| /**************************************************************************** |
| ** |
| ** 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 DATAVISUALIZATIONGLOBAL_P_H |
| #define DATAVISUALIZATIONGLOBAL_P_H |
| |
| #include "qdatavisualizationglobal.h" |
| #include <QtGui/QOpenGLFunctions> |
| #include <QtGui/QVector3D> |
| #include <QtGui/QQuaternion> |
| #include <QtCore/QDebug> |
| |
| QT_BEGIN_NAMESPACE_DATAVISUALIZATION |
| |
| // Constants used in several files |
| // Distance from camera to origin |
| static const GLfloat cameraDistance = 6.0f; |
| // Size of font to be used in label texture rendering. Doesn't affect the actual font size. |
| static const int textureFontSize = 50; |
| static const GLfloat defaultRatio = 1.0f / 1.6f; // default aspect ratio 16:10 |
| #if !(defined QT_OPENGL_ES) |
| static const float gridLineOffset = 0.0001f; // Offset for lifting grid lines off background |
| #else |
| static const float gridLineOffset = 0.0035f; // Offset for lifting grid lines off background |
| #endif |
| // Default light position. To have shadows working correctly, light should be as far as camera, or a bit further |
| // y position is added to the minimum height (or can be thought to be that much above or below the camera) |
| static const QVector3D defaultLightPos = QVector3D(0.0f, 0.5f, 0.0f); |
| static const QVector3D zeroVector = QVector3D(0.0f, 0.0f, 0.0f); |
| static const QVector3D oneVector = QVector3D(1.0f, 1.0f, 1.0f); |
| static const QVector3D upVector = QVector3D(0.0f, 1.0f, 0.0f); |
| static const QVector3D cameraDistanceVector = QVector3D(0.0f, 0.0f, cameraDistance); |
| static const QQuaternion identityQuaternion; |
| |
| // Skip color == selection texture's background color |
| static const QVector4D selectionSkipColor = QVector4D(255.0f, 255.0f, 255.0f, 255.0f); |
| static const QVector4D invalidColorVector = QVector4D(-1.0f, -1.0f, -1.0f, -1.0f); |
| static const GLfloat itemAlpha = 0.0f; |
| static const GLfloat customItemAlpha = 252.0f; |
| static const GLfloat labelValueAlpha = 253.0f; |
| static const GLfloat labelRowAlpha = 254.0f; |
| static const GLfloat labelColumnAlpha = 255.0f; |
| static const GLfloat gradientTextureHeight = 1024.0f; |
| static const GLfloat gradientTextureWidth = 2.0f; |
| static const GLfloat uniformTextureHeight = 64.0f; |
| static const GLfloat uniformTextureWidth = 2.0f; |
| static const GLfloat labelMargin = 0.05f; |
| static const GLfloat gridLineWidth = 0.005f; |
| |
| QT_END_NAMESPACE_DATAVISUALIZATION |
| |
| #endif |