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Diffstat (limited to 'src/quick/util/qdeclarativepathinterpolator.cpp')
| -rw-r--r-- | src/quick/util/qdeclarativepathinterpolator.cpp | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/src/quick/util/qdeclarativepathinterpolator.cpp b/src/quick/util/qdeclarativepathinterpolator.cpp deleted file mode 100644 index 7550d54159..0000000000 --- a/src/quick/util/qdeclarativepathinterpolator.cpp +++ /dev/null @@ -1,169 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/ -** -** This file is part of the QtDeclarative module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** This file may be used under the terms of the GNU Lesser General Public -** License version 2.1 as published by the Free Software Foundation and -** appearing in the file LICENSE.LGPL included in the packaging of this -** file. Please review the following information to ensure the GNU Lesser -** General Public License version 2.1 requirements will be met: -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qdeclarativepathinterpolator_p.h" - -#include "qdeclarativepath_p.h" - -QT_BEGIN_NAMESPACE - -/*! - \qmlclass PathInterpolator QQuickPathInterpolator - \inqmlmodule QtQuick 2 - \brief The PathInterpolator element provides a way to manually animate along a path. - - PathInterpolator provides \c x, \c y, and \c angle information for a particular \c progress - along a path. - - In the following example, we animate a green rectangle along a bezier path. - - \snippet doc/src/snippets/declarative/pathinterpolator.qml 0 -*/ - -QDeclarativePathInterpolator::QDeclarativePathInterpolator(QObject *parent) : - QObject(parent), _path(0), _x(0), _y(0), _angle(0), _progress(0) -{ -} - -/*! - \qmlproperty Path QtQuick2::PathInterpolator::path - This property holds the path to interpolate. - - For more information on defining a path see the \l Path documentation. -*/ -QDeclarativePath *QDeclarativePathInterpolator::path() const -{ - return _path; -} - -void QDeclarativePathInterpolator::setPath(QDeclarativePath *path) -{ - if (_path == path) - return; - if (_path) - disconnect(_path, SIGNAL(changed()), this, SLOT(_q_pathUpdated())); - _path = path; - connect(_path, SIGNAL(changed()), this, SLOT(_q_pathUpdated())); - emit pathChanged(); -} - -/*! - \qmlproperty real QtQuick2::PathInterpolator::progress - This property holds the current progress along the path. - - Typical usage of PathInterpolator is to set the progress - (often via a NumberAnimation), and read the corresponding - values for x, y, and angle (often via bindings to these values). - - Progress ranges from 0.0 to 1.0. -*/ -qreal QDeclarativePathInterpolator::progress() const -{ - return _progress; -} - -void QDeclarativePathInterpolator::setProgress(qreal progress) -{ - if (progress == _progress) - return; - _progress = progress; - emit progressChanged(); - _q_pathUpdated(); -} - -/*! - \qmlproperty real QtQuick2::PathInterpolator::x - \qmlproperty real QtQuick2::PathInterpolator::y - - These properties hold the position of the path at \l progress. -*/ -qreal QDeclarativePathInterpolator::x() const -{ - return _x; -} - -qreal QDeclarativePathInterpolator::y() const -{ - return _y; -} - -/*! - \qmlproperty real QtQuick2::PathInterpolator::angle - - This property holds the angle of the path tangent at \l progress. - - Angles are reported clockwise, with zero degrees at the 3 o'clock position. -*/ -qreal QDeclarativePathInterpolator::angle() const -{ - return _angle; -} - -void QDeclarativePathInterpolator::_q_pathUpdated() -{ - if (! _path) - return; - - qreal angle = 0; - const QPointF pt = _path->sequentialPointAt(_progress, &angle); - - if (_x != pt.x()) { - _x = pt.x(); - emit xChanged(); - } - - if (_y != pt.y()) { - _y = pt.y(); - emit yChanged(); - } - - //convert to clockwise - angle = qreal(360) - angle; - if (qFuzzyCompare(angle, qreal(360))) - angle = qreal(0); - - if (angle != _angle) { - _angle = angle; - emit angleChanged(); - } -} - -QT_END_NAMESPACE |