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#ifndef __SP_SPIRAL_CONTEXT_H__
#define __SP_SPIRAL_CONTEXT_H__
/*
* Spiral drawing context
*
* Authors:
* Mitsuru Oka
* Lauris Kaplinski <lauris@kaplinski.com>
*
* Copyright (C) 1999-2001 Lauris Kaplinski
* Copyright (C) 2001-2002 Mitsuru Oka
*
* Released under GNU GPL
*/
#include <sigc++/sigc++.h>
#include "event-context.h"
#include "libnr/nr-point.h"
struct SPKnotHolder;
#define SP_TYPE_SPIRAL_CONTEXT (sp_spiral_context_get_type ())
#define SP_SPIRAL_CONTEXT(obj) (GTK_CHECK_CAST ((obj), SP_TYPE_SPIRAL_CONTEXT, SPSpiralContext))
#define SP_SPIRAL_CONTEXT_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), SP_TYPE_SPIRAL_CONTEXT, SPSpiralContextClass))
#define SP_IS_SPIRAL_CONTEXT(obj) (GTK_CHECK_TYPE ((obj), SP_TYPE_SPIRAL_CONTEXT))
#define SP_IS_SPIRAL_CONTEXT_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), SP_TYPE_SPIRAL_CONTEXT))
class SPSpiralContext;
class SPSpiralContextClass;
struct SPSpiralContext : public SPEventContext {
SPItem * item;
NR::Point center;
gdouble revo;
gdouble exp;
gdouble t0;
sigc::connection sel_changed_connection;
Inkscape::MessageContext *_message_context;
};
struct SPSpiralContextClass {
SPEventContextClass parent_class;
};
/* Standard Gtk function */
GtkType sp_spiral_context_get_type (void);
#endif
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