Referencia del Archivo src/qt/src/widgets/qlcdnumber.cpp

#include "qlcdnumber.h"
#include "qbitarray.h"
#include "qpainter.h"

'defines'
#define	LINETO(X, Y)   addPoint( a, QPoint(pt.x() + (X),pt.y() + (Y)))
#define	LIGHT
#define	DARK
#define	LINETO(X, Y)   p.lineTo(QPoint(pt.x() + (X),pt.y() + (Y)))
#define	LIGHT   p.setPen(lightColor)
#define	DARK   p.setPen(darkColor)

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Documentación de los 'defines'

#define DARK

#define DARK   p.setPen(darkColor)

#define LIGHT   p.setPen(lightColor)

#define LIGHT

#define LINETO	(		X,
			Y
	)		p.lineTo(QPoint(pt.x() + (X),pt.y() + (Y)))

#define LINETO	(		X,
			Y
	)		addPoint( a, QPoint(pt.x() + (X),pt.y() + (Y)))