156 lines
4.4 KiB
C++
156 lines
4.4 KiB
C++
/******************************************************************************
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* QSkinny - Copyright (C) 2016 Uwe Rathmann
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* This file may be used under the terms of the QSkinny License, Version 1.0
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*****************************************************************************/
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#ifndef QSK_GRADIENT_STOP_H
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#define QSK_GRADIENT_STOP_H
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#include "QskGlobal.h"
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#include <qcolor.h>
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#include <qmetatype.h>
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#include <qvector.h>
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typedef QPair< qreal, QColor > QGradientStop;
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class QSK_EXPORT QskGradientStop
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{
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Q_GADGET
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Q_PROPERTY( qreal position READ position WRITE setPosition RESET resetPosition )
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Q_PROPERTY( QColor color READ color WRITE setColor RESET resetColor )
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public:
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constexpr QskGradientStop() noexcept;
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constexpr QskGradientStop( qreal position, const QColor& ) noexcept;
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constexpr QskGradientStop( const QGradientStop& ) noexcept;
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QskGradientStop( qreal position, Qt::GlobalColor ) noexcept;
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QskGradientStop( qreal position, QRgb ) noexcept;
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constexpr bool operator==( const QskGradientStop& ) const noexcept;
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constexpr bool operator!=( const QskGradientStop& ) const noexcept;
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void setStop( qreal position, const QColor& ) noexcept;
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constexpr qreal position() const noexcept;
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void setPosition( qreal position ) noexcept;
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void resetPosition() noexcept;
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constexpr const QColor& color() const noexcept;
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void setColor( const QColor& ) noexcept;
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void resetColor() noexcept;
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QRgb rgb() const noexcept;
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static QColor interpolated(
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const QskGradientStop&, const QskGradientStop&, qreal position ) noexcept;
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QskHashValue hash( QskHashValue seed ) const noexcept;
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private:
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qreal m_position;
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QColor m_color; // using RGBA instead ?
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};
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#if QT_VERSION >= QT_VERSION_CHECK( 6, 0, 0 )
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Q_DECLARE_TYPEINFO( QskGradientStop, Q_RELOCATABLE_TYPE );
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#endif
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Q_DECLARE_METATYPE( QskGradientStop )
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inline constexpr QskGradientStop::QskGradientStop() noexcept
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: m_position( -1.0 )
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{
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}
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inline constexpr QskGradientStop::QskGradientStop(
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qreal position, const QColor& color ) noexcept
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: m_position( position )
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, m_color( color )
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{
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}
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inline QskGradientStop::QskGradientStop(
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qreal position, const Qt::GlobalColor color ) noexcept
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: QskGradientStop( position, QColor( color ) )
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{
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}
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inline QskGradientStop::QskGradientStop(
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qreal position, QRgb rgb ) noexcept
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: QskGradientStop( position, QColor::fromRgba( rgb ) )
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{
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}
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inline constexpr QskGradientStop::QskGradientStop( const QGradientStop& qtStop ) noexcept
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: QskGradientStop( qtStop.first, qtStop.second )
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{
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}
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inline constexpr qreal QskGradientStop::position() const noexcept
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{
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return m_position;
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}
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inline constexpr const QColor& QskGradientStop::color() const noexcept
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{
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return m_color;
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}
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inline QRgb QskGradientStop::rgb() const noexcept
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{
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return m_color.rgba();
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}
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inline constexpr bool QskGradientStop::operator==( const QskGradientStop& other ) const noexcept
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{
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return ( m_position == other.m_position ) && ( m_color == other.m_color );
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}
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inline constexpr bool QskGradientStop::operator!=( const QskGradientStop& other ) const noexcept
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{
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return ( !( *this == other ) );
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}
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#ifndef QT_NO_DEBUG_STREAM
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class QDebug;
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QSK_EXPORT QDebug operator<<( QDebug, const QskGradientStop& );
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#endif
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typedef QVector< QskGradientStop > QskGradientStops;
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QSK_EXPORT bool qskIsMonochrome( const QskGradientStops& ) noexcept;
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QSK_EXPORT bool qskIsVisible( const QskGradientStops& ) noexcept;
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QSK_EXPORT QskGradientStops qskInterpolatedGradientStops(
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const QskGradientStops&, bool, const QskGradientStops&, bool,
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qreal ratio );
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QSK_EXPORT QskGradientStops qskInterpolatedGradientStops(
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const QskGradientStops&, const QColor&, qreal ratio );
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QSK_EXPORT QskGradientStops qskInterpolatedGradientStops(
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const QColor&, const QskGradientStops&, qreal ratio );
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QSK_EXPORT QskGradientStops qskTransparentGradientStops(
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const QskGradientStops&, qreal ratio );
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QSK_EXPORT QskGradientStops qskExtractedGradientStops(
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const QskGradientStops&, qreal from, qreal to );
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QSK_EXPORT QskGradientStops qskBuildGradientStops(
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const QVector< QRgb >&, bool discrete = false );
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QSK_EXPORT QskGradientStops qskBuildGradientStops(
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const QVector< QColor >&, bool discrete = false );
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QSK_EXPORT QskGradientStops qskBuildGradientStops( const QVector< QGradientStop >& );
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QSK_EXPORT QVector< QGradientStop > qskToQGradientStops( const QVector< QskGradientStop >& );
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#endif
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