scatterobjectbufferhelper_p.h

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// Copyright (C) 2016 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

//

//  W A R N I N G

//  -------------

//

// This file is not part of the QtDataVisualization 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.

#ifndef SCATTEROBJECTBUFFERHELPER_P_H

#define SCATTEROBJECTBUFFERHELPER_P_H

#include "datavisualizationglobal_p.h"

#include "abstractobjecthelper_p.h"

#include "scatterseriesrendercache_p.h"

QT_BEGIN_NAMESPACE

class ScatterObjectBufferHelper : public AbstractObjectHelper

public:

    ScatterObjectBufferHelper();

    virtual ~ScatterObjectBufferHelper();

    void fullLoad(ScatterSeriesRenderCache *cache, qreal dotScale);

    void update(ScatterSeriesRenderCache *cache, qreal dotScale);

    void updateUVs(ScatterSeriesRenderCache *cache);

    void setScaleY(float scale) { m_scaleY = scale; }

private:

    uint createRangeGradientUVs(ScatterSeriesRenderCache *cache, QList<QVector2D> &buffered_uvs);

    uint createObjectGradientUVs(ScatterSeriesRenderCache *cache, QList<QVector2D> &buffered_uvs,

                                 const QList<QVector3D> &indexed_vertices);

    float m_scaleY;

    static const GLfloat itemScaler;

};

QT_END_NAMESPACE

#endif