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89 lines
3.4 KiB
89 lines
3.4 KiB
// Copyright (C) 2002 Dominique Devriese <devriese@kde.org>
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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// 02110-1301, USA.
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#ifndef KIG_MISC_CALCPATHS_H
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#define KIG_MISC_CALCPATHS_H
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#include "../objects/common.h"
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/**
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* This function sorts \p os such that they're in the right order for
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* calc()-ing. This means that child objects must appear after their
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* parents ( for you graph people, this is just a topological sort.. )
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*/
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std::vector<ObjectCalcer*> calcPath( const std::vector<ObjectCalcer*>& os );
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/**
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* This is a different function for more or less the same purpose. It
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* takes a few Objects, which are considered to have been calced
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* already. Then, it puts the necessary part of their tqchildren in the
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* right order, so that calc()-ing correctly updates all of their data
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* ( they're calc'ed in the right order, i mean... ). The objects in
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* from are normally not included in the output, unless they appear
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* somewhere in the middle of the calc-path towards to...
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*/
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std::vector<ObjectCalcer*> calcPath( const std::vector<ObjectCalcer*>& from, const ObjectCalcer* to );
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/**
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* This function returns all objects on the side of the path through
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* the dependency tree from from down to to. This means that we look
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* for any objects that don't depend on any of the objects in from
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* themselves, but of which one of the direct tqchildren does. We need
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* this function for Locus stuff...
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*/
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std::vector<ObjectCalcer*> sideOfTreePath( const std::vector<ObjectCalcer*>& from, const ObjectCalcer* to );
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/**
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* This function returns all objects above the \p given in the
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* dependency graph. The \p given objects are also included
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* themselves..
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*/
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std::vector<ObjectCalcer*> getAllParents( const std::vector<ObjectCalcer*>& objs );
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/**
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* \overload
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*/
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std::vector<ObjectCalcer*> getAllParents( ObjectCalcer* obj );
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/**
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* This function returns all objects below the objects in \p objs in the
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* dependency graphy. The objects in \p objs are also included
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* themselves..
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*/
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std::set<ObjectCalcer*> getAllChildren( const std::vector<ObjectCalcer*> objs );
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/**
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* \overload
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*/
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std::set<ObjectCalcer*> getAllChildren( ObjectCalcer* obj );
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/**
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* Returns true if \p o is a descendant of any of the objects in \p os..
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*/
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bool isChild( const ObjectCalcer* o, const std::vector<ObjectCalcer*>& os );
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/**
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* Return true if the given \p point is ( by construction ) on the given
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* \p curve. This means that it is either a constrained point on the
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* curve, or the curve is constructed through the point, or the point
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* is an intersection point of the curve with another curve.
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* Note that it is assumed that the given point is in fact a point and the
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* given curve is in fact a curve.
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*/
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bool isPointOnCurve( const ObjectCalcer* point, const ObjectCalcer* curve );
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#endif
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