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-rw-r--r--app/widgets/gimpselectioneditor.c350
1 files changed, 350 insertions, 0 deletions
diff --git a/app/widgets/gimpselectioneditor.c b/app/widgets/gimpselectioneditor.c
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+++ b/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 <https://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_ICON_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,
+ FALSE, 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);
+}