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