SvgTextOnPathDecorationHelper Class Reference

The SvgTextOnPathDecorationHelper class. More...

#include <SvgTextOnPathDecorationHelper.h>

Classes
struct	Private

Public Member Functions
QRectF	decorationRect (const QTransform documentToView) const
	decorationRect
bool	hitTest (QPointF mouseInPts, const QTransform viewToDocument)
	hitTest
void	paint (QPainter *painter, const KoViewConverter &converter)
	paint Paint the handles for the text path.
void	setDecorationThickness (qreal thickness)
void	setHandleRadius (qreal radius)
void	setPos (int pos)
	setPos the the position of the cursor, where the text path is sought. A single text shape can have multiple paths, and this is how they are distinguished.
void	setShape (KoSvgTextShape *shape)
	setShape Set the shape for which to draw the text path.
void	setStrategyActive (bool isActive)
	SvgTextOnPathDecorationHelper ()
	~SvgTextOnPathDecorationHelper ()

Private Attributes
QScopedPointer< Private >	d

Detailed Description

The SvgTextOnPathDecorationHelper class.

Definition at line 18 of file SvgTextOnPathDecorationHelper.h.

Constructor & Destructor Documentation

SvgTextOnPathDecorationHelper()

SvgTextOnPathDecorationHelper::SvgTextOnPathDecorationHelper

(

)

Definition at line 45 of file SvgTextOnPathDecorationHelper.cpp.

                                                            : d(new Private)
{
 
}

~SvgTextOnPathDecorationHelper()

SvgTextOnPathDecorationHelper::~SvgTextOnPathDecorationHelper

(

)

Definition at line 50 of file SvgTextOnPathDecorationHelper.cpp.

{
 
}

Member Function Documentation

decorationRect()

QRectF SvgTextOnPathDecorationHelper::decorationRect

(

const QTransform

documentToView

)

const

decorationRect

Parameters

documentToView

– document to view transform.

Returns

the decoration rect.

Definition at line 115 of file SvgTextOnPathDecorationHelper.cpp.

{
    QRectF r;
    if (!d->shape) return r;
    KoSvgTextNodeIndex index = d->shape->topLevelNodeForPos(d->pos);
    if (!(index.textPath() && index.textPathInfo())) return r;
    QPointF handleInPts = documentToView.inverted().map(QPointF(d->handleRadius, d->handleRadius));
 
    QLineF line = d->getLineAnchorTextNode(index, handleInPts.x()*3);
 
    line = QTransform(d->shape->absoluteTransformation()*documentToView).map(line);
    r |= QRectF(line.p1()-QPointF(d->decorationThickness, d->decorationThickness)
                , line.p2()+QPointF(d->decorationThickness, d->decorationThickness));
 
    QPointF handle(d->handleRadius, d->handleRadius);
    r |= QRectF(line.p2() - handle, line.p2() + handle);
 
    //qDebug() << "decor rect" << r << line.p2();
    return r;
}

References d, KoSvgTextNodeIndex::textPath(), and KoSvgTextNodeIndex::textPathInfo().

hitTest()

bool SvgTextOnPathDecorationHelper::hitTest	(	QPointF	mouseInPts,
		const QTransform	viewToDocument )

hitTest

Returns

whether the current position is over a handle.

Definition at line 75 of file SvgTextOnPathDecorationHelper.cpp.

{
    if (!d->shape) return false;
    KoSvgTextNodeIndex index = d->shape->topLevelNodeForPos(d->pos);
    if (!(index.textPath() && index.textPathInfo())) return false;
    QPointF handleInPts = viewToDocument.map(QPointF(d->handleRadius, d->handleRadius));
 
    QLineF line = d->getLineAnchorTextNode(index, handleInPts.x()*2);
    line = d->shape->absoluteTransformation().map(line);
    bool hit = (QLineF(line.p2(), mouseInPts).length() <= handleInPts.x()*2);
    d->isHovered = hit;
    return hit;
}

References d, KoSvgTextNodeIndex::textPath(), and KoSvgTextNodeIndex::textPathInfo().

paint()

void SvgTextOnPathDecorationHelper::paint	(	QPainter *	painter,
		const KoViewConverter &	converter )

paint Paint the handles for the text path.

Definition at line 89 of file SvgTextOnPathDecorationHelper.cpp.

{
    if (!d->shape) return;
    KoSvgTextNodeIndex index = d->shape->topLevelNodeForPos(d->pos);
    if (!(index.textPath() && index.textPathInfo())) return;
 
    QPointF handleInPts = converter.viewToDocument().map(QPointF(d->handleRadius, d->handleRadius));
    QLineF line = d->getLineAnchorTextNode(index, handleInPts.x()*3);
    p->save();
    KisHandlePainterHelper helper =
            KoShape::createHandlePainterHelperView(p, d->shape, converter, d->handleRadius, d->decorationThickness);
 
    if (d->isActive) {
        helper.setHandleStyle(KisHandleStyle::selectedPrimaryHandles());
    } else if (d->isHovered) {
        helper.setHandleStyle(KisHandleStyle::highlightedPrimaryHandles());
    } else {
        helper.setHandleStyle(KisHandleStyle::primarySelection());
    }
 
    helper.drawConnectionLine(line);
    helper.drawHandleCircle(line.p2());
    //qDebug() << line.p2();
    p->restore();
}

References KoShape::createHandlePainterHelperView(), d, KisHandlePainterHelper::drawConnectionLine(), KisHandlePainterHelper::drawHandleCircle(), KisHandleStyle::highlightedPrimaryHandles(), p, KisHandleStyle::primarySelection(), KisHandleStyle::selectedPrimaryHandles(), KisHandlePainterHelper::setHandleStyle(), KoSvgTextNodeIndex::textPath(), KoSvgTextNodeIndex::textPathInfo(), and KoViewConverter::viewToDocument().

setDecorationThickness()

void SvgTextOnPathDecorationHelper::setDecorationThickness

(

qreal

thickness

)

Definition at line 70 of file SvgTextOnPathDecorationHelper.cpp.

{
    d->decorationThickness = thickness;
}

References d.

setHandleRadius()

void SvgTextOnPathDecorationHelper::setHandleRadius

(

qreal

radius

)

Definition at line 65 of file SvgTextOnPathDecorationHelper.cpp.

{
    d->handleRadius = radius;
}

References d.

setPos()

void SvgTextOnPathDecorationHelper::setPos

(

int

pos

)

setPos the the position of the cursor, where the text path is sought. A single text shape can have multiple paths, and this is how they are distinguished.

Parameters

pos	– a text cursor position.

Definition at line 55 of file SvgTextOnPathDecorationHelper.cpp.

{
    d->pos = pos;
}

References d.

setShape()

void SvgTextOnPathDecorationHelper::setShape

(

KoSvgTextShape *

shape

)

setShape Set the shape for which to draw the text path.

Parameters

shape

– text shape.

Definition at line 60 of file SvgTextOnPathDecorationHelper.cpp.

{
    d->shape = shape;
}

References d.

setStrategyActive()

void SvgTextOnPathDecorationHelper::setStrategyActive

(

bool

isActive

)

Definition at line 136 of file SvgTextOnPathDecorationHelper.cpp.

{
    d->isActive = isActive;
}

References d.

Member Data Documentation

d

QScopedPointer<Private> SvgTextOnPathDecorationHelper::d

private

Definition at line 67 of file SvgTextOnPathDecorationHelper.h.

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

• plugins/tools/svgtexttool/SvgTextOnPathDecorationHelper.h
• plugins/tools/svgtexttool/SvgTextOnPathDecorationHelper.cpp