NodeTypePatterns.h

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//edge type patterns:
//THREE TYPE LEVELS:
//primary: holds information about structural/non-structural
//         nodes, this  influences the handling in algorithms
//secondary: type of node, e.g. flow node, simple label node, ...
//user edge types can be set locally
 
#pragma once
 
namespace ogdf {
 
using nodeType = long long;
 
enum class UMLNodeTypePatterns : nodeType {
    Primary = 0x0000000f,
    Secondary = 0x000000f0,
    Tertiary = 0x00000f00,
    Fourth = 0x0000f000,
    User = 0xff000000,
    All = 0xffffffff
};
 
enum class UMLNodeTypeConstants {
    //primary types (should be disjoint bits)
    PrimOriginal = 0x1,
    PrimCopy = 0x2,
    //secondary types: type of node (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
    //defines the structure of the diagram, e.g. as flow transmitter
    SecStructural = 0x1,
    SecNonStructural = 0x2,
    //tertiary
    //crossing node, high/low degree expander
    TerCrossing = 0x1,
    TerExpander = 0x2,
    TerHDExpander = 0x6,
    TerLDExpander = 0xA,
    //fourth level types: special types
    //flow node, simple label node, type label node, expansion corner node
    FourFlow = 0x1,
    FourLabel = 0x2,
    FourType = 0x3,
    FourCorner = 0x4
 
    //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 class UMLNodeTypeOffsets {
    Primary = 0,
    Secondary = 4,
    Tertiary = 8,
    Fourth = 12,
    Fifth = 16,
    User = 24
};
 
inline int operator<<(UMLNodeTypeConstants lhs, UMLNodeTypeOffsets rhs) {
    return static_cast<int>(lhs) << static_cast<int>(rhs);
}
 
}