QPaintEngineExPrivate Class Reference

#include <qpaintengineex_p.h>

Inheritance diagram for QPaintEngineExPrivate:

Public Functions
bool	hasClipOperations () const
	QPaintEngineExPrivate ()
void	replayClipOperations ()
	~QPaintEngineExPrivate ()
Public Functions inherited from QPaintEnginePrivate
void	drawBoxTextItem (const QPointF &p, const QTextItemInt &ti)
	QPaintEnginePrivate ()
void	setSystemTransform (const QTransform &xform)
void	setSystemViewport (const QRegion &region)
virtual void	systemStateChanged ()
void	transformSystemClip ()
virtual	~QPaintEnginePrivate ()

Public Variables
QStrokerOps *	activeStroker
QDashStroker	dasher
QRect	exDeviceRect
StrokeHandler *	strokeHandler
QStroker	stroker
QPen	strokerPen
Public Variables inherited from QPaintEnginePrivate
QWidget *	currentClipWidget
uint	hasSystemTransform: 1
uint	hasSystemViewport: 1
QPaintDevice *	pdev
QPaintEngine *	q_ptr
QRegion	systemClip
QRect	systemRect
QTransform	systemTransform
QRegion	systemViewport

Detailed Description

Definition at line 238 of file qpaintengineex_p.h.

Constructors and Destructors

QPaintEngineExPrivate()

QPaintEngineExPrivate::QPaintEngineExPrivate

(

)

Definition at line 160 of file qpaintengineex.cpp.

    : dasher(&stroker),
      strokeHandler(0),
      activeStroker(0),
      strokerPen(Qt::NoPen)
{
}

~QPaintEngineExPrivate()

QPaintEngineExPrivate::~QPaintEngineExPrivate

(

)

Definition at line 169 of file qpaintengineex.cpp.

{
    delete strokeHandler;
}

Functions

hasClipOperations()

bool QPaintEngineExPrivate::hasClipOperations

(

)

const

Definition at line 226 of file qpaintengineex.cpp.

{
    Q_Q(const QPaintEngineEx);

    QPainter *p = q->painter();
    if (!p || !p->d_ptr)
        return false;

    QList<QPainterClipInfo> clipInfo = p->d_ptr->state->clipInfo;

    return !clipInfo.isEmpty();
}

replayClipOperations()

void QPaintEngineExPrivate::replayClipOperations

(

)

Definition at line 175 of file qpaintengineex.cpp.

{
    Q_Q(QPaintEngineEx);

    QPainter *p = q->painter();
    if (!p || !p->d_ptr)
        return;

    QList<QPainterClipInfo> clipInfo = p->d_ptr->state->clipInfo;

    QTransform transform = q->state()->matrix;

    for (int i = 0; i <  clipInfo.size(); ++i) {
        const QPainterClipInfo &info = clipInfo.at(i);

        if (info.matrix != q->state()->matrix) {
            q->state()->matrix = info.matrix;
            q->transformChanged();
        }

        switch (info.clipType) {
        case QPainterClipInfo::RegionClip:
            q->clip(info.region, info.operation);
            break;
        case QPainterClipInfo::PathClip:
            q->clip(info.path, info.operation);
            break;
        case QPainterClipInfo::RectClip:
            q->clip(info.rect, info.operation);
            break;
        case QPainterClipInfo::RectFClip: {
            qreal right = info.rectf.x() + info.rectf.width();
            qreal bottom = info.rectf.y() + info.rectf.height();
            qreal pts[] = { info.rectf.x(), info.rectf.y(),
                            right, info.rectf.y(),
                            right, bottom,
                            info.rectf.x(), bottom };
            QVectorPath vp(pts, 4, 0, QVectorPath::RectangleHint);
            q->clip(vp, info.operation);
            break;
            }
        }
    }

    if (transform != q->state()->matrix) {
        q->state()->matrix = transform;
        q->transformChanged();
    }
}

Properties

activeStroker

QStrokerOps* QPaintEngineExPrivate::activeStroker

Definition at line 251 of file qpaintengineex_p.h.

dasher

QDashStroker QPaintEngineExPrivate::dasher

Definition at line 249 of file qpaintengineex_p.h.

exDeviceRect

QRect QPaintEngineExPrivate::exDeviceRect

Definition at line 254 of file qpaintengineex_p.h.

strokeHandler

StrokeHandler* QPaintEngineExPrivate::strokeHandler

Definition at line 250 of file qpaintengineex_p.h.

Referenced by ~QPaintEngineExPrivate().

stroker

QStroker QPaintEngineExPrivate::stroker

Definition at line 248 of file qpaintengineex_p.h.

strokerPen

QPen QPaintEngineExPrivate::strokerPen

Definition at line 252 of file qpaintengineex_p.h.

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The documentation for this class was generated from the following files:

• /src/gui/painting/qpaintengineex_p.h
• /src/gui/painting/qpaintengineex.cpp