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/****************************************************************************
**
** Copyright (C) 2019 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Design Tooling
**
** 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.
**
****************************************************************************/
#pragma once
#include <QPointF>
#include <vector>
namespace DesignTools {
class Keyframe
{
public:
Keyframe();
Keyframe(const QPointF &position);
Keyframe(const QPointF &position, const QPointF &leftHandle, const QPointF &rightHandle);
bool hasLeftHandle() const;
bool hasRightHandle() const;
QPointF position() const;
QPointF leftHandle() const;
QPointF rightHandle() const;
void setPosition(const QPointF &pos);
void setLeftHandle(const QPointF &pos);
void setRightHandle(const QPointF &pos);
private:
QPointF m_position = QPointF();
QPointF m_leftHandle = QPointF();
QPointF m_rightHandle = QPointF();
};
class CurveSegment
{
public:
CurveSegment();
CurveSegment(const Keyframe &first, const Keyframe &last);
QPointF evaluate(double t) const;
private:
Keyframe m_left;
Keyframe m_right;
};
class AnimationCurve
{
public:
AnimationCurve();
AnimationCurve(const std::vector<Keyframe> &frames);
bool isValid() const;
std::vector<Keyframe> keyframes() const;
private:
std::vector<Keyframe> m_frames;
};
} // End namespace DesignTools.
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