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3** Copyright (C) 2016 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
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6** This file is part of the Qt Data Visualization module of the Qt Toolkit.
7**
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29
30//
31// W A R N I N G
32// -------------
33//
34// This file is not part of the QtDataVisualization API. It exists purely as an
35// implementation detail. This header file may change from version to
36// version without notice, or even be removed.
37//
38// We mean it.
39
40#ifndef SCATTEROBJECTBUFFERHELPER_P_H
41#define SCATTEROBJECTBUFFERHELPER_P_H
42
43#include "datavisualizationglobal_p.h"
44#include "abstractobjecthelper_p.h"
45#include "scatterseriesrendercache_p.h"
46
47QT_BEGIN_NAMESPACE_DATAVISUALIZATION
48
49class ScatterObjectBufferHelper : public AbstractObjectHelper
50{
51public:
52 ScatterObjectBufferHelper();
53 virtual ~ScatterObjectBufferHelper();
54
55 void fullLoad(ScatterSeriesRenderCache *cache, qreal dotScale);
56 void update(ScatterSeriesRenderCache *cache, qreal dotScale);
57 void updateUVs(ScatterSeriesRenderCache *cache);
58 void setScaleY(float scale) { m_scaleY = scale; }
59
60private:
61 uint createRangeGradientUVs(ScatterSeriesRenderCache *cache,
62 QVector<QVector2D> &buffered_uvs);
63 uint createObjectGradientUVs(ScatterSeriesRenderCache *cache,
64 QVector<QVector2D> &buffered_uvs,
65 const QVector<QVector3D> &indexed_vertices);
66
67 float m_scaleY;
68};
69
70QT_END_NAMESPACE_DATAVISUALIZATION
71
72#endif
73

source code of qtdatavis3d/src/datavisualization/utils/scatterobjectbufferhelper_p.h