include/QtWidgets/qcolormap.h

0001 // Copyright (C) 2016 The Qt Company Ltd.
0002 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
0003
0004 #ifndef QCOLORMAP_H
0005 #define QCOLORMAP_H
0006
0007 #include <QtWidgets/qtwidgetsglobal.h>
0008 #include <QtGui/qrgb.h>
0009 #include <QtGui/qwindowdefs.h>
0010 #include <QtCore/qatomic.h>
0011 #include <QtCore/qlist.h>
0012
0013 QT_BEGIN_NAMESPACE
0014
0015
0016 class QColor;
0017 class QColormapPrivate;
0018
0019 class Q_WIDGETS_EXPORT QColormap
0020 {
0021 public:
0022     enum Mode { Direct, Indexed, Gray };
0023
0024     static void initialize();
0025     static void cleanup();
0026
0027     static QColormap instance(int screen = -1);
0028
0029     QColormap(const QColormap &colormap);
0030     ~QColormap();
0031
0032     QColormap &operator=(const QColormap &colormap);
0033
0034     Mode mode() const;
0035
0036     int depth() const;
0037     int size() const;
0038
0039     uint pixel(const QColor &color) const;
0040     const QColor colorAt(uint pixel) const;
0041
0042     const QList<QColor> colormap() const;
0043
0044 private:
0045     QColormap();
0046     QColormapPrivate *d;
0047 };
0048
0049 QT_END_NAMESPACE
0050
0051 #endif // QCOLORMAP_H