| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt Charts 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 Qt Chart 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 DECLARATIVEOPENGLRENDERNODE_P_H |
| #define DECLARATIVEOPENGLRENDERNODE_P_H |
| |
| #include <private/declarativeabstractrendernode_p.h> |
| |
| #include <QtCharts/QChartGlobal> |
| #include <private/glxyseriesdata_p.h> |
| #include <QtQuick/QSGImageNode> |
| #include <QtQuick/QQuickWindow> |
| #include <QtGui/QOpenGLShaderProgram> |
| #include <QtGui/QOpenGLVertexArrayObject> |
| #include <QtGui/QOpenGLFunctions> |
| #include <QtGui/QOpenGLFramebufferObject> |
| #include <QtGui/QOpenGLBuffer> |
| |
| QT_CHARTS_BEGIN_NAMESPACE |
| |
| class DeclarativeOpenGLRenderNode : public QObject, public DeclarativeAbstractRenderNode, QOpenGLFunctions |
| { |
| Q_OBJECT |
| public: |
| DeclarativeOpenGLRenderNode(QQuickWindow *window); |
| ~DeclarativeOpenGLRenderNode(); |
| |
| void initGL(); |
| QSize textureSize() const override { return m_textureSize; } |
| void setTextureSize(const QSize &size) override; |
| |
| void setSeriesData(bool mapDirty, const GLXYDataMap &dataMap) override; |
| void setRect(const QRectF &rect) override; |
| void setAntialiasing(bool enable) override; |
| void addMouseEvents(const QVector<QMouseEvent *> &events) override; |
| void takeMouseEventResponses(QVector<MouseEventResponse> &responses) override; |
| |
| public Q_SLOTS: |
| void render(); |
| |
| private: |
| void renderGL(bool selection); |
| void renderSelection(); |
| void renderVisual(); |
| void recreateFBO(); |
| void cleanXYSeriesResources(const QXYSeries *series); |
| void handleMouseEvents(); |
| const QXYSeries *findSeriesAtEvent(QMouseEvent *event); |
| |
| QSGTexture *m_texture; |
| QSGImageNode *m_imageNode; |
| QQuickWindow *m_window; |
| QQuickWindow::CreateTextureOptions m_textureOptions; |
| QSize m_textureSize; |
| bool m_recreateFbo; |
| GLXYDataMap m_xyDataMap; |
| QOpenGLFramebufferObject *m_fbo; |
| QOpenGLFramebufferObject *m_resolvedFbo; |
| QOpenGLFramebufferObject *m_selectionFbo; |
| QOpenGLShaderProgram *m_program; |
| int m_shaderAttribLoc; |
| int m_colorUniformLoc; |
| int m_minUniformLoc; |
| int m_deltaUniformLoc; |
| int m_pointSizeUniformLoc; |
| int m_matrixUniformLoc; |
| QOpenGLVertexArrayObject m_vao; |
| QHash<const QAbstractSeries *, QOpenGLBuffer *> m_seriesBufferMap; |
| bool m_renderNeeded; |
| QRectF m_rect; |
| bool m_antialiasing; |
| QVector<QMouseEvent *> m_mouseEvents; |
| QVector<MouseEventResponse> m_mouseEventResponses; |
| bool m_selectionRenderNeeded; |
| QVector<const QXYSeries *> m_selectionVector; |
| QPoint m_mousePressPos; |
| bool m_mousePressed; |
| const QXYSeries *m_lastPressSeries; |
| const QXYSeries *m_lastHoverSeries; |
| }; |
| |
| QT_CHARTS_END_NAMESPACE |
| |
| #endif // DECLARATIVEOPENGLRENDERNODE_P_H |