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85 lines
2.5 KiB
85 lines
2.5 KiB
#ifndef ELEMENT_H
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#define ELEMENT_H
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#include <ntqcolor.h>
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#include <ntqnamespace.h>
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#include <ntqstring.h>
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#include <ntqvaluevector.h>
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class Element;
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typedef TQValueVector<Element> ElementVector;
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/*
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Elements are valid if they have a value which is > EPSILON.
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*/
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const double EPSILON = 0.0000001; // Must be > INVALID.
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class Element
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{
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public:
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enum { INVALID = -1 };
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enum { NO_PROPORTION = -1 };
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enum { MAX_PROPOINTS = 3 }; // One proportional point per chart type
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Element( double value = INVALID, TQColor valueColor = TQt::gray,
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int valuePattern = TQt::SolidPattern,
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const TQString& label = TQString::null,
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TQColor labelColor = TQt::black ) {
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init( value, valueColor, valuePattern, label, labelColor );
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for ( int i = 0; i < MAX_PROPOINTS * 2; ++i )
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m_propoints[i] = NO_PROPORTION;
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}
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~Element() {}
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bool isValid() const { return m_value > EPSILON; }
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double value() const { return m_value; }
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TQColor valueColor() const { return m_valueColor; }
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int valuePattern() const { return m_valuePattern; }
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TQString label() const { return m_label; }
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TQColor labelColor() const { return m_labelColor; }
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double proX( int index ) const;
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double proY( int index ) const;
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void set( double value = INVALID, TQColor valueColor = TQt::gray,
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int valuePattern = TQt::SolidPattern,
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const TQString& label = TQString::null,
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TQColor labelColor = TQt::black ) {
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init( value, valueColor, valuePattern, label, labelColor );
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}
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void setValue( double value ) { m_value = value; }
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void setValueColor( TQColor valueColor ) { m_valueColor = valueColor; }
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void setValuePattern( int valuePattern );
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void setLabel( const TQString& label ) { m_label = label; }
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void setLabelColor( TQColor labelColor ) { m_labelColor = labelColor; }
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void setProX( int index, double value );
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void setProY( int index, double value );
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#ifdef TQ_FULL_TEMPLATE_INSTANTIATION
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// xlC 3.x workaround
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TQ_DUMMY_COMPARISON_OPERATOR(Element)
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bool operator!=( const Element& e) const {
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return ( !(e == *this) );
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}
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#endif
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private:
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void init( double value, TQColor valueColor, int valuePattern,
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const TQString& label, TQColor labelColor );
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double m_value;
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TQColor m_valueColor;
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int m_valuePattern;
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TQString m_label;
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TQColor m_labelColor;
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double m_propoints[2 * MAX_PROPOINTS];
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};
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TQTextStream &operator<<( TQTextStream&, const Element& );
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TQTextStream &operator>>( TQTextStream&, Element& );
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#endif
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