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+/* GIMP - The GNU Image Manipulation Program
+ *
+ * gimpnpointdeformationtool.h
+ * Copyright (C) 2013 Marek Dvoroznak <dvoromar@gmail.com>
+ *
+ * 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/>.
+ */
+
+#ifndef __GIMP_N_POINT_DEFORMATION_TOOL_H__
+#define __GIMP_N_POINT_DEFORMATION_TOOL_H__
+
+
+#include "gimpdrawtool.h"
+#include "libgimpmath/gimpmath.h"
+#include <npd/npd_common.h>
+
+
+#define GIMP_TYPE_N_POINT_DEFORMATION_TOOL (gimp_n_point_deformation_tool_get_type ())
+#define GIMP_N_POINT_DEFORMATION_TOOL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_N_POINT_DEFORMATION_TOOL, GimpNPointDeformationTool))
+#define GIMP_N_POINT_DEFORMATION_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_N_POINT_DEFORMATION_TOOL, GimpNPointDeformationToolClass))
+#define GIMP_IS_N_POINT_DEFORMATION_TOOL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_N_POINT_DEFORMATION_TOOL))
+#define GIMP_IS_N_POINT_DEFORMATION_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_N_POINT_DEFORMATION_TOOL))
+#define GIMP_N_POINT_DEFORMATION_TOOL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_N_POINT_DEFORMATION_TOOL, GimpNPointDeformationToolClass))
+
+#define GIMP_N_POINT_DEFORMATION_TOOL_GET_OPTIONS(t) (GIMP_N_POINT_DEFORMATION_OPTIONS (gimp_tool_get_options (GIMP_TOOL (t))))
+
+
+typedef struct _GimpNPointDeformationTool GimpNPointDeformationTool;
+typedef struct _GimpNPointDeformationToolClass GimpNPointDeformationToolClass;
+
+struct _GimpNPointDeformationTool
+{
+ GimpDrawTool parent_instance;
+
+ guint draw_timeout_id;
+ GThread *deform_thread;
+
+ GeglNode *graph;
+ GeglNode *source;
+ GeglNode *npd_node;
+ GeglNode *sink;
+
+ GeglBuffer *preview_buffer;
+
+ NPDModel *model;
+ NPDControlPoint *selected_cp; /* last selected control point */
+ GList *selected_cps; /* list of selected control points */
+ NPDControlPoint *hovering_cp;
+
+ GimpVector2 *lattice_points;
+
+ gdouble start_x;
+ gdouble start_y;
+
+ gdouble last_x;
+ gdouble last_y;
+
+ gdouble cursor_x;
+ gdouble cursor_y;
+
+ gint offset_x;
+ gint offset_y;
+
+ gfloat cp_scaled_radius; /* radius of a control point scaled
+ * according to display shell's scale
+ */
+
+ gboolean active;
+ volatile gboolean deformation_active;
+ gboolean rubber_band;
+};
+
+struct _GimpNPointDeformationToolClass
+{
+ GimpDrawToolClass parent_class;
+};
+
+void gimp_n_point_deformation_tool_register (GimpToolRegisterCallback callback,
+ gpointer data);
+
+GType gimp_n_point_deformation_tool_get_type (void) G_GNUC_CONST;
+
+
+#endif /* __GIMP_N_POINT_DEFORMATION_TOOL_H__ */