examples/script/context2d/domimage.cpp
author Alex Gilkes <alex.gilkes@nokia.com>
Mon, 11 Jan 2010 14:00:40 +0000
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/****************************************************************************
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**
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "domimage.h"
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#include <QVariant>
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#include <qscriptcontext.h>
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QScriptValue DomImage::s_self;
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DomImage::DomImage()
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{
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}
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int DomImage::width() const
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{
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    return m_image.width();
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}
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int DomImage::height() const
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{
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    return m_image.height();
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}
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QString DomImage::src() const
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{
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    return m_src;
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}
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void DomImage::setSrc(const QString &src)
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{
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    m_src = src;
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    m_image = QImage(m_src);
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}
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QString DomImage::name() const
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{
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    return m_src;
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}
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static QScriptValue Image(QScriptContext *context, QScriptEngine *env)
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{
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    QScriptValue val = context->thisObject();
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    DomImage *image = new DomImage();
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    QScriptValue klass = env->newVariant(qVariantFromValue(image));
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    klass.setPrototype(DomImage::s_self);
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    return klass;
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}
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static QScriptValue width(QScriptContext *context, QScriptEngine *)
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{
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    QScriptValue val = context->thisObject();
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    DomImage *image = qvariant_cast<DomImage*> (val.toVariant());
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    if (image)
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        return image->width();
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    return 0;
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}
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static QScriptValue height(QScriptContext *context, QScriptEngine *)
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{
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    QScriptValue val = context->thisObject();
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    DomImage *image = qvariant_cast<DomImage*> (val.toVariant());
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    if (image)
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        return image->height();
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    return 0;
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}
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static QScriptValue setSrc(QScriptContext *context, QScriptEngine *env)
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{
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    QScriptValue val = context->thisObject();
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    QString src  = context->argument(0).toString();
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    DomImage *image = qvariant_cast<DomImage*> (val.toVariant());
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    if (image)
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        image->setSrc(src);
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    return env->undefinedValue();
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}
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static QScriptValue name(QScriptContext *context, QScriptEngine *)
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{
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    QScriptValue val = context->thisObject();
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    DomImage *image = qvariant_cast<DomImage*> (val.toVariant());
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    if (image)
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        return image->name();
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    return QString();
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}
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void DomImage::setup(QScriptEngine *e)
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{
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    qRegisterMetaType<DomImage>();
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    e->globalObject().setProperty("Image",
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                                  e->newFunction(::Image, 0));
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    s_self = e->newObject();
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    s_self.setProperty("setSrc", e->newFunction(&::setSrc, 1));
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    s_self.setProperty("width", e->newFunction(&::width));
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    s_self.setProperty("height", e->newFunction(&::height));
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    s_self.setProperty("name", e->newFunction(&::name));
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    e->setDefaultPrototype(qMetaTypeId<DomImage>(), s_self);
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}