| 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 UTILS_P_H |
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| 15 | #define UTILS_P_H |
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| 16 | |
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| 17 | #include "datavisualizationglobal_p.h" |
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| 18 | |
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| 19 | QT_FORWARD_DECLARE_CLASS(QLinearGradient) |
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| 20 | |
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| 21 | QT_BEGIN_NAMESPACE |
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| 22 | |
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| 23 | class Utils |
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| 24 | { |
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| 25 | public: |
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| 26 | enum ParamType { |
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| 27 | ParamTypeUnknown = 0, |
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| 28 | ParamTypeInt, |
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| 29 | ParamTypeUInt, |
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| 30 | ParamTypeReal |
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| 31 | }; |
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| 32 | |
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| 33 | static GLuint getNearestPowerOfTwo(GLuint value); |
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| 34 | static QVector4D vectorFromColor(const QColor &color); |
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| 35 | static QColor colorFromVector(const QVector3D &colorVector); |
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| 36 | static QColor colorFromVector(const QVector4D &colorVector); |
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| 37 | static QImage printTextToImage(const QFont &font, |
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| 38 | const QString &text, |
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| 39 | const QColor &bgrColor, |
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| 40 | const QColor &txtColor, |
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| 41 | bool labelBackground, |
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| 42 | bool borders = false, |
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| 43 | int maxLabelWidth = 0); |
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| 44 | static QVector4D getSelection(QPoint mousepos, int height); |
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| 45 | static QImage getGradientImage(QLinearGradient &gradient); |
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| 46 | |
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| 47 | static ParamType preParseFormat(const QString &format, QString &preStr, QString &postStr, |
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| 48 | int &precision, char &formatSpec); |
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| 49 | static QString formatLabelSprintf(const QByteArray &format, ParamType paramType, qreal value); |
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| 50 | static QString formatLabelLocalized(ParamType paramType, qreal value, |
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| 51 | const QLocale &locale, const QString &preStr, const QString &postStr, |
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| 52 | int precision, char formatSpec, const QByteArray &format); |
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| 53 | static QString defaultLabelFormat(); |
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| 54 | |
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| 55 | static float wrapValue(float value, float min, float max); |
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| 56 | static QQuaternion calculateRotation(const QVector3D &xyzRotations); |
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| 57 | static bool isOpenGLES(); |
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| 58 | static void resolveStatics(); |
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| 59 | |
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| 60 | private: |
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| 61 | static ParamType mapFormatCharToParamType(char formatSpec); |
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| 62 | }; |
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| 63 | |
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| 64 | QT_END_NAMESPACE |
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| 65 | |
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| 66 | #endif |
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| 67 | |
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