Extract Particles code to an independent library

QtQuick clients that do not use particles features should not have
to load these classes.

Task-number: QTBUG-25178
Change-Id: Ib15f7655dc4d821595e06f9160d2770375279027
Reviewed-by: Glenn Watson <glenn.watson@nokia.com>

1 files changed, 0 insertions, 131 deletions

diff --git a/src/quick/particles/qquicktargetdirection.cpp b/src/quick/particles/qquicktargetdirection.cpp
deleted file mode 100644
index 695684dfde..0000000000
--- a/src/quick/particles/qquicktargetdirection.cpp
+++ /dev/null
@@ -1,131 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: http://www.qt-project.org/
-**
-** This file is part of the QtQuick 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 "qquicktargetdirection_p.h"
-#include "qquickparticleemitter_p.h"
-#include <cmath>
-#include <QDebug>
-
-QT_BEGIN_NAMESPACE
-/*!
-    \qmlclass TargetDirection QQuickTargetDirection
-    \inqmlmodule QtQuick.Particles 2
-    \inherits Direction
-    \brief The TargetDirection element allows you to specify a direction towards the target point
-
-*/
-/*!
-    \qmlproperty real QtQuick.Particles2::TargetDirection::targetX
-*/
-/*!
-    \qmlproperty real QtQuick.Particles2::TargetDirection::targetY
-*/
-/*!
-    \qmlproperty Item QtQuick.Particles2::TargetDirection::targetItem
-    If specified, this will take precedence over targetX and targetY.
-    The targeted point will be the center of the specified Item
-*/
-/*!
-    \qmlproperty real QtQuick.Particles2::TargetDirection::targetVariation
-*/
-/*!
-    \qmlproperty real QtQuick.Particles2::TargetDirection::magnitude
-*/
-/*!
-    \qmlproperty real QtQuick.Particles2::TargetDirection::magnitudeVariation
-*/
-/*!
-    \qmlproperty bool QtQuick.Particles2::TargetDirection::proportionalMagnitude
-
-    If true, then the value of magnitude and magnitudeVariation shall be interpreted as multiples
-    of the distance between the source point and the target point, per second.
-
-    If false(default), then the value of magnitude and magnitudeVariation shall be interpreted as
-    pixels per second.
-*/
-
-QQuickTargetDirection::QQuickTargetDirection(QObject *parent) :
-    QQuickDirection(parent)
-  , m_targetX(0)
-  , m_targetY(0)
-  , m_targetVariation(0)
-  , m_proportionalMagnitude(false)
-  , m_magnitude(0)
-  , m_magnitudeVariation(0)
-  , m_targetItem(0)
-{
-}
-
-const QPointF QQuickTargetDirection::sample(const QPointF &from)
-{
-    //###This approach loses interpolating the last position of the target (like we could with the emitter) is it worthwhile?
-    QPointF ret;
-    qreal targetX;
-    qreal targetY;
-    if (m_targetItem){
-        QQuickParticleEmitter* parentEmitter = qobject_cast<QQuickParticleEmitter*>(parent());
-        targetX = m_targetItem->width()/2;
-        targetY = m_targetItem->height()/2;
-        if (!parentEmitter){
-            qWarning() << "Directed vector is not a child of the emitter. Mapping of target item coordinates may fail.";
-            targetX += m_targetItem->x();
-            targetY += m_targetItem->y();
-        }else{
-            ret = parentEmitter->mapFromItem(m_targetItem, QPointF(targetX, targetY));
-            targetX = ret.x();
-            targetY = ret.y();
-        }
-    }else{
-        targetX = m_targetX;
-        targetY = m_targetY;
-    }
-    targetX += 0 - from.x() - m_targetVariation + rand()/(float)RAND_MAX * m_targetVariation*2;
-    targetY += 0 - from.y() - m_targetVariation + rand()/(float)RAND_MAX * m_targetVariation*2;
-    qreal theta = atan2(targetY, targetX);
-    qreal mag = m_magnitude + rand()/(float)RAND_MAX * m_magnitudeVariation * 2 - m_magnitudeVariation;
-    if (m_proportionalMagnitude)
-        mag *= sqrt(targetX * targetX + targetY * targetY);
-    ret.setX(mag * cos(theta));
-    ret.setY(mag * sin(theta));
-    return ret;
-}
-
-QT_END_NAMESPACE