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36
37#include "qquickcolor_p.h"
38
39QT_BEGIN_NAMESPACE
40
41QQuickColor::QQuickColor(QObject *parent) :
42 QObject(parent)
43{
44}
45
46QColor QQuickColor::transparent(const QColor &color, qreal opacity) const
47{
48 return QColor(color.red(), color.green(), color.blue(),
49 int(qreal(255) * qBound(min: qreal(0), val: opacity, max: qreal(1))));
50}
51
52QColor QQuickColor::blend(const QColor &a, const QColor &b, qreal factor) const
53{
54 if (factor <= 0.0)
55 return a;
56 if (factor >= 1.0)
57 return b;
58
59 QColor color;
60 color.setRedF(a.redF() * (1.0 - factor) + b.redF() * factor);
61 color.setGreenF(a.greenF() * (1.0 - factor) + b.greenF() * factor);
62 color.setBlueF(a.blueF() * (1.0 - factor) + b.blueF() * factor);
63 return color;
64}
65
66QT_END_NAMESPACE
67

source code of qtquickcontrols2/src/quickcontrols2/qquickcolor.cpp