--- /dev/null
+/* === S Y N F I G ========================================================= */
+/*! \file node.h
+** \brief Template Header
+**
+** $Id$
+**
+** \legal
+** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+** Copyright (c) 2007 Chris Moore
+**
+** This package 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 2 of
+** the License, or (at your option) any later version.
+**
+** This package 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.
+** \endlegal
+*/
+/* ========================================================================= */
+
+/* === S T A R T =========================================================== */
+
+#ifndef __SYNFIG_PARENTNODE_H
+#define __SYNFIG_PARENTNODE_H
+
+/* === H E A D E R S ======================================================= */
+
+#include <sigc++/signal.h>
+#include <set>
+#include "time.h"
+#include "guid.h"
+#include <ETL/handle>
+#include "interpolation.h"
+#include "mutex.h"
+
+/* === M A C R O S ========================================================= */
+
+// When a PasteCanvas layer has a non-zero 'time offset' parameter, should
+// the waypoints shown for the canvas be adjusted? This currently only
+// partially works - see the TODO at the end of layer_pastecanvas.cpp
+#define ADJUST_WAYPOINTS_FOR_TIME_OFFSET
+
+/* === T Y P E D E F S ===================================================== */
+
+/* === C L A S S E S & S T R U C T S ======================================= */
+
+namespace synfig {
+
+class TimePoint
+{
+ GUID guid;
+ Time time;
+ Interpolation before,after;
+public:
+
+ TimePoint(const Time& x=Time::begin()):
+ guid(0),
+ time(x),
+ before(INTERPOLATION_NIL),
+ after(INTERPOLATION_NIL)
+ {
+ }
+
+#ifdef _DEBUG
+ const char *c_str()const;
+#endif
+
+ const GUID& get_guid()const { return guid; }
+ const Time& get_time()const { return time; }
+ Interpolation get_before()const { return before; }
+ Interpolation get_after()const { return after; }
+
+ void set_guid(const GUID& x) { guid=x; }
+ void set_time(const Time& x) { time=x; }
+ void set_before(Interpolation x) { before=x; }
+ void set_after(Interpolation x) { after=x; }
+
+ void absorb(const TimePoint& x);
+}; // END of class TimePoint
+
+inline TimePoint operator+(TimePoint lhs,const Time& rhs)
+ { lhs.set_time(lhs.get_time()+rhs); return lhs; }
+
+inline TimePoint operator-(TimePoint lhs,const Time& rhs)
+ { lhs.set_time(lhs.get_time()-rhs); return lhs; }
+
+inline bool operator<(const TimePoint& lhs,const TimePoint& rhs)
+ { return lhs.get_time()<rhs.get_time(); }
+
+inline bool operator<(const TimePoint& lhs,const Time& rhs)
+ { return lhs.get_time()<rhs; }
+
+inline bool operator<(const Time& lhs,const TimePoint& rhs)
+ { return lhs<rhs.get_time(); }
+
+inline bool operator==(const TimePoint& lhs,const TimePoint& rhs)
+ { return lhs.get_time()==rhs.get_time(); }
+
+inline bool operator!=(const TimePoint& lhs,const TimePoint& rhs)
+ { return lhs.get_time()!=rhs.get_time(); }
+
+class TimePointSet : public std::set<TimePoint>
+{
+public:
+ iterator insert(const TimePoint& x);
+
+ template <typename ITER> void insert(ITER begin, ITER end)
+ { for(;begin!=end;++begin) insert(*begin); }
+
+}; // END of class TimePointSet
+
+class Node : public etl::rshared_object
+{
+ /*
+ -- ** -- T Y P E S -----------------------------------------------------------
+ */
+
+public:
+
+ //! \writeme
+ typedef TimePointSet time_set;
+
+ /*
+ -- ** -- D A T A -------------------------------------------------------------
+ */
+
+private:
+
+ //! \writeme
+ GUID guid_;
+
+ //! cached time values for all the children
+ mutable time_set times;
+
+ //! \writeme
+ mutable bool bchanged;
+
+ //! \writeme
+ mutable int time_last_changed_;
+
+ //! \writeme
+ mutable RWLock rw_lock_;
+
+ //! \writeme
+ bool deleting_;
+
+public:
+
+ //! \todo This should really be private
+ std::set<Node*> parent_set;
+
+ /*
+ -- ** -- S I G N A L S -------------------------------------------------------
+ */
+
+private:
+
+ sigc::signal<void> signal_changed_;
+
+ //! GUID Changed
+ /*! \note The second parameter is the *OLD* guid! */
+ sigc::signal<void,GUID> signal_guid_changed_;
+
+ //! Deleted
+ sigc::signal<void> signal_deleted_;
+
+ /*
+ -- ** -- S I G N A L I N T E R F A C E -------------------------------------
+ */
+
+public:
+
+ sigc::signal<void>& signal_deleted() { return signal_deleted_; }
+
+ sigc::signal<void>& signal_changed() { return signal_changed_; }
+
+ //! GUID Changed
+ /*! \note The second parameter is the *OLD* guid! */
+ sigc::signal<void,GUID>& signal_guid_changed() { return signal_guid_changed_; }
+
+ /*
+ -- ** -- C O N S T R U C T O R S ---------------------------------------------
+ */
+
+protected:
+
+ Node();
+
+ // This class cannot be copied -- use clone() if necessary
+private:
+ Node(const Node &x);
+
+public:
+ virtual ~Node();
+
+ /*
+ -- ** -- M E M B E R F U N C T I O N S -------------------------------------
+ */
+
+public:
+
+ void changed();
+
+ //! Gets the GUID for this value node
+ const GUID& get_guid()const;
+
+ //! Sets the GUID for this value node
+ void set_guid(const GUID& x);
+
+ int get_time_last_changed()const;
+
+ void add_child(Node*x);
+
+ void remove_child(Node*x);
+
+ int parent_count()const;
+
+ const time_set &get_times() const;
+
+ RWLock& get_rw_lock()const { return rw_lock_; }
+
+protected:
+
+ void begin_delete();
+
+ /*
+ -- ** -- V I R T U A L F U N C T I O N S -----------------------------------
+ */
+
+protected:
+ virtual void on_changed();
+
+ virtual void on_guid_changed(GUID guid);
+
+ /*! Function to be overloaded that fills
+ */
+ virtual void get_times_vfunc(time_set &set) const = 0;
+};
+
+synfig::Node* find_node(const synfig::GUID& guid);
+
+template<typename T> etl::handle<T>
+guid_cast(const synfig::GUID& guid)
+{
+ return etl::handle<T>::cast_dynamic(synfig::find_node(guid));
+}
+
+#ifdef _DEBUG
+template <typename T>
+synfig::String set_string(T start, T end)
+{
+ synfig::String ret("[");
+ bool started = false;
+
+ while (start != end)
+ {
+ if (started) ret += ", ";
+ else started = true;
+
+ ret += synfig::String((*start).c_str());
+ start++;
+ }
+
+ return ret + "]";
+}
+
+template <typename T>
+synfig::String set_string(T set)
+{
+ return set_string(set.begin(), set.end());
+}
+#endif // _DEBUG
+
+typedef etl::handle<Node> NodeHandle;
+
+}; // END of namespace synfig
+
+/* === E N D =============================================================== */
+
+#endif
projects / synfig.git / blobdiff