File indexing completed on 2024-04-28 05:32:10

 #ifndef oxygencoloreffect_h
 #define oxygencoloreffect_h
 /*
 * this file is part of the oxygen gtk engine
 * SPDX-FileCopyrightText: 2010 Hugo Pereira Da Costa <hugo.pereira@free.fr>
 *
 * inspired notably from kdelibs/kdeui/colors/kcolorscheme.h
 * SPDX-FileCopyrightText: 2007 Matthew Woehlke <mw_triad@users.sourceforge.net>
 *
 * SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "oxygenpalette.h"
 #include "oxygenrgba.h"
 
 #include <iostream>
 
 namespace Oxygen
 {
 
     // forward declaration
     class OptionMap;
 
     namespace ColorUtils
     {
 
         //! used to handle color modification effects
         /*! used notably to generate the correct disabled palette from kde options */
         class Effect
         {
 
             public:
 
             //!constructor
             explicit Effect( void ):
                 _intensityEffect( IntensityNoEffect ),
                 _intensityEffectAmount(0),
                 _colorEffect( ColorNoEffect ),
                 _colorEffectAmount(0),
                 _contrastEffect( ContrastNoEffect ),
                 _contrastEffectAmount(0),
                 _enabled( false )
             {}
 
             //! constructor from option map
             explicit Effect( Palette::Group, const OptionMap& );
 
             //! destructor
             virtual ~Effect( void )
             {}
 
             //! apply effect to input background
             Rgba color( const Rgba& background ) const;
 
             //! apply effect to input foreground
             Rgba color( const Rgba& foreground, const Rgba& background ) const;
 
             private:
 
             //!@name intensity
             //@{
 
             enum IntensityEffect
             {
                 IntensityNoEffect,
                 IntensityShade,
                 IntensityDarken,
                 IntensityLighten,
             };
 
             IntensityEffect _intensityEffect;
             double _intensityEffectAmount;
 
             //@}
 
             //!@name color
             //@{
 
             enum ColorEffect
             {
                 ColorNoEffect,
                 ColorDesaturate,
                 ColorFade,
                 ColorTint
             };
 
             Rgba _color;
             ColorEffect _colorEffect;
             double _colorEffectAmount;
 
             //@}
 
             //!@name contrast
             //@{
 
             enum ContrastEffect
             {
                 ContrastNoEffect,
                 ContrastFade,
                 ContrastTint
             };
 
             ContrastEffect _contrastEffect;
             double _contrastEffectAmount;
 
             //@}
 
             //! enable state
             bool _enabled;
 
             // streamer
             friend std::ostream& operator << (std::ostream&, const Effect& );
 
         };
 
     }
 }
 #endif