valuenode_wplist.h

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/* === S Y N F I G ========================================================= */
/* ========================================================================= */

/* === S T A R T =========================================================== */

#ifndef __SYNFIG_VALUENODE_WPLIST_H
#define __SYNFIG_VALUENODE_WPLIST_H

/* === H E A D E R S ======================================================= */

#include <vector>
#include <list>

#include <synfig/valuenode.h>
#include <synfig/time.h>
#include <synfig/uniqueid.h>
#include <synfig/widthpoint.h>
#include "valuenode_dynamiclist.h"

/* === M A C R O S ========================================================= */

/* === C L A S S E S & S T R U C T S ======================================= */

namespace synfig {
synfig::ValueBase convert_bline_to_wplist(const ValueBase& bline);
synfig::Real widthpoint_interpolate(const WidthPoint& prev, const WidthPoint& next, const Real position, const Real smoothness=0.0);

class ValueNode_WPList : public ValueNode_DynamicList
{
private:
    ValueNode::RHandle bline_;

public:

    typedef etl::handle<ValueNode_WPList> Handle;
    typedef etl::handle<const ValueNode_WPList> ConstHandle;
    typedef etl::handle<const ValueNode_WPList> LooseHandle;
    ValueNode_WPList();

public:

    virtual ValueBase operator()(Time t)const;
    virtual ~ValueNode_WPList();
    virtual String link_local_name(int i)const;
    virtual String get_name()const;
    virtual String get_local_name()const;
    virtual ListEntry create_list_entry(int index, Time time=0, Real origin=0.5);
    WidthPoint find_next_valid_entry_by_position(Real position, Time time=0)const;
    WidthPoint find_prev_valid_entry_by_position(Real position, Time time=0)const;
    Real interpolated_width(Real position, Time time)const;
    ValueNode::LooseHandle get_bline()const;
    void set_bline(ValueNode::Handle b);

protected:

    LinkableValueNode* create_new()const;

public:

    static bool check_type(Type &type);
    // Creates a Value Node Width Point List from another compatible list
    static ValueNode_WPList* create(const ValueBase &x=type_list);
}; // END of class ValueNode_WPList

typedef ValueNode_WPList::ListEntry::ActivepointList ActivepointList;

}; // END of namespace synfig

/* === E N D =============================================================== */

#endif