53 lines
1.3 KiB
C++
53 lines
1.3 KiB
C++
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// $Id$
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//
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// Cassowary Incremental Constraint Solver
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// Original Smalltalk Implementation by Alan Borning
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// This C++ Implementation by Greg J. Badros, <gjb@cs.washington.edu>
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// http://www.cs.washington.edu/homes/gjb
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// (C) 1998, 1999 Greg J. Badros and Alan Borning
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// See ../LICENSE for legal details regarding this software
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//
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// ClStrength.cc
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#include <cassowary/ClStrength.h>
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#define CONFIG_H_INCLUDED
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#endif
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// Use the singleton pattern for the strength objects
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const ClStrength &ClsRequired()
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{
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// required is distinct by equality to this static object,
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// but I still use an especially high symbolic weight, just in case
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// FIXGJB: hack?
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static ClStrength required_strength("<Required>", 1000, 1000, 1000);
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return required_strength;
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}
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const ClStrength &ClsStrong()
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{
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static ClStrength strong_strength("strong", 1.0, 0.0, 0.0);
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return strong_strength;
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}
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const ClStrength &ClsMedium()
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{
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static ClStrength medium_strength("medium", 0.0, 1.0, 0.0);
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return medium_strength;
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}
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const ClStrength &ClsWeak()
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{
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static ClStrength weak_strength("weak", 0.0, 0.0, 1.0);
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return weak_strength;
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}
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// special case for when nLevels = 3, should assert nLevels() == 3
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ClStrength::ClStrength(const string &Name, double w1, double w2, double w3) :
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_name(Name), _symbolicWeight(w1, w2, w3)
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{
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}
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