diff options
author | Matthew Vogt <matthew.vogt@nokia.com> | 2012-04-11 16:54:33 +1000 |
---|---|---|
committer | Qt by Nokia <qt-info@nokia.com> | 2012-04-16 01:25:54 +0200 |
commit | f189b8934dc405cbd45258abc5aba2713428b1cc (patch) | |
tree | dd3d4f61c7337343705faf7a603585c287b8ae50 /src/particles/qquicklineextruder.cpp | |
parent | e00c40a89a1172add896e86e805a7cd42a4ea0c5 (diff) |
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>
Diffstat (limited to 'src/particles/qquicklineextruder.cpp')
-rw-r--r-- | src/particles/qquicklineextruder.cpp | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/particles/qquicklineextruder.cpp b/src/particles/qquicklineextruder.cpp new file mode 100644 index 0000000000..f555de3f72 --- /dev/null +++ b/src/particles/qquicklineextruder.cpp @@ -0,0 +1,85 @@ +/**************************************************************************** +** +** 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 "qquicklineextruder_p.h" +#include <stdlib.h> +#include <cmath> + +/*! + \qmlclass LineShape QQuickLineExtruder + \inqmlmodule QtQuick.Particles 2 + \inherits Shape + \brief The LineShape represents a line to Affectors and Emitter + +*/ + +/*! + \qmlproperty bool QtQuick.Particles2::LineShape::mirrored + + By default, the line goes from (0,0) to (width, height) of the item that + this shape is being applied to. + + If mirrored is set to true, this will be mirrored along the y axis. + The line will then go from (0,height) to (width, 0). +*/ + +QQuickLineExtruder::QQuickLineExtruder(QObject *parent) : + QQuickParticleExtruder(parent), m_mirrored(false) +{ +} + +QPointF QQuickLineExtruder::extrude(const QRectF &r) +{ + qreal x,y; + if (!r.height()){ + x = r.width() * ((qreal)rand())/RAND_MAX; + y = 0; + }else{ + y = r.height() * ((qreal)rand())/RAND_MAX; + if (!r.width()){ + x = 0; + }else{ + x = r.width()/r.height() * y; + if (m_mirrored) + x = r.width() - x; + } + } + return QPointF(x,y); +} |