| /**************************************************************************** |
| ** |
| ** 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 DRAWER_P_H |
| #define DRAWER_P_H |
| |
| #include "datavisualizationglobal_p.h" |
| #include "q3dbars.h" |
| #include "q3dtheme.h" |
| #include "labelitem_p.h" |
| #include "abstractrenderitem_p.h" |
| |
| QT_BEGIN_NAMESPACE_DATAVISUALIZATION |
| |
| class ShaderHelper; |
| class ObjectHelper; |
| class AbstractObjectHelper; |
| class SurfaceObject; |
| class TextureHelper; |
| class Q3DCamera; |
| class Abstract3DRenderer; |
| class ScatterPointBufferHelper; |
| |
| class Drawer : public QObject, public QOpenGLFunctions |
| { |
| Q_OBJECT |
| |
| public: |
| enum LabelPosition { |
| LabelBelow = 0, |
| LabelLow, |
| LabelMid, |
| LabelHigh, |
| LabelOver, |
| LabelBottom, // Absolute positions from here onward, used for axes (QDataItem is ignored) |
| LabelTop, |
| LabelLeft, |
| LabelRight |
| }; |
| |
| public: |
| explicit Drawer(Q3DTheme *theme); |
| ~Drawer(); |
| |
| void initializeOpenGL(); |
| |
| void setTheme(Q3DTheme *theme); |
| Q3DTheme *theme() const; |
| QFont font() const; |
| inline GLfloat scaledFontSize() const { return m_scaledFontSize; } |
| |
| void drawObject(ShaderHelper *shader, AbstractObjectHelper *object, GLuint textureId = 0, |
| GLuint depthTextureId = 0, GLuint textureId3D = 0); |
| void drawSelectionObject(ShaderHelper *shader, AbstractObjectHelper *object); |
| void drawSurfaceGrid(ShaderHelper *shader, SurfaceObject *object); |
| void drawPoint(ShaderHelper *shader); |
| void drawPoints(ShaderHelper *shader, ScatterPointBufferHelper *object, GLuint textureId); |
| void drawLine(ShaderHelper *shader); |
| void drawLabel(const AbstractRenderItem &item, const LabelItem &labelItem, |
| const QMatrix4x4 &viewmatrix, const QMatrix4x4 &projectionmatrix, |
| const QVector3D &positionComp, const QQuaternion &rotation, GLfloat itemHeight, |
| QAbstract3DGraph::SelectionFlags mode, ShaderHelper *shader, ObjectHelper *object, |
| const Q3DCamera *camera, bool useDepth = false, bool rotateAlong = false, |
| LabelPosition position = LabelOver, |
| Qt::Alignment alignment = Qt::AlignCenter, bool isSlicing = false, |
| bool isSelecting = false); |
| |
| void generateSelectionLabelTexture(Abstract3DRenderer *item); |
| void generateLabelItem(LabelItem &item, const QString &text, int widestLabel = 0); |
| |
| Q_SIGNALS: |
| void drawerChanged(); |
| |
| private: |
| Q3DTheme *m_theme; |
| TextureHelper *m_textureHelper; |
| GLuint m_pointbuffer; |
| GLuint m_linebuffer; |
| GLfloat m_scaledFontSize; |
| }; |
| |
| QT_END_NAMESPACE_DATAVISUALIZATION |
| |
| #endif |