sp-shape.h

#ifndef __SP_SHAPE_H__
#define __SP_SHAPE_H__

/*
 * Base class for shapes, including <path> element
 *
 * Author:
 *   Lauris Kaplinski <lauris@kaplinski.com>
 *
 * Copyright (C) 1999-2002 Lauris Kaplinski
 * Copyright (C) 2000-2001 Ximian, Inc.
 * Copyright (C) 2008 Johan Engelen
 *
 * Released under GNU GPL, read the file 'COPYING' for more information
 */

#include "display/display-forward.h"
#include "sp-lpe-item.h"
#include "sp-marker-loc.h"
#include <2geom/forward.h>

#include <sigc++/connection.h>

#define SP_TYPE_SHAPE (sp_shape_get_type ())
#define SP_SHAPE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), SP_TYPE_SHAPE, SPShape))
#define SP_SHAPE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), SP_TYPE_SHAPE, SPShapeClass))
#define SP_IS_SHAPE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), SP_TYPE_SHAPE))
#define SP_IS_SHAPE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), SP_TYPE_SHAPE))

#define SP_SHAPE_WRITE_PATH (1 << 2)

struct SPDesktop;

struct SPShape : public SPLPEItem {
    SPCurve *curve;

      SPObject *marker[SP_MARKER_LOC_QTY];
      sigc::connection release_connect [SP_MARKER_LOC_QTY];
      sigc::connection modified_connect [SP_MARKER_LOC_QTY];
};

struct SPShapeClass {
      SPLPEItemClass item_class;

      /* Build bpath from extra shape attributes */
      void (* set_shape) (SPShape *shape);
};

GType sp_shape_get_type (void);

void sp_shape_set_shape (SPShape *shape);

/* Return duplicate of curve or NULL */
SPCurve *sp_shape_get_curve (SPShape *shape);

// sets a curve, updates display
void sp_shape_set_curve (SPShape *shape, SPCurve *curve, unsigned int owner);

// same as sp_shape_set_curve, but without updating display
void sp_shape_set_curve_insync (SPShape *shape, SPCurve *curve, unsigned int owner);

// markers API
void sp_shape_set_marker (SPObject *object, unsigned int key, const gchar *value);
int sp_shape_has_markers (SPShape const *shape);
int sp_shape_number_of_markers (SPShape* Shape, int type);

Geom::Matrix sp_shape_marker_get_transform(Geom::Curve const & c1, Geom::Curve const & c2);
Geom::Matrix sp_shape_marker_get_transform_at_start(Geom::Curve const & c);
Geom::Matrix sp_shape_marker_get_transform_at_end(Geom::Curve const & c);

#endif