src/gui/painting/qregion.cpp File Reference

#include "qregion.h"
#include "qpolygon.h"
#include "qbuffer.h"
#include "qdatastream.h"
#include "qvariant.h"
#include <qdebug.h>

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Defines
#define	QRGN_SETRECT   1
#define	QRGN_SETELLIPSE   2
#define	QRGN_SETPTARRAY_ALT   3
#define	QRGN_SETPTARRAY_WIND   4
#define	QRGN_TRANSLATE   5
#define	QRGN_OR   6
#define	QRGN_AND   7
#define	QRGN_SUB   8
#define	QRGN_XOR   9
#define	QRGN_RECTS   10
Functions
QDebug	operator<< (QDebug s, const QRegion &r)
bool	rect_intersects (const QRect &r1, const QRect &r2)

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Define Documentation

#define QRGN_AND   7

Definition at line 215 of file qregion.cpp.

Referenced by QRegion::exec().

#define QRGN_OR   6

Definition at line 214 of file qregion.cpp.

Referenced by QRegion::exec().

#define QRGN_RECTS   10

Definition at line 218 of file qregion.cpp.

Referenced by QRegion::exec().

#define QRGN_SETELLIPSE   2

Definition at line 210 of file qregion.cpp.

Referenced by QRegion::exec().

#define QRGN_SETPTARRAY_ALT   3

Definition at line 211 of file qregion.cpp.

Referenced by QRegion::exec().

#define QRGN_SETPTARRAY_WIND   4

Definition at line 212 of file qregion.cpp.

Referenced by QRegion::exec().

#define QRGN_SETRECT   1

Definition at line 209 of file qregion.cpp.

Referenced by QRegion::exec().

#define QRGN_SUB   8

Definition at line 216 of file qregion.cpp.

Referenced by QRegion::exec().

#define QRGN_TRANSLATE   5

Definition at line 213 of file qregion.cpp.

Referenced by QRegion::exec().

#define QRGN_XOR   9

Definition at line 217 of file qregion.cpp.

Referenced by QRegion::exec().

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Function Documentation

QDebug operator<<	(	QDebug	s,
		const QRegion &	r
	)

Definition at line 361 of file qregion.cpp.

{
    QVector<QRect> rects = r.rects();
    s.nospace() << "QRegion(size=" << rects.size() << "), "
                << "bounds = " << r.boundingRect() << "\n";
    for (int i=0; i<rects.size(); ++i)
        s << "- " << i << rects.at(i) << "\n";
    return s;
}

bool rect_intersects	(	const QRect &	r1,
		const QRect &	r2
	)			[inline]

Definition at line 529 of file qregion.cpp.

References QRect::bottom(), QRect::left(), qMax(), qMin(), QRect::right(), and QRect::top().

{
    return qMax(r1.left(), r2.left()) <= qMin(r1.right(), r2.right())
        && qMax(r1.top(), r2.top()) <= qMin(r1.bottom(), r2.bottom());
}

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