/* * Copyright (C) 2017, 2020 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #pragma once #include "ColorTypes.h" namespace WebCore { // These are the standard sRGB <-> LinearRGB / DisplayP3 <-> LinearDisplayP3 conversion functions (https://en.wikipedia.org/wiki/SRGB). float linearToRGBColorComponent(float); float rgbToLinearColorComponent(float); WEBCORE_EXPORT LinearSRGBA<float> toLinearSRGBA(const SRGBA<float>&); WEBCORE_EXPORT SRGBA<float> toSRGBA(const LinearSRGBA<float>&); WEBCORE_EXPORT LinearDisplayP3<float> toLinearDisplayP3(const DisplayP3<float>&); WEBCORE_EXPORT DisplayP3<float> toDisplayP3(const LinearDisplayP3<float>&); WEBCORE_EXPORT SRGBA<float> toSRGBA(const DisplayP3<float>&); WEBCORE_EXPORT DisplayP3<float> toDisplayP3(const SRGBA<float>&); WEBCORE_EXPORT HSLA<float> toHSLA(const SRGBA<float>&); WEBCORE_EXPORT SRGBA<float> toSRGBA(const HSLA<float>&); SRGBA<float> toSRGBA(const CMYKA<float>&); // Identity conversions (useful for generic contexts) constexpr SRGBA<float> toSRGBA(const SRGBA<float>& color) { return color; } constexpr LinearSRGBA<float> toLinearSRGBA(const LinearSRGBA<float>& color) { return color; } constexpr DisplayP3<float> toDisplayP3(const DisplayP3<float>& color) { return color; } constexpr LinearDisplayP3<float> toLinearDisplayP3(const LinearDisplayP3<float>& color) { return color; } constexpr HSLA<float> toHSLA(const HSLA<float>& color) { return color; } } // namespace WebCore