示例#1
0
        /// <summary>
        /// Adapts a <see cref="LinearRgb"/> color from the source working space to working space set in <see cref="TargetRgbWorkingSpace"/>.
        /// </summary>
        /// <param name="color">The color to adapt</param>
        /// <returns>The adapted color</returns>
        public LinearRgb Adapt(LinearRgb color)
        {
            Guard.NotNull(color, nameof(color));

            if (!this.IsChromaticAdaptationPerformed)
            {
                throw new InvalidOperationException("Cannot perform chromatic adaptation, provide a chromatic adaptation method and white point.");
            }

            if (color.WorkingSpace.Equals(this.TargetRgbWorkingSpace))
            {
                return(color);
            }

            // Conversion to XYZ
            LinearRgbToCieXyzConverter converterToXYZ = this.GetLinearRgbToCieXyzConverter(color.WorkingSpace);
            CieXyz unadapted = converterToXYZ.Convert(color);

            // Adaptation
            CieXyz adapted = this.ChromaticAdaptation.Transform(unadapted, color.WorkingSpace.WhitePoint, this.TargetRgbWorkingSpace.WhitePoint);

            // Conversion back to RGB
            CieXyzToLinearRgbConverter converterToRGB = this.GetCieXyxToLinearRgbConverter(this.TargetRgbWorkingSpace);

            return(converterToRGB.Convert(adapted));
        }
示例#2
0
        /// <summary>
        /// Converts a <see cref="CieXyz"/> into a <see cref="LinearRgb"/>
        /// </summary>
        /// <param name="color">The color to convert.</param>
        /// <returns>The <see cref="LinearRgb"/></returns>
        public LinearRgb ToLinearRgb(CieXyz color)
        {
            // Adaptation
            CieXyz adapted = this.TargetRgbWorkingSpace.WhitePoint.Equals(this.WhitePoint) || !this.IsChromaticAdaptationPerformed
                ? color
                : this.ChromaticAdaptation.Transform(color, this.WhitePoint, this.TargetRgbWorkingSpace.WhitePoint);

            // Conversion
            CieXyzToLinearRgbConverter xyzConverter = this.GetCieXyxToLinearRgbConverter(this.TargetRgbWorkingSpace);

            return(xyzConverter.Convert(adapted));
        }