CFParallel< T > Struct Template Reference

#include <KoCompositeOpFunctions.h>

Inheritance diagram for CFParallel< 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 CFParallel< T >

Definition at line 614 of file KoCompositeOpFunctions.h.

Member Function Documentation

composeChannel()

template<class T >

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

inlinestatic

Definition at line 615 of file KoCompositeOpFunctions.h.

                                                 {
        using namespace Arithmetic;
        typedef typename KoColorSpaceMathsTraits<T>::compositetype composite_type;
 
        const bool srcIsSafe = !isUnsafeAsDivisor(src);
        const bool dstIsSafe = !isUnsafeAsDivisor(dst);
 
        if (!srcIsSafe || !dstIsSafe) {
            return zeroValue<T>();
        }
 
        // min(max(2 / (1/dst + 1/src), 0), 1)
        composite_type unit = unitValue<T>();
        composite_type s    = div<T>(unit, src);
        composite_type d    = div<T>(unit, dst);
 
        return clamp<T>((unit+unit) * unit / (d+s));
    }

---

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

• libs/pigment/compositeops/KoCompositeOpFunctions.h