CFPinLight< T > Struct Template Reference

#include <KoCompositeOpFunctions.h>

Inheritance diagram for CFPinLight< 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 CFPinLight< T >

Definition at line 571 of file KoCompositeOpFunctions.h.

Member Function Documentation

composeChannel()

template<class T >

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

inlinestatic

b is guaranteed to be in range 0...1 since the inputs are clamped, so no additional clamping is needed

Definition at line 572 of file KoCompositeOpFunctions.h.

                                                 {
        using namespace Arithmetic;
        using composite_type = typename KoColorSpaceMathsTraits<T>::compositetype;
 
        // TODO: verify that the formula is correct (the first max would be useless here)
        // max(0, max(2*src-1, min(dst, 2*src)))
        composite_type src2 = composite_type(src) + src;
        composite_type a    = qMin<composite_type>(dst, src2);
        composite_type b    = qMax<composite_type>(src2-Arithmetic::unitValue<T>(), a);
 
        return b;
    }

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

• libs/pigment/compositeops/KoCompositeOpFunctions.h