| /**************************************************************************** |
| ** |
| ** 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 UTILS_P_H |
| #define UTILS_P_H |
| |
| #include "datavisualizationglobal_p.h" |
| |
| QT_FORWARD_DECLARE_CLASS(QLinearGradient) |
| |
| QT_BEGIN_NAMESPACE_DATAVISUALIZATION |
| |
| class Utils |
| { |
| public: |
| enum ParamType { |
| ParamTypeUnknown = 0, |
| ParamTypeInt, |
| ParamTypeUInt, |
| ParamTypeReal |
| }; |
| |
| static GLuint getNearestPowerOfTwo(GLuint value); |
| static QVector4D vectorFromColor(const QColor &color); |
| static QColor colorFromVector(const QVector3D &colorVector); |
| static QColor colorFromVector(const QVector4D &colorVector); |
| static QImage printTextToImage(const QFont &font, |
| const QString &text, |
| const QColor &bgrColor, |
| const QColor &txtColor, |
| bool labelBackground, |
| bool borders = false, |
| int maxLabelWidth = 0); |
| static QVector4D getSelection(QPoint mousepos, int height); |
| static QImage getGradientImage(QLinearGradient &gradient); |
| |
| static ParamType preParseFormat(const QString &format, QString &preStr, QString &postStr, |
| int &precision, char &formatSpec); |
| static QString formatLabelSprintf(const QByteArray &format, ParamType paramType, qreal value); |
| static QString formatLabelLocalized(ParamType paramType, qreal value, |
| const QLocale &locale, const QString &preStr, const QString &postStr, |
| int precision, char formatSpec, const QByteArray &format); |
| static QString defaultLabelFormat(); |
| |
| static float wrapValue(float value, float min, float max); |
| static QQuaternion calculateRotation(const QVector3D &xyzRotations); |
| static bool isOpenGLES(); |
| static void resolveStatics(); |
| |
| private: |
| static ParamType mapFormatCharToParamType(char formatSpec); |
| }; |
| |
| QT_END_NAMESPACE_DATAVISUALIZATION |
| |
| #endif |