CFSoftLight< T > Struct Template Reference

#include <KoCompositeOpFunctions.h>

Inheritance diagram for CFSoftLight< T >:

Static Public Member Functions
static T	composeChannel (T src, T dst)
Static Public Member Functions inherited from KoClampedSourceAndDestinationCompositeOpGenericFunctorBase< T >
static T	clampDestinationChannelValue (T value)
static T	clampSourceChannelValue (T value)

Detailed Description

template<class T>
struct CFSoftLight< T >

Definition at line 514 of file KoCompositeOpFunctions.h.

Member Function Documentation

composeChannel()

template<class T >

static T CFSoftLight< T >::composeChannel ( T src, T dst )

inlinestatic

Definition at line 515 of file KoCompositeOpFunctions.h.

                                                 {
        using namespace Arithmetic;
 
        qreal fsrc = scale<qreal>(src);
        qreal fdst = scale<qreal>(dst);
 
        if(fsrc > 0.5) {
            // lerp(dst, sqrt(dst), (2.0 * fsrc - 1.0))
            return scale<T>(fdst + (2.0 * fsrc - 1.0) * (sqrt(fdst) - fdst));
        }
 
        // lerp(dst, dst^2, (1.0 - 2.0 * fsrc))
        return scale<T>(fdst - (1.0 - 2.0*fsrc) * fdst * (1.0 - fdst));
    }

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The documentation for this struct was generated from the following file:

• libs/pigment/compositeops/KoCompositeOpFunctions.h