diff options
Diffstat (limited to 'src/gui/painting/qcolor.cpp')
| -rw-r--r-- | src/gui/painting/qcolor.cpp | 153 |
1 files changed, 79 insertions, 74 deletions
diff --git a/src/gui/painting/qcolor.cpp b/src/gui/painting/qcolor.cpp index 3f30c061dc..20dd8d7f82 100644 --- a/src/gui/painting/qcolor.cpp +++ b/src/gui/painting/qcolor.cpp @@ -1,31 +1,37 @@ /**************************************************************************** ** -** Copyright (C) 2015 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtGui module of the Qt Toolkit. ** -** $QT_BEGIN_LICENSE:LGPL21$ +** $QT_BEGIN_LICENSE:LGPL$ ** 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 http://www.qt.io/terms-conditions. For further -** information use the contact form at http://www.qt.io/contact-us. +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 or version 3 as published by the Free -** Software Foundation and appearing in the file LICENSE.LGPLv21 and -** LICENSE.LGPLv3 included in the packaging of this file. Please review the -** following information to ensure the GNU Lesser General Public License -** requirements will be met: https://www.gnu.org/licenses/lgpl.html and -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. ** -** As a special exception, The Qt Company gives you certain additional -** rights. These rights are described in The Qt Company LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** @@ -331,7 +337,7 @@ QT_BEGIN_NAMESPACE \sa isValid(), {QColor#Predefined Colors}{Predefined Colors} */ -QColor::QColor(Qt::GlobalColor color) +QColor::QColor(Qt::GlobalColor color) Q_DECL_NOTHROW { #define QRGB(r, g, b) \ QRgb(((0xffu << 24) | ((r & 0xff) << 16) | ((g & 0xff) << 8) | (b & 0xff))) @@ -406,7 +412,7 @@ QColor::QColor(Qt::GlobalColor color) \sa fromRgb(), isValid() */ -QColor::QColor(QRgb color) +QColor::QColor(QRgb color) Q_DECL_NOTHROW { cspec = Rgb; ct.argb.alpha = 0xffff; @@ -424,7 +430,7 @@ QColor::QColor(QRgb color) \sa fromRgba64() */ -QColor::QColor(QRgba64 rgba64) +QColor::QColor(QRgba64 rgba64) Q_DECL_NOTHROW { setRgba64(rgba64); } @@ -438,7 +444,7 @@ QColor::QColor(QRgba64 rgba64) becomes a valid color by accident. */ -QColor::QColor(Spec spec) +QColor::QColor(Spec spec) Q_DECL_NOTHROW { switch (spec) { case Invalid: @@ -958,7 +964,7 @@ void QColor::setRgb(int r, int g, int b, int a) \sa setRgba(), rgb(), rgba64() */ -QRgb QColor::rgba() const +QRgb QColor::rgba() const Q_DECL_NOTHROW { if (cspec != Invalid && cspec != Rgb) return toRgb().rgba(); @@ -970,7 +976,7 @@ QRgb QColor::rgba() const \sa rgba(), rgb(), setRgba64() */ -void QColor::setRgba(QRgb rgba) +void QColor::setRgba(QRgb rgba) Q_DECL_NOTHROW { cspec = Rgb; ct.argb.alpha = qAlpha(rgba) * 0x101; @@ -990,7 +996,7 @@ void QColor::setRgba(QRgb rgba) \sa setRgba64(), rgba(), rgb() */ -QRgba64 QColor::rgba64() const +QRgba64 QColor::rgba64() const Q_DECL_NOTHROW { if (cspec != Invalid && cspec != Rgb) return toRgb().rgba64(); @@ -1004,7 +1010,7 @@ QRgba64 QColor::rgba64() const \sa \setRgba(), rgba64() */ -void QColor::setRgba64(QRgba64 rgba) +void QColor::setRgba64(QRgba64 rgba) Q_DECL_NOTHROW { cspec = Rgb; ct.argb.alpha = rgba.alpha(); @@ -1021,7 +1027,7 @@ void QColor::setRgba64(QRgba64 rgba) \sa getRgb(), rgba() */ -QRgb QColor::rgb() const +QRgb QColor::rgb() const Q_DECL_NOTHROW { if (cspec != Invalid && cspec != Rgb) return toRgb().rgb(); @@ -1033,7 +1039,7 @@ QRgb QColor::rgb() const Sets the RGB value to \a rgb. The alpha value is set to opaque. */ -void QColor::setRgb(QRgb rgb) +void QColor::setRgb(QRgb rgb) Q_DECL_NOTHROW { cspec = Rgb; ct.argb.alpha = 0xffff; @@ -1048,7 +1054,7 @@ void QColor::setRgb(QRgb rgb) \sa setAlpha(), alphaF(), {QColor#Alpha-Blended Drawing}{Alpha-Blended Drawing} */ -int QColor::alpha() const +int QColor::alpha() const Q_DECL_NOTHROW { return ct.argb.alpha >> 8; } @@ -1070,7 +1076,7 @@ void QColor::setAlpha(int alpha) \sa setAlphaF(), alpha(), {QColor#Alpha-Blended Drawing}{Alpha-Blended Drawing} */ -qreal QColor::alphaF() const +qreal QColor::alphaF() const Q_DECL_NOTHROW { return ct.argb.alpha / qreal(USHRT_MAX); } /*! @@ -1093,7 +1099,7 @@ void QColor::setAlphaF(qreal alpha) \sa setRed(), redF(), getRgb() */ -int QColor::red() const +int QColor::red() const Q_DECL_NOTHROW { if (cspec != Invalid && cspec != Rgb) return toRgb().red(); @@ -1120,7 +1126,7 @@ void QColor::setRed(int red) \sa setGreen(), greenF(), getRgb() */ -int QColor::green() const +int QColor::green() const Q_DECL_NOTHROW { if (cspec != Invalid && cspec != Rgb) return toRgb().green(); @@ -1148,7 +1154,7 @@ void QColor::setGreen(int green) \sa setBlue(), blueF(), getRgb() */ -int QColor::blue() const +int QColor::blue() const Q_DECL_NOTHROW { if (cspec != Invalid && cspec != Rgb) return toRgb().blue(); @@ -1176,7 +1182,7 @@ void QColor::setBlue(int blue) \sa setRedF(), red(), getRgbF() */ -qreal QColor::redF() const +qreal QColor::redF() const Q_DECL_NOTHROW { if (cspec != Invalid && cspec != Rgb) return toRgb().redF(); @@ -1204,7 +1210,7 @@ void QColor::setRedF(qreal red) \sa setGreenF(), green(), getRgbF() */ -qreal QColor::greenF() const +qreal QColor::greenF() const Q_DECL_NOTHROW { if (cspec != Invalid && cspec != Rgb) return toRgb().greenF(); @@ -1232,7 +1238,7 @@ void QColor::setGreenF(qreal green) \sa setBlueF(), blue(), getRgbF() */ -qreal QColor::blueF() const +qreal QColor::blueF() const Q_DECL_NOTHROW { if (cspec != Invalid && cspec != Rgb) return toRgb().blueF(); @@ -1262,7 +1268,7 @@ void QColor::setBlueF(qreal blue) \sa hsvHue(), hueF(), getHsv(), {QColor#The HSV Color Model}{The HSV Color Model} */ -int QColor::hue() const +int QColor::hue() const Q_DECL_NOTHROW { return hsvHue(); } @@ -1272,7 +1278,7 @@ int QColor::hue() const \sa hueF(), getHsv(), {QColor#The HSV Color Model}{The HSV Color Model} */ -int QColor::hsvHue() const +int QColor::hsvHue() const Q_DECL_NOTHROW { if (cspec != Invalid && cspec != Hsv) return toHsv().hue(); @@ -1288,7 +1294,7 @@ int QColor::hsvHue() const Model} */ -int QColor::saturation() const +int QColor::saturation() const Q_DECL_NOTHROW { return hsvSaturation(); } @@ -1298,7 +1304,7 @@ int QColor::saturation() const \sa saturationF(), getHsv(), {QColor#The HSV Color Model}{The HSV Color Model} */ -int QColor::hsvSaturation() const +int QColor::hsvSaturation() const Q_DECL_NOTHROW { if (cspec != Invalid && cspec != Hsv) return toHsv().saturation(); @@ -1310,7 +1316,7 @@ int QColor::hsvSaturation() const \sa valueF(), getHsv(), {QColor#The HSV Color Model}{The HSV Color Model} */ -int QColor::value() const +int QColor::value() const Q_DECL_NOTHROW { if (cspec != Invalid && cspec != Hsv) return toHsv().value(); @@ -1324,7 +1330,7 @@ int QColor::value() const \sa hsvHueF(), hue(), getHsvF(), {QColor#The HSV Color Model}{The HSV Color Model} */ -qreal QColor::hueF() const +qreal QColor::hueF() const Q_DECL_NOTHROW { return hsvHueF(); } @@ -1335,7 +1341,7 @@ qreal QColor::hueF() const \sa hue(), getHsvF(), {QColor#The HSV Color Model}{The HSV Color Model} */ -qreal QColor::hsvHueF() const +qreal QColor::hsvHueF() const Q_DECL_NOTHROW { if (cspec != Invalid && cspec != Hsv) return toHsv().hueF(); @@ -1350,7 +1356,7 @@ qreal QColor::hsvHueF() const \sa hsvSaturationF(), saturation(), getHsvF(), {QColor#The HSV Color Model}{The HSV Color Model} */ -qreal QColor::saturationF() const +qreal QColor::saturationF() const Q_DECL_NOTHROW { return hsvSaturationF(); } @@ -1360,7 +1366,7 @@ qreal QColor::saturationF() const \sa saturation(), getHsvF(), {QColor#The HSV Color Model}{The HSV Color Model} */ -qreal QColor::hsvSaturationF() const +qreal QColor::hsvSaturationF() const Q_DECL_NOTHROW { if (cspec != Invalid && cspec != Hsv) return toHsv().saturationF(); @@ -1372,7 +1378,7 @@ qreal QColor::hsvSaturationF() const \sa value(), getHsvF(), {QColor#The HSV Color Model}{The HSV Color Model} */ -qreal QColor::valueF() const +qreal QColor::valueF() const Q_DECL_NOTHROW { if (cspec != Invalid && cspec != Hsv) return toHsv().valueF(); @@ -1386,7 +1392,7 @@ qreal QColor::valueF() const \sa getHslF(), getHsl() */ -int QColor::hslHue() const +int QColor::hslHue() const Q_DECL_NOTHROW { if (cspec != Invalid && cspec != Hsl) return toHsl().hslHue(); @@ -1400,7 +1406,7 @@ int QColor::hslHue() const \sa saturationF(), getHsv(), {QColor#The HSV Color Model}{The HSV Color Model} */ -int QColor::hslSaturation() const +int QColor::hslSaturation() const Q_DECL_NOTHROW { if (cspec != Invalid && cspec != Hsl) return toHsl().hslSaturation(); @@ -1414,7 +1420,7 @@ int QColor::hslSaturation() const \sa lightnessF(), getHsl() */ -int QColor::lightness() const +int QColor::lightness() const Q_DECL_NOTHROW { if (cspec != Invalid && cspec != Hsl) return toHsl().lightness(); @@ -1428,7 +1434,7 @@ int QColor::lightness() const \sa hue(), getHslF() */ -qreal QColor::hslHueF() const +qreal QColor::hslHueF() const Q_DECL_NOTHROW { if (cspec != Invalid && cspec != Hsl) return toHsl().hslHueF(); @@ -1442,7 +1448,7 @@ qreal QColor::hslHueF() const \sa saturationF(), getHslF() */ -qreal QColor::hslSaturationF() const +qreal QColor::hslSaturationF() const Q_DECL_NOTHROW { if (cspec != Invalid && cspec != Hsl) return toHsl().hslSaturationF(); @@ -1456,7 +1462,7 @@ qreal QColor::hslSaturationF() const \sa value(), getHslF() */ -qreal QColor::lightnessF() const +qreal QColor::lightnessF() const Q_DECL_NOTHROW { if (cspec != Invalid && cspec != Hsl) return toHsl().lightnessF(); @@ -1468,7 +1474,7 @@ qreal QColor::lightnessF() const \sa cyanF(), getCmyk(), {QColor#The CMYK Color Model}{The CMYK Color Model} */ -int QColor::cyan() const +int QColor::cyan() const Q_DECL_NOTHROW { if (cspec != Invalid && cspec != Cmyk) return toCmyk().cyan(); @@ -1480,7 +1486,7 @@ int QColor::cyan() const \sa magentaF(), getCmyk(), {QColor#The CMYK Color Model}{The CMYK Color Model} */ -int QColor::magenta() const +int QColor::magenta() const Q_DECL_NOTHROW { if (cspec != Invalid && cspec != Cmyk) return toCmyk().magenta(); @@ -1492,7 +1498,7 @@ int QColor::magenta() const \sa yellowF(), getCmyk(), {QColor#The CMYK Color Model}{The CMYK Color Model} */ -int QColor::yellow() const +int QColor::yellow() const Q_DECL_NOTHROW { if (cspec != Invalid && cspec != Cmyk) return toCmyk().yellow(); @@ -1505,7 +1511,7 @@ int QColor::yellow() const \sa blackF(), getCmyk(), {QColor#The CMYK Color Model}{The CMYK Color Model} */ -int QColor::black() const +int QColor::black() const Q_DECL_NOTHROW { if (cspec != Invalid && cspec != Cmyk) return toCmyk().black(); @@ -1517,7 +1523,7 @@ int QColor::black() const \sa cyan(), getCmykF(), {QColor#The CMYK Color Model}{The CMYK Color Model} */ -qreal QColor::cyanF() const +qreal QColor::cyanF() const Q_DECL_NOTHROW { if (cspec != Invalid && cspec != Cmyk) return toCmyk().cyanF(); @@ -1529,7 +1535,7 @@ qreal QColor::cyanF() const \sa magenta(), getCmykF(), {QColor#The CMYK Color Model}{The CMYK Color Model} */ -qreal QColor::magentaF() const +qreal QColor::magentaF() const Q_DECL_NOTHROW { if (cspec != Invalid && cspec != Cmyk) return toCmyk().magentaF(); @@ -1541,7 +1547,7 @@ qreal QColor::magentaF() const \sa yellow(), getCmykF(), {QColor#The CMYK Color Model}{The CMYK Color Model} */ -qreal QColor::yellowF() const +qreal QColor::yellowF() const Q_DECL_NOTHROW { if (cspec != Invalid && cspec != Cmyk) return toCmyk().yellowF(); @@ -1553,7 +1559,7 @@ qreal QColor::yellowF() const \sa black(), getCmykF(), {QColor#The CMYK Color Model}{The CMYK Color Model} */ -qreal QColor::blackF() const +qreal QColor::blackF() const Q_DECL_NOTHROW { if (cspec != Invalid && cspec != Cmyk) return toCmyk().blackF(); @@ -1565,7 +1571,7 @@ qreal QColor::blackF() const \sa fromRgb(), convertTo(), isValid() */ -QColor QColor::toRgb() const +QColor QColor::toRgb() const Q_DECL_NOTHROW { if (!isValid() || cspec == Rgb) return *this; @@ -1711,7 +1717,7 @@ QColor QColor::toRgb() const \sa fromHsv(), convertTo(), isValid(), {QColor#The HSV Color Model}{The HSV Color Model} */ -QColor QColor::toHsv() const +QColor QColor::toHsv() const Q_DECL_NOTHROW { if (!isValid() || cspec == Hsv) return *this; @@ -1762,7 +1768,7 @@ QColor QColor::toHsv() const \sa fromHsl(), convertTo(), isValid() */ -QColor QColor::toHsl() const +QColor QColor::toHsl() const Q_DECL_NOTHROW { if (!isValid() || cspec == Hsl) return *this; @@ -1818,7 +1824,7 @@ QColor QColor::toHsl() const \sa fromCmyk(), convertTo(), isValid(), {QColor#The CMYK Color Model}{The CMYK Color Model} */ -QColor QColor::toCmyk() const +QColor QColor::toCmyk() const Q_DECL_NOTHROW { if (!isValid() || cspec == Cmyk) return *this; @@ -1854,7 +1860,7 @@ QColor QColor::toCmyk() const return color; } -QColor QColor::convertTo(QColor::Spec colorSpec) const +QColor QColor::convertTo(QColor::Spec colorSpec) const Q_DECL_NOTHROW { if (colorSpec == cspec) return *this; @@ -1885,7 +1891,7 @@ QColor QColor::convertTo(QColor::Spec colorSpec) const \sa fromRgba(), fromRgbF(), toRgb(), isValid() */ -QColor QColor::fromRgb(QRgb rgb) +QColor QColor::fromRgb(QRgb rgb) Q_DECL_NOTHROW { return fromRgb(qRed(rgb), qGreen(rgb), qBlue(rgb)); } @@ -1901,7 +1907,7 @@ QColor QColor::fromRgb(QRgb rgb) \sa fromRgb(), fromRgba64(), isValid() */ -QColor QColor::fromRgba(QRgb rgba) +QColor QColor::fromRgba(QRgb rgba) Q_DECL_NOTHROW { return fromRgb(qRed(rgba), qGreen(rgba), qBlue(rgba), qAlpha(rgba)); } @@ -1974,7 +1980,7 @@ QColor QColor::fromRgbF(qreal r, qreal g, qreal b, qreal a) \sa fromRgb(), fromRgbF(), toRgb(), isValid() */ -QColor QColor::fromRgba64(ushort r, ushort g, ushort b, ushort a) +QColor QColor::fromRgba64(ushort r, ushort g, ushort b, ushort a) Q_DECL_NOTHROW { QColor color; color.setRgba64(qRgba64(r, g, b, a)); @@ -1989,7 +1995,7 @@ QColor QColor::fromRgba64(ushort r, ushort g, ushort b, ushort a) \sa fromRgb(), fromRgbF(), toRgb(), isValid() */ -QColor QColor::fromRgba64(QRgba64 rgba64) +QColor QColor::fromRgba64(QRgba64 rgba64) Q_DECL_NOTHROW { QColor color; color.setRgba64(rgba64); @@ -2323,7 +2329,7 @@ QColor QColor::fromCmykF(qreal c, qreal m, qreal y, qreal k, qreal a) Use lighter(\a factor) instead. */ -QColor QColor::light(int factor) const +QColor QColor::light(int factor) const Q_DECL_NOTHROW { if (factor <= 0) // invalid lightness factor return *this; @@ -2373,7 +2379,7 @@ QColor QColor::light(int factor) const Use darker(\a factor) instead. */ -QColor QColor::dark(int factor) const +QColor QColor::dark(int factor) const Q_DECL_NOTHROW { if (factor <= 0) // invalid darkness factor return *this; @@ -2391,7 +2397,7 @@ QColor QColor::dark(int factor) const /*! Assigns a copy of \a color to this color, and returns a reference to it. */ -QColor &QColor::operator=(const QColor &color) +QColor &QColor::operator=(const QColor &color) Q_DECL_NOTHROW { cspec = color.cspec; ct.argb = color.ct.argb; @@ -2402,7 +2408,7 @@ QColor &QColor::operator=(const QColor &color) /*! \overload Assigns a copy of \a color and returns a reference to this color. */ -QColor &QColor::operator=(Qt::GlobalColor color) +QColor &QColor::operator=(Qt::GlobalColor color) Q_DECL_NOTHROW { return operator=(QColor(color)); } @@ -2411,12 +2417,11 @@ QColor &QColor::operator=(Qt::GlobalColor color) Returns \c true if this color has the same RGB and alpha values as \a color; otherwise returns \c false. */ -bool QColor::operator==(const QColor &color) const +bool QColor::operator==(const QColor &color) const Q_DECL_NOTHROW { if (cspec == Hsl && cspec == color.cspec) { return (ct.argb.alpha == color.ct.argb.alpha - && ((((ct.ahsl.hue % 36000) == (color.ct.ahsl.hue % 36000))) - || (ct.ahsl.hue == color.ct.ahsl.hue)) + && ct.ahsl.hue % 36000 == color.ct.ahsl.hue % 36000 && (qAbs(ct.ahsl.saturation - color.ct.ahsl.saturation) < 50 || ct.ahsl.lightness == 0 || color.ct.ahsl.lightness == 0 @@ -2439,7 +2444,7 @@ bool QColor::operator==(const QColor &color) const Returns \c true if this color has a different RGB and alpha values from \a color; otherwise returns \c false. */ -bool QColor::operator!=(const QColor &color) const +bool QColor::operator!=(const QColor &color) const Q_DECL_NOTHROW { return !operator==(color); } @@ -2456,7 +2461,7 @@ QColor::operator QVariant() const Marks the color as invalid and sets all components to zero (alpha is set to fully opaque for compatibility with Qt 3). */ -void QColor::invalidate() +void QColor::invalidate() Q_DECL_NOTHROW { cspec = Invalid; ct.argb.alpha = USHRT_MAX; |