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/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef ROWTIMELINEPROPERTYGRAPH_H
#define ROWTIMELINEPROPERTYGRAPH_H
#include "Qt3DSDMAnimation.h"
#include "RowTypes.h"
#include "TimelineConstants.h"
#include "Bindings/Qt3DSDMTimelineKeyframe.h"
#include <QtCore/qobject.h>
#include <QtCore/qtimer.h>
#include <QtCore/qset.h>
QT_FORWARD_DECLARE_CLASS(QPainter);
class RowTimeline;
class ITimelineItemProperty;
namespace qt3dsdm {
class IAnimationCore;
class Qt3DSDMAnimationHandle;
}
class RowTimelinePropertyGraph : public QObject
{
Q_OBJECT
public:
explicit RowTimelinePropertyGraph(QObject *parent = nullptr);
TimelineControlType getClickedBezierControl(const QPointF &pos, bool isHover = false);
void paintGraphs(QPainter *painter, const QRectF &rect);
void updateBezierControlValue(TimelineControlType controlType, const QPointF &scenePos);
void adjustScale(const QPointF &scenePos, bool isIncrement);
void startPan();
void pan(qreal dy);
void fitGraph();
void commitBezierEdit();
void setExpandHeight(int h);
void selectBezierKeyframesInRange(const QRectF &rect);
void deselectAllBezierKeyframes();
void updateChannelFiltering(const QVector<bool> &activeChannels);
private:
enum class BezierControlType {None, In, Out};
QPointF getBezierControlPosition(const qt3dsdm::SBezierKeyframe &kf,
BezierControlType type = BezierControlType::None) const;
QPointF getKeyframePosition(long time, float value) const;
void checkValScaleLimits();
void adjustColorProperty(float &val, bool scaleUp = true) const;
std::pair<qt3dsdm::Qt3DSDMKeyframeHandle, qt3dsdm::TKeyframe> m_currKeyframeData;
RowTimeline *m_rowTimeline = nullptr;
ITimelineItemProperty *m_propBinding = nullptr;
qt3dsdm::IAnimationCore *m_animCore = nullptr;
float m_valScale = .5f;
qreal m_graphY = 0;
qreal m_graphYPanInit = 0; // value of graph_y when panning starts
int m_expandHeight = TimelineConstants::ROW_GRAPH_H; // height when expanded
qt3dsdm::Qt3DSDMKeyframeHandle m_hoveredBezierKeyframe;
QSet<qt3dsdm::Qt3DSDMKeyframeHandle> m_selectedBezierKeyframes;
QVector<qt3dsdm::Qt3DSDMAnimationHandle> m_activeChannels; // active channels anim. handles
QVector<int> m_activeChannelsIndex;
QTimer m_fitCurveTimer;
};
#endif // ROWTIMELINEPROPERTYGRAPH_H
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