qpainterpath.h File Reference

#include <QtGui/qmatrix.h>
#include <QtCore/qglobal.h>
#include <QtCore/qrect.h>
#include <QtCore/qline.h>
#include <QtCore/qvector.h>
#include <QtCore/qscopedpointer.h>

Go to the source code of this file.

Classes
class	QPainterPath
	The QPainterPath class provides a container for painting operations, enabling graphical shapes to be constructed and reused. More...
class	QPainterPath::Element
	The QPainterPath::Element class specifies the position and type of a subpath. More...
class	QPainterPathPrivate
class	QPainterPathStroker
	The QPainterPathStroker class is used to generate fillable outlines for a given painter path. More...

Functions
Q_GUI_EXPORT QDataStream &	operator<< (QDataStream &, const QPainterPath &)
Q_GUI_EXPORT QDebug	operator<< (QDebug, const QPainterPath &)
Q_GUI_EXPORT QDataStream &	operator>> (QDataStream &, QPainterPath &)
	Q_DECLARE_TYPEINFO (QPainterPath::Element, Q_PRIMITIVE_TYPE)

Function Documentation

operator<<() [1/2]

Q_GUI_EXPORT QDataStream& operator<<	(	QDataStream &	,
		const QPainterPath &
	)

Definition at line 2509 of file qpainterpath.cpp.

Referenced by QPainterPath::detach().

{
    if (p.isEmpty()) {
        s << 0;
        return s;
    }

    s << p.elementCount();
    for (int i=0; i < p.d_func()->elements.size(); ++i) {
        const QPainterPath::Element &e = p.d_func()->elements.at(i);
        s << int(e.type);
        s << double(e.x) << double(e.y);
    }
    s << p.d_func()->cStart;
    s << int(p.d_func()->fillRule);
    return s;
}

operator<<() [2/2]

Q_GUI_EXPORT QDebug operator<<	(	QDebug	,
		const QPainterPath &
	)

Definition at line 3618 of file qpainterpath.cpp.

{
    s.nospace() << "QPainterPath: Element count=" << p.elementCount() << endl;
    const char *types[] = {"MoveTo", "LineTo", "CurveTo", "CurveToData"};
    for (int i=0; i<p.elementCount(); ++i) {
        s.nospace() << " -> " << types[p.elementAt(i).type] << "(x=" << p.elementAt(i).x << ", y=" << p.elementAt(i).y << ')' << endl;

    }
    return s;
}

operator>>()

Q_GUI_EXPORT QDataStream& operator>>	(	QDataStream &	,
		QPainterPath &
	)

Definition at line 2539 of file qpainterpath.cpp.

{
    int size;
    s >> size;

    if (size == 0)
        return s;

    p.ensureData(); // in case if p.d_func() == 0
    if (p.d_func()->elements.size() == 1) {
        Q_ASSERT(p.d_func()->elements.at(0).type == QPainterPath::MoveToElement);
        p.d_func()->elements.clear();
    }
    p.d_func()->elements.reserve(p.d_func()->elements.size() + size);
    for (int i=0; i<size; ++i) {
        int type;
        double x, y;
        s >> type;
        s >> x;
        s >> y;
        Q_ASSERT(type >= 0 && type <= 3);
        if (!qt_is_finite(x) || !qt_is_finite(y)) {
#ifndef QT_NO_DEBUG
            qWarning("QDataStream::operator>>: NaN or Inf element found in path, skipping it");
#endif
            continue;
        }
        QPainterPath::Element elm = { qreal(x), qreal(y), QPainterPath::ElementType(type) };
        p.d_func()->elements.append(elm);
    }
    s >> p.d_func()->cStart;
    int fillRule;
    s >> fillRule;
    Q_ASSERT(fillRule == Qt::OddEvenFill || Qt::WindingFill);
    p.d_func()->fillRule = Qt::FillRule(fillRule);
    p.d_func()->dirtyBounds = true;
    p.d_func()->dirtyControlBounds = true;
    return s;
}

Q_DECLARE_TYPEINFO()

Q_DECLARE_TYPEINFO	(	QPainterPath::Element	,
		Q_PRIMITIVE_TYPE
	)