1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Data Visualization module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
****************************************************************************/
//
// 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
|