| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only |
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| 3 | |
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| 4 | // |
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| 5 | // W A R N I N G |
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| 6 | // ------------- |
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| 7 | // |
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| 8 | // This file is not part of the QtDataVisualization API. It exists purely as an |
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| 9 | // implementation detail. This header file may change from version to |
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| 10 | // version without notice, or even be removed. |
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| 11 | // |
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| 12 | // We mean it. |
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| 13 | |
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| 14 | #ifndef DATAVISUALIZATIONGLOBAL_P_H |
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| 15 | #define DATAVISUALIZATIONGLOBAL_P_H |
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| 16 | |
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| 17 | #include "qdatavisualizationglobal.h" |
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| 18 | #include <QtGui/QOpenGLFunctions> |
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| 19 | #include <QtOpenGL/QOpenGLFramebufferObject> |
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| 20 | #include <QtGui/QVector3D> |
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| 21 | #include <QtGui/QQuaternion> |
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| 22 | #include <QtCore/QDebug> |
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| 23 | |
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| 24 | QT_BEGIN_NAMESPACE |
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| 25 | |
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| 26 | // Constants used in several files |
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| 27 | // Distance from camera to origin |
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| 28 | static const GLfloat cameraDistance = 6.0f; |
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| 29 | // Size of font to be used in label texture rendering. Doesn't affect the actual font size. |
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| 30 | static const int textureFontSize = 50; |
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| 31 | static const GLfloat defaultRatio = 1.0f / 1.6f; // default aspect ratio 16:10 |
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| 32 | #if !(defined QT_OPENGL_ES) |
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| 33 | static const float gridLineOffset = 0.0001f; // Offset for lifting grid lines off background |
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| 34 | #else |
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| 35 | static const float gridLineOffset = 0.0035f; // Offset for lifting grid lines off background |
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| 36 | #endif |
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| 37 | // Default light position. To have shadows working correctly, light should be as far as camera, or a bit further |
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| 38 | // y position is added to the minimum height (or can be thought to be that much above or below the camera) |
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| 39 | static const QVector3D defaultLightPos = QVector3D(0.0f, 0.5f, 0.0f); |
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| 40 | static const QVector3D zeroVector = QVector3D(0.0f, 0.0f, 0.0f); |
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| 41 | static const QVector3D oneVector = QVector3D(1.0f, 1.0f, 1.0f); |
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| 42 | static const QVector3D upVector = QVector3D(0.0f, 1.0f, 0.0f); |
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| 43 | static const QVector3D cameraDistanceVector = QVector3D(0.0f, 0.0f, cameraDistance); |
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| 44 | static const QQuaternion identityQuaternion; |
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| 45 | |
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| 46 | // Skip color == selection texture's background color |
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| 47 | static const QVector4D selectionSkipColor = QVector4D(255.0f, 255.0f, 255.0f, 255.0f); |
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| 48 | static const QVector4D invalidColorVector = QVector4D(-1.0f, -1.0f, -1.0f, -1.0f); |
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| 49 | static const GLfloat itemAlpha = 0.0f; |
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| 50 | static const GLfloat customItemAlpha = 252.0f; |
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| 51 | static const GLfloat labelValueAlpha = 253.0f; |
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| 52 | static const GLfloat labelRowAlpha = 254.0f; |
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| 53 | static const GLfloat labelColumnAlpha = 255.0f; |
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| 54 | static const GLfloat gradientTextureHeight = 1024.0f; |
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| 55 | static const GLfloat gradientTextureWidth = 2.0f; |
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| 56 | static const GLfloat uniformTextureHeight = 64.0f; |
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| 57 | static const GLfloat uniformTextureWidth = 2.0f; |
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| 58 | static const GLfloat labelMargin = 0.05f; |
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| 59 | static const GLfloat gridLineWidth = 0.005f; |
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| 60 | |
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| 61 | QT_END_NAMESPACE |
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| 62 | |
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| 63 | #endif |
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| 64 | |
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