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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef MASKEXTRUDER_H
#define MASKEXTRUDER_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qquickparticleextruder_p.h"
#include <private/qquickpixmap_p.h>
#include <QUrl>
#include <QImage>
QT_BEGIN_NAMESPACE
class Q_QUICKPARTICLES_EXPORT QQuickMaskExtruder : public QQuickParticleExtruder
{
Q_OBJECT
Q_PROPERTY(QUrl source READ source WRITE setSource NOTIFY sourceChanged)
QML_NAMED_ELEMENT(MaskShape)
QML_ADDED_IN_VERSION(2, 0)
public:
explicit QQuickMaskExtruder(QObject *parent = nullptr);
QPointF extrude(const QRectF &) override;
bool contains(const QRectF &bounds, const QPointF &point) override;
QUrl source() const
{
return m_source;
}
Q_SIGNALS:
void sourceChanged(const QUrl &arg);
public Q_SLOTS:
void setSource(const QUrl &arg);
private Q_SLOTS:
void startMaskLoading();
void finishMaskLoading();
private:
QUrl m_source;
void ensureInitialized(const QRectF &r);
int m_lastWidth;
int m_lastHeight;
QQuickPixmap m_pix;
QImage m_img;
QList<QPointF> m_mask;//TODO: More memory efficient datastructures
//Perhaps just the mask for the largest bounds is stored, and interpolate up
};
QT_END_NAMESPACE
#endif // MASKEXTRUDER_H
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