qcolor.h
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- /****************************************************************************
- **
- ** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
- ** Contact: Qt Software Information (qt-info@nokia.com)
- **
- ** This file is part of the QtGui module of the Qt Toolkit.
- **
- ** Commercial Usage
- ** Licensees holding valid Qt Commercial licenses may use this file in
- ** accordance with the Qt Commercial License Agreement provided with the
- ** Software or, alternatively, in accordance with the terms contained in
- ** a written agreement between you and Nokia.
- **
- **
- ** GNU General Public License Usage
- ** Alternatively, this file may be used under the terms of the GNU
- ** General Public License versions 2.0 or 3.0 as published by the Free
- ** Software Foundation and appearing in the file LICENSE.GPL included in
- ** the packaging of this file. Please review the following information
- ** to ensure GNU General Public Licensing requirements will be met:
- ** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
- ** http://www.gnu.org/copyleft/gpl.html. In addition, as a special
- ** exception, Nokia gives you certain additional rights. These rights
- ** are described in the Nokia Qt GPL Exception version 1.3, included in
- ** the file GPL_EXCEPTION.txt in this package.
- **
- ** Qt for Windows(R) Licensees
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- ** Designer, grants users of the Qt/Eclipse Integration plug-in the
- ** right for the Qt/Eclipse Integration to link to functionality
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- ****************************************************************************/
- #ifndef QCOLOR_H
- #define QCOLOR_H
- #include <QtGui/qrgb.h>
- #include <QtCore/qnamespace.h>
- #include <QtCore/qstringlist.h>
- QT_BEGIN_HEADER
- QT_BEGIN_NAMESPACE
- QT_MODULE(Gui)
- class QColor;
- class QColormap;
- class QVariant;
- #ifndef QT_NO_DEBUG_STREAM
- Q_GUI_EXPORT QDebug operator<<(QDebug, const QColor &);
- #endif
- #ifndef QT_NO_DATASTREAM
- Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QColor &);
- Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QColor &);
- #endif
- class Q_GUI_EXPORT QColor
- {
- public:
- enum Spec { Invalid, Rgb, Hsv, Cmyk };
- QColor();
- QColor(Qt::GlobalColor color);
- QColor(int r, int g, int b, int a = 255);
- QColor(QRgb rgb);
- QColor(const QString& name);
- QColor(const char *name);
- QColor(const QColor &color);
- QColor(Spec spec);
- bool isValid() const;
- QString name() const;
- void setNamedColor(const QString& name);
- static QStringList colorNames();
- inline Spec spec() const
- { return cspec; }
- int alpha() const;
- void setAlpha(int alpha);
- qreal alphaF() const;
- void setAlphaF(qreal alpha);
- int red() const;
- int green() const;
- int blue() const;
- void setRed(int red);
- void setGreen(int green);
- void setBlue(int blue);
- qreal redF() const;
- qreal greenF() const;
- qreal blueF() const;
- void setRedF(qreal red);
- void setGreenF(qreal green);
- void setBlueF(qreal blue);
- void getRgb(int *r, int *g, int *b, int *a = 0) const;
- void setRgb(int r, int g, int b, int a = 255);
- void getRgbF(qreal *r, qreal *g, qreal *b, qreal *a = 0) const;
- void setRgbF(qreal r, qreal g, qreal b, qreal a = 1.0);
- QRgb rgba() const;
- void setRgba(QRgb rgba);
- QRgb rgb() const;
- void setRgb(QRgb rgb);
- int hue() const; // 0 <= hue < 360
- int saturation() const;
- int value() const;
- qreal hueF() const; // 0.0 <= hueF < 360.0
- qreal saturationF() const;
- qreal valueF() const;
- void getHsv(int *h, int *s, int *v, int *a = 0) const;
- void setHsv(int h, int s, int v, int a = 255);
- void getHsvF(qreal *h, qreal *s, qreal *v, qreal *a = 0) const;
- void setHsvF(qreal h, qreal s, qreal v, qreal a = 1.0);
- int cyan() const;
- int magenta() const;
- int yellow() const;
- int black() const;
- qreal cyanF() const;
- qreal magentaF() const;
- qreal yellowF() const;
- qreal blackF() const;
- void getCmyk(int *c, int *m, int *y, int *k, int *a = 0);
- void setCmyk(int c, int m, int y, int k, int a = 255);
- void getCmykF(qreal *c, qreal *m, qreal *y, qreal *k, qreal *a = 0);
- void setCmykF(qreal c, qreal m, qreal y, qreal k, qreal a = 1.0);
- QColor toRgb() const;
- QColor toHsv() const;
- QColor toCmyk() const;
- QColor convertTo(Spec colorSpec) const;
- static QColor fromRgb(QRgb rgb);
- static QColor fromRgba(QRgb rgba);
- static QColor fromRgb(int r, int g, int b, int a = 255);
- static QColor fromRgbF(qreal r, qreal g, qreal b, qreal a = 1.0);
- static QColor fromHsv(int h, int s, int v, int a = 255);
- static QColor fromHsvF(qreal h, qreal s, qreal v, qreal a = 1.0);
- static QColor fromCmyk(int c, int m, int y, int k, int a = 255);
- static QColor fromCmykF(qreal c, qreal m, qreal y, qreal k, qreal a = 1.0);
- QColor light(int f = 150) const;
- QColor lighter(int f = 150) const;
- QColor dark(int f = 200) const;
- QColor darker(int f = 200) const;
- QColor &operator=(const QColor &);
- QColor &operator=(Qt::GlobalColor color);
- bool operator==(const QColor &c) const;
- bool operator!=(const QColor &c) const;
- operator QVariant() const;
- #ifdef Q_WS_X11
- static bool allowX11ColorNames();
- static void setAllowX11ColorNames(bool enabled);
- #endif
- #ifdef QT3_SUPPORT
- inline QT3_SUPPORT_CONSTRUCTOR QColor(int x, int y, int z, Spec colorSpec)
- { if (colorSpec == Hsv) setHsv(x, y, z); else setRgb(x, y, z); }
- inline QT3_SUPPORT void rgb(int *r, int *g, int *b) const
- { getRgb(r, g, b); }
- inline QT3_SUPPORT void hsv(int *h, int *s, int *v) const
- { getHsv(h, s, v); }
- inline QT3_SUPPORT void setRgba(int r, int g, int b, int a)
- { setRgb(r, g, b, a); }
- inline QT3_SUPPORT void getRgba(int *r, int *g, int *b, int *a) const
- { getRgb(r, g, b, a); }
- QT3_SUPPORT uint pixel(int screen = -1) const;
- #endif
- private:
- #ifndef QT3_SUPPORT
- // do not allow a spec to be used as an alpha value
- QColor(int, int, int, Spec);
- #endif
- void invalidate();
- Spec cspec;
- union {
- struct {
- ushort alpha;
- ushort red;
- ushort green;
- ushort blue;
- ushort pad;
- } argb;
- struct {
- ushort alpha;
- ushort hue;
- ushort saturation;
- ushort value;
- ushort pad;
- } ahsv;
- struct {
- ushort alpha;
- ushort cyan;
- ushort magenta;
- ushort yellow;
- ushort black;
- } acmyk;
- } ct;
- friend class QColormap;
- #ifndef QT_NO_DATASTREAM
- friend Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QColor &);
- friend Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QColor &);
- #endif
- };
- inline QColor::QColor()
- { invalidate(); }
- inline QColor::QColor(int r, int g, int b, int a)
- { setRgb(r, g, b, a); }
- inline QColor::QColor(const char *aname)
- { setNamedColor(QLatin1String(aname)); }
- inline QColor::QColor(const QString& aname)
- { setNamedColor(aname); }
- inline QColor::QColor(const QColor &acolor)
- : cspec(acolor.cspec)
- { ct.argb = acolor.ct.argb; }
- inline bool QColor::isValid() const
- { return cspec != Invalid; }
- inline QColor QColor::lighter(int f) const
- { return light(f); }
- inline QColor QColor::darker(int f) const
- { return dark(f); }
- QT_END_NAMESPACE
- QT_END_HEADER
- #endif // QCOLOR_H