| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only |
| 3 | |
| 4 | // |
| 5 | // W A R N I N G |
| 6 | // ------------- |
| 7 | // |
| 8 | // This file is not part of the QtDataVisualization API. It exists purely as an |
| 9 | // implementation detail. This header file may change from version to |
| 10 | // version without notice, or even be removed. |
| 11 | // |
| 12 | // We mean it. |
| 13 | |
| 14 | #ifndef SCATTERPOINTBUFFERHELPER_P_H |
| 15 | #define SCATTERPOINTBUFFERHELPER_P_H |
| 16 | |
| 17 | #include "datavisualizationglobal_p.h" |
| 18 | #include "abstractobjecthelper_p.h" |
| 19 | #include "scatterseriesrendercache_p.h" |
| 20 | |
| 21 | QT_BEGIN_NAMESPACE |
| 22 | |
| 23 | class ScatterPointBufferHelper : public AbstractObjectHelper |
| 24 | { |
| 25 | public: |
| 26 | ScatterPointBufferHelper(); |
| 27 | virtual ~ScatterPointBufferHelper(); |
| 28 | |
| 29 | GLuint pointBuf(); |
| 30 | |
| 31 | void pushPoint(uint pointIndex); |
| 32 | void popPoint(); |
| 33 | void load(ScatterSeriesRenderCache *cache); |
| 34 | void update(ScatterSeriesRenderCache *cache); |
| 35 | void setScaleY(float scale) { m_scaleY = scale; } |
| 36 | void updateUVs(ScatterSeriesRenderCache *cache); |
| 37 | |
| 38 | public: |
| 39 | GLuint m_pointbuffer; |
| 40 | |
| 41 | private: |
| 42 | void createRangeGradientUVs(ScatterSeriesRenderCache *cache, QList<QVector2D> &buffered_uvs); |
| 43 | |
| 44 | private: |
| 45 | QList<QVector3D> m_bufferedPoints; |
| 46 | int m_oldRemoveIndex; |
| 47 | float m_scaleY; |
| 48 | }; |
| 49 | |
| 50 | QT_END_NAMESPACE |
| 51 | |
| 52 | #endif |
| 53 |