EnhancedPathParameter.h

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/* This file is part of the KDE project
 * SPDX-FileCopyrightText: 2007 Jan Hambrecht <jaham@gmx.net>
 *
 * SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
#ifndef KOENHANCEDPATHPARAMETER_H
#define KOENHANCEDPATHPARAMETER_H
 
#include <QString>
 
class EnhancedPathShape;
 
enum Identifier {
    IdentifierUnknown,   
    IdentifierPi,        
    IdentifierLeft,      
    IdentifierTop,       
    IdentifierRight,     
    IdentifierBottom,    
    IdentifierXstretch,  
    IdentifierYstretch,  
    IdentifierHasStroke, 
    IdentifierHasFill,   
    IdentifierWidth,     
    IdentifierHeight,    
    IdentifierLogwidth,  
    IdentifierLogheight  
};
 
class EnhancedPathParameter
{
public:
    explicit EnhancedPathParameter(EnhancedPathShape *parent);
    virtual ~EnhancedPathParameter();
    virtual qreal evaluate() = 0;
    virtual void modify(qreal value);
    virtual QString toString() const = 0;
protected:
    EnhancedPathShape *parent();
private:
    EnhancedPathShape *m_parent;
};
 
class EnhancedPathConstantParameter : public EnhancedPathParameter
{
public:
    EnhancedPathConstantParameter(qreal value, EnhancedPathShape *parent);
    qreal evaluate() override;
    QString toString() const override;
private:
    qreal m_value; 
};
 
class EnhancedPathNamedParameter : public EnhancedPathParameter
{
public:
    EnhancedPathNamedParameter(Identifier identifier, EnhancedPathShape *parent);
    EnhancedPathNamedParameter(const QString &identifier, EnhancedPathShape *parent);
    qreal evaluate() override;
    static Identifier identifierFromString(const QString &text);
    QString toString() const override;
private:
    Identifier m_identifier; 
};
 
class EnhancedPathReferenceParameter : public EnhancedPathParameter
{
public:
    explicit EnhancedPathReferenceParameter(const QString &reference, EnhancedPathShape *parent);
    qreal evaluate() override;
    void modify(qreal value) override;
    QString toString() const override;
private:
    QString m_reference; 
};
 
#endif // KOENHANCEDPATHPARAMETER_H