
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options->sample_merged,
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FALSE, 0.0,
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NULL,
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&color, NULL))
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{
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gimp_channel_select_by_color (gimp_image_get_mask (image_editor->gimage),
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drawable,
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options->sample_merged,
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&color,
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options->threshold,
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options->select_transparent,
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operation,
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options->antialias,
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options->feather,
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options->feather_radius,
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options->feather_radius);
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gimp_image_flush (image_editor->gimage);
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}
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return TRUE;
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}
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static void
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gimp_selection_editor_drop_color (GtkWidget *widget,
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gint x,
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gint y,
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const GimpRGB *color,
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gpointer data)
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{
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GimpImageEditor *editor = GIMP_IMAGE_EDITOR (data);
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GimpToolInfo *tool_info;
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GimpSelectionOptions *options;
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GimpDrawable *drawable;
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if (! editor->gimage)
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return;
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tool_info = (GimpToolInfo *)
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gimp_container_get_child_by_name (editor->gimage->gimp->tool_info_list,
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"gimp-by-color-select-tool");
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if (! tool_info)
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return;
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options = GIMP_SELECTION_OPTIONS (tool_info->tool_options);
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drawable = gimp_image_active_drawable (editor->gimage);
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if (! drawable)
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return;
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gimp_channel_select_by_color (gimp_image_get_mask (editor->gimage),
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drawable,
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options->sample_merged,
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color,
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options->threshold,
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options->select_transparent,
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options->operation,
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options->antialias,
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options->feather,
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options->feather_radius,
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options->feather_radius);
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gimp_image_flush (editor->gimage);
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}
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static void
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gimp_selection_editor_mask_changed (GimpImage *gimage,
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GimpSelectionEditor *editor)
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{
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gimp_view_renderer_invalidate (GIMP_VIEW (editor->preview)->renderer);
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}
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