File indexing completed on 2024-10-13 07:24:06

 /*
     SPDX-FileCopyrightText: 2010 Till Theato <root@ttill.de>
     SPDX-FileCopyrightText: 2017 Dušan Hanuš <hanus@pixelhouse.cz>
     SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
 */
 
 #include "qcolorutils.h"
 
 #include <QTextStream>
 
 QColor QColorUtils::stringToColor(QString strColor)
 {
     bool ok = false;
     QColor color("black");
     if (strColor.startsWith(QLatin1String("0x"))) {
         if (strColor.length() == 10) {
             // 0xRRGGBBAA
             uint intval = strColor.toUInt(&ok, 16);
             color.setRgb((intval >> 24) & 0xff, // r
                          (intval >> 16) & 0xff, // g
                          (intval >> 8) & 0xff,  // b
                          intval & 0xff);        // a
         } else {
             // 0xRRGGBB, 0xRGB
             color.setNamedColor(strColor.replace(0, 2, QLatin1Char('#')));
         }
     } else {
         if (strColor.length() == 9) {
             // #AARRGGBB
             strColor = strColor.replace('#', QLatin1String("0x"));
             uint intval = strColor.toUInt(&ok, 16);
             color.setRgb((intval >> 16) & 0xff,  // r
                          (intval >> 8) & 0xff,   // g
                          intval & 0xff,          // b
                          (intval >> 24) & 0xff); // a
         } else if (strColor.length() == 8) {
             // 0xRRGGBB
             strColor = strColor.replace('#', QLatin1String("0x"));
             color.setNamedColor(strColor);
         } else {
             // #RRGGBB, #RGB
             color.setNamedColor(strColor);
         }
     }
 
     return color;
 }
 
 QString QColorUtils::colorToString(const QColor &color, bool alpha)
 {
     QString colorStr;
     QTextStream stream(&colorStr);
     stream << "0x";
     stream.setIntegerBase(16);
     stream.setFieldWidth(2);
     stream.setFieldAlignment(QTextStream::AlignRight);
     stream.setPadChar('0');
     stream << color.red() << color.green() << color.blue();
     if (alpha) {
         stream << color.alpha();
     } else {
         // MLT always wants 0xRRGGBBAA format
         stream << "ff";
     }
     return colorStr;
 }
 
 QColor QColorUtils::complementary(QColor color)
 {
     color = color.toHsv();
     int hue = color.hsvHue() + 180;
     if (hue > 359) {
         hue -= 360;
     }
     color.setHsv(hue, color.hsvSaturation(), color.value());
     return color;
 }
 
 NegQColor::NegQColor() {}
 
 NegQColor NegQColor::fromHsvF(qreal h, qreal s, qreal l, qreal a)
 {
     NegQColor color;
     color.qcolor = QColor::fromHsvF(qBound(0., h, 1.), qBound(0., s, 1.), qBound(0., (l < 0 ? -l : l), 1.), a);
     color.sign_r = l < 0 ? -1 : 1;
     color.sign_g = l < 0 ? -1 : 1;
     color.sign_b = l < 0 ? -1 : 1;
     return color;
 }
 
 QDebug operator<<(QDebug qd, const NegQColor &c)
 {
     qd << c.qcolor << "(redF" << c.redF() << "greenF" << c.greenF() << "blueF" << c.blueF() << "valueF" << c.valueF() << "hueF" << c.hueF() << ")";
     return qd.maybeSpace();
 }
 
 bool NegQColor::operator==(const NegQColor &other) const
 {
     return other.redF() == redF() && other.greenF() == greenF() && other.blueF() == blueF() && other.hueF() == hueF();
 }
 
 bool NegQColor::operator!=(const NegQColor &other) const
 {
     return other.redF() != redF() || other.greenF() != greenF() || other.blueF() != blueF() || other.hueF() != hueF();
 }
 
 NegQColor NegQColor::fromRgbF(qreal r, qreal g, qreal b, qreal a)
 {
     NegQColor color;
     color.qcolor = QColor::fromRgbF(r < 0 ? -r : r, g < 0 ? -g : g, b < 0 ? -b : b, a);
     color.sign_r = r < 0 ? -1 : 1;
     color.sign_g = g < 0 ? -1 : 1;
     color.sign_b = b < 0 ? -1 : 1;
     return color;
 }
 
 qreal NegQColor::redF() const
 {
     return qcolor.redF() * sign_r;
 }
 
 void NegQColor::setRedF(qreal val)
 {
     sign_r = val < 0 ? -1 : 1;
     qcolor.setRedF(val * sign_r);
 }
 
 qreal NegQColor::greenF() const
 {
     return qcolor.greenF() * sign_g;
 }
 
 void NegQColor::setGreenF(qreal val)
 {
     sign_g = val < 0 ? -1 : 1;
     qcolor.setGreenF(val * sign_g);
 }
 
 qreal NegQColor::blueF() const
 {
     return qcolor.blueF() * sign_b;
 }
 
 void NegQColor::setBlueF(qreal val)
 {
     sign_b = val < 0 ? -1 : 1;
     qcolor.setBlueF(val * sign_b);
 }
 
 void NegQColor::setValueF(qreal val)
 {
     qcolor = QColor::fromHsvF(hueF(), saturationF(), qBound(0., (val < 0 ? -val : val), 1.), 1.);
     sign_r = val < 0 ? -1 : 1;
     sign_g = val < 0 ? -1 : 1;
     sign_b = val < 0 ? -1 : 1;
 }
 
 qreal NegQColor::valueF() const
 {
     return qcolor.valueF() * sign_g;
 }
 
 int NegQColor::hue() const
 {
     return qcolor.hue();
 }
 
 qreal NegQColor::hueF() const
 {
     return qcolor.hueF();
 }
 
 qreal NegQColor::saturationF() const
 {
     return qcolor.saturationF();
 }