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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtQuick module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QQUICKSPRITESEQUENCE_P_H
#define QQUICKSPRITESEQUENCE_P_H
#include <QtQuick/QQuickItem>
#include <QTime>
QT_BEGIN_NAMESPACE
class QSGContext;
class QQuickSprite;
class QQuickSpriteEngine;
class QSGGeometryNode;
class QQuickSpriteSequenceMaterial;
class Q_AUTOTEST_EXPORT QQuickSpriteSequence : public QQuickItem
{
Q_OBJECT
Q_PROPERTY(bool running READ running WRITE setRunning NOTIFY runningChanged)
Q_PROPERTY(bool interpolate READ interpolate WRITE setInterpolate NOTIFY interpolateChanged)
Q_PROPERTY(QString goalSprite READ goalSprite WRITE setGoalSprite NOTIFY goalSpriteChanged)
Q_PROPERTY(QString currentSprite READ currentSprite NOTIFY currentSpriteChanged)
//###try to share similar spriteEngines for less overhead?
Q_PROPERTY(QQmlListProperty<QQuickSprite> sprites READ sprites)
Q_CLASSINFO("DefaultProperty", "sprites")
public:
explicit QQuickSpriteSequence(QQuickItem *parent = 0);
QQmlListProperty<QQuickSprite> sprites();
bool running() const
{
return m_running;
}
bool interpolate() const
{
return m_interpolate;
}
QString goalSprite() const
{
return m_goalState;
}
QString currentSprite() const
{
return m_curState;
}
Q_SIGNALS:
void runningChanged(bool arg);
void interpolateChanged(bool arg);
void goalSpriteChanged(const QString &arg);
void currentSpriteChanged(const QString &arg);
public Q_SLOTS:
void jumpTo(const QString &sprite);
void setGoalSprite(const QString &sprite);
void setRunning(bool arg)
{
if (m_running != arg) {
m_running = arg;
Q_EMIT runningChanged(arg);
}
}
void setInterpolate(bool arg)
{
if (m_interpolate != arg) {
m_interpolate = arg;
Q_EMIT interpolateChanged(arg);
}
}
private Q_SLOTS:
void createEngine();
void sizeVertices();
protected:
void reset();
QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *);
private:
void prepareNextFrame();
QSGGeometryNode* buildNode();
QSGGeometryNode *m_node;
QQuickSpriteSequenceMaterial *m_material;
QList<QQuickSprite*> m_sprites;
QQuickSpriteEngine* m_spriteEngine;
QTime m_timestamp;
int m_curFrame;
bool m_pleaseReset;
bool m_running;
bool m_interpolate;
QString m_goalState;
QString m_curState;
int m_curStateIdx;
QSizeF m_sheetSize;
};
QT_END_NAMESPACE
#endif // QQUICKSPRITESEQUENCE_P_H
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