| /**************************************************************************** |
| ** |
| ** 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 SURFACEOBJECT_P_H |
| #define SURFACEOBJECT_P_H |
| |
| #include "datavisualizationglobal_p.h" |
| #include "abstractobjecthelper_p.h" |
| #include "qsurfacedataproxy.h" |
| |
| #include <QtCore/QRect> |
| |
| QT_BEGIN_NAMESPACE_DATAVISUALIZATION |
| |
| class Surface3DRenderer; |
| class AxisRenderCache; |
| |
| class SurfaceObject : public AbstractObjectHelper |
| { |
| public: |
| enum SurfaceType { |
| SurfaceSmooth, |
| SurfaceFlat, |
| Undefined |
| }; |
| |
| enum DataDimension { |
| BothAscending = 0, |
| XDescending = 1, |
| ZDescending = 2, |
| BothDescending = XDescending | ZDescending |
| }; |
| Q_DECLARE_FLAGS(DataDimensions, DataDimension) |
| |
| public: |
| SurfaceObject(Surface3DRenderer *renderer); |
| virtual ~SurfaceObject(); |
| |
| void setUpData(const QSurfaceDataArray &dataArray, const QRect &space, |
| bool changeGeometry, bool polar, bool flipXZ = false); |
| void setUpSmoothData(const QSurfaceDataArray &dataArray, const QRect &space, |
| bool changeGeometry, bool polar, bool flipXZ = false); |
| void smoothUVs(const QSurfaceDataArray &dataArray, const QSurfaceDataArray &modelArray); |
| void coarseUVs(const QSurfaceDataArray &dataArray, const QSurfaceDataArray &modelArray); |
| void updateCoarseRow(const QSurfaceDataArray &dataArray, int rowIndex, bool polar); |
| void updateSmoothRow(const QSurfaceDataArray &dataArray, int startRow, bool polar); |
| void updateSmoothItem(const QSurfaceDataArray &dataArray, int row, int column, bool polar); |
| void updateCoarseItem(const QSurfaceDataArray &dataArray, int row, int column, bool polar); |
| void createSmoothIndices(int x, int y, int endX, int endY); |
| void createCoarseSubSection(int x, int y, int columns, int rows); |
| void createSmoothGridlineIndices(int x, int y, int endX, int endY); |
| void createCoarseGridlineIndices(int x, int y, int endX, int endY); |
| void uploadBuffers(); |
| GLuint gridElementBuf(); |
| GLuint uvBuf(); |
| GLuint gridIndexCount(); |
| QVector3D vertexAt(int column, int row); |
| void clear(); |
| float minYValue() const { return m_minY; } |
| float maxYValue() const { return m_maxY; } |
| inline void activateSurfaceTexture(bool value) { m_returnTextureBuffer = value; } |
| |
| private: |
| void createCoarseIndices(GLint *indices, int &p, int row, int upperRow, int j); |
| void createNormals(int &p, int row, int upperRow, int j); |
| void createSmoothNormalBodyLine(int &totalIndex, int column); |
| void createSmoothNormalUpperLine(int &totalIndex); |
| QVector3D createSmoothNormalBodyLineItem(int x, int y); |
| QVector3D createSmoothNormalUpperLineItem(int x, int y); |
| QVector3D normal(const QVector3D &a, const QVector3D &b, const QVector3D &c); |
| void createBuffers(const QVector<QVector3D> &vertices, const QVector<QVector2D> &uvs, |
| const QVector<QVector3D> &normals, const GLint *indices); |
| void checkDirections(const QSurfaceDataArray &array); |
| inline void getNormalizedVertex(const QSurfaceDataItem &data, QVector3D &vertex, bool polar, |
| bool flipXZ); |
| |
| private: |
| SurfaceType m_surfaceType; |
| int m_columns; |
| int m_rows; |
| GLuint m_gridElementbuffer; |
| GLuint m_gridIndexCount; |
| QVector<QVector3D> m_vertices; |
| QVector<QVector3D> m_normals; |
| // Caches are not owned |
| AxisRenderCache &m_axisCacheX; |
| AxisRenderCache &m_axisCacheY; |
| AxisRenderCache &m_axisCacheZ; |
| Surface3DRenderer *m_renderer; |
| float m_minY; |
| float m_maxY; |
| GLuint m_uvTextureBuffer; |
| bool m_returnTextureBuffer; |
| SurfaceObject::DataDimensions m_dataDimension; |
| SurfaceObject::DataDimensions m_oldDataDimension; |
| }; |
| |
| QT_END_NAMESPACE_DATAVISUALIZATION |
| |
| #endif |