RSnapSelection

Class in Snap Module
Header: #include <src/snap/RSnapSelection.h>
Inherits: RSnap

Description

Selection snapper implementation.

Snaps to the corners, edge midpoints and center of the bounding box of the current selection.

Scriptable: This class is available in script environments.

Public Functions

	RSnapSelection()
virtual	~RSnapSelection()
virtual QList< RRefPoint >	getSnapReferencePoints() const
virtual void	reset()
virtual RVector	snap(const RVector &position, RGraphicsView &view, double range=RNANDOUBLE)

Static Private Functions

static QList< RRefPoint >	calculateReferencePoints(RDocument *document)

Private Attributes

RDocument *	document Document of the last performed snap.
QList< RRefPoint >	referencePoints Cached reference points, lazily recomputed by getSnapReferencePoints.

Member Documentation

RSnapSelection

RSnapSelection::RSnapSelection()

inline

~RSnapSelection

virtual RSnapSelection::~RSnapSelection()

virtual inline

getSnapReferencePoints

virtual QList< RRefPoint > RSnapSelection::getSnapReferencePoints() const

virtual const

Returns: The nine possible snap points (corners, edge midpoints and center of the selection box), with the appropriate Top / VMiddle / Bottom and Left / HMiddle / Right flags set. Empty list if there is no selection.

Reimplemented from getSnapReferencePoints.

reset

virtual void RSnapSelection::reset()

virtual inline

Reimplemented from reset.

snap

virtual RVector RSnapSelection::snap(const RVector &position, RGraphicsView &view, double range=RNANDOUBLE)

virtual

All rights reserved.

This file is part of the QCAD project.

QCAD is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

QCAD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with QCAD.

Reimplemented from snap.

calculateReferencePoints

static QList< RRefPoint > RSnapSelection::calculateReferencePoints(RDocument *document)

static private

Returns: The nine reference points of the selection box of the given document (corners, edge midpoints and center) in the order top left, top middle, top right, middle left, center, middle right, bottom left, bottom middle, bottom right. Empty list if there is no selection.

document

RDocument* RSnapSelection::document

private

Document of the last performed snap.

referencePoints

QList<RRefPoint> RSnapSelection::referencePoints

private

Cached reference points, lazily recomputed by getSnapReferencePoints.