CGBlendMode.plusLighter R = MIN(1, S + D) Declarationcase plusLighter See AlsoConstantsCGBlendMode.normalCGBlendMode.multiplyCGBlendMode.screenCGBlendMode.overlayCGBlendMode.darkenCGBlendMode.lightenCGBlendMode.colorDodgeCGBlendMode.colorBurnCGBlendMode.softLightCGBlendMode.hardLightCGBlendMode.differenceCGBlendMode.exclusionCGBlendMode.hueCGBlendMode.saturationCGBlendMode.color