| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt Data Visualization module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL$ |
| ** 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 or (at your option) any later version |
| ** approved by the KDE Free Qt Foundation. The licenses are as published by |
| ** the Free Software Foundation and appearing in the file LICENSE.GPL3 |
| ** 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. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| // |
| // 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 SCATTERPOINTBUFFERHELPER_P_H |
| #define SCATTERPOINTBUFFERHELPER_P_H |
| |
| #include "datavisualizationglobal_p.h" |
| #include "abstractobjecthelper_p.h" |
| #include "scatterseriesrendercache_p.h" |
| |
| QT_BEGIN_NAMESPACE_DATAVISUALIZATION |
| |
| class ScatterPointBufferHelper : public AbstractObjectHelper |
| { |
| public: |
| ScatterPointBufferHelper(); |
| virtual ~ScatterPointBufferHelper(); |
| |
| GLuint pointBuf(); |
| |
| void pushPoint(uint pointIndex); |
| void popPoint(); |
| void load(ScatterSeriesRenderCache *cache); |
| void update(ScatterSeriesRenderCache *cache); |
| void setScaleY(float scale) { m_scaleY = scale; } |
| void updateUVs(ScatterSeriesRenderCache *cache); |
| |
| public: |
| GLuint m_pointbuffer; |
| |
| private: |
| void createRangeGradientUVs(ScatterSeriesRenderCache *cache, |
| QVector<QVector2D> &buffered_uvs); |
| |
| private: |
| QVector<QVector3D> m_bufferedPoints; |
| int m_oldRemoveIndex; |
| float m_scaleY; |
| }; |
| |
| QT_END_NAMESPACE_DATAVISUALIZATION |
| |
| #endif |