CFColorBurn< T > Struct Template Reference

#include <KoCompositeOpFunctions.h>

Inheritance diagram for CFColorBurn< 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 CFColorBurn< T >

Definition at line 329 of file KoCompositeOpFunctions.h.

Member Function Documentation

composeChannel()

template<class T >

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

inlinestatic

dst-unit is a stable point of color-burn belndmode, it never changes, whatever the value of src channel

Definition at line 331 of file KoCompositeOpFunctions.h.

                                          {
        using namespace Arithmetic;
 
        if (isUnitValueStrict(dst)) {
            return unitValue<T>();
        }
 
        if constexpr (std::numeric_limits<T>::is_integer) {
            // Handle the case where the denominator is 0. See color dodge for a
            // detailed explanation
            if (isZeroValueStrict(src)) {
                return zeroValue<T>();
            }
        }
 
        using composite_type = typename KoColorSpaceMathsTraits<T>::compositetype;
        composite_type divisionResult = div(inv(dst), src);
 
        if constexpr (!std::numeric_limits<T>::is_integer) {
            if (!std::isfinite(divisionResult)) {
                return zeroValue<T>();
            }
        }
 
        return inv<T>(clampToSDR<T>(divisionResult));
    }

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

• libs/pigment/compositeops/KoCompositeOpFunctions.h