EdgeTypePatterns.h

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/*
 * $Revision: 2299 $
 * 
 * last checkin:
 *   $Author: gutwenger $ 
 *   $Date: 2012-05-07 15:57:08 +0200 (Mon, 07 May 2012) $ 
 ***************************************************************/
 
//edge type patterns:
    //FOUR TYPE LEVELS:
    //primary holds information about generalization/association,...
    //secondary about merger edges,...
    //user edge types can be set locally

#ifdef _MSC_VER
#pragma once
#endif

#ifndef OGDF_EDGE_TYPE_PATTERNS_H
#define OGDF_EDGE_TYPE_PATTERNS_H

namespace ogdf {

    typedef long edgeType;

    enum UMLEdgeTypePatterns {etpPrimary = 0x0000000f, etpSecondary = 0x000000f0,
                               etpTertiary = 0x00000f00, etpFourth = 0x0000f000,
                               etpUser = 0xff000000,
                               etpAll = 0xffffffff
    }; 
    enum UMLEdgeTypeConstants {
        //primary types (should be disjoint bits)
        etcPrimAssociation = 0x1, etcPrimGeneralization = 0x2, etcPrimDependency = 0x4,
        //secondary types: reason of insertion (should be disjoint types, but not bits,
        //but may not completely cover others that are allowed to be set together)
        //preliminary: setsecondarytype deletes old type
        //edge in Expansion, dissection edge, face splitter, cluster boundary
        etcSecExpansion = 0x1, etcSecDissect = 0x2, etcSecFaceSplitter = 0x3,
        etcSecCluster = 0x4, etcSecClique, //the boundaries
        //tertiary types: special types
        //merger edge, vertical in hierarchy, alignment, association class connnection
        etcMerger = 0x1, etcVertical = 0x2, etcAlign = 0x3, etcAssClass = 0x8,
        //fourth types: relation of nodes
        //direct neighbours in hierarchy = brother, neighbour = halfbrother
        //same level = cousin, to merger = ToMerger, from Merger = FromMerger
        etcBrother = 0x1, etcHalfBrother = 0x2, etcCousin = 0x3, 
        //fifth level types
        etcFifthToMerger = 0x1, etcFifthFromMerger = 0x2
        //user type hint: what you have done with the edge, e.g. brother edge
        //that is embedded crossing free and should be drawn bend free
    };
    enum UMLEdgeTypeOffsets {
        etoPrimary = 0, etoSecondary = 4, etoTertiary = 8, etoFourth = 12, etoFifth = 16,
        etoUser = 24
    };

} //end namespace ogdf

#endif