| /* |
| * Copyright (C) 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 INC. 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 INC. 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 "ColorComponents.h" |
| |
| namespace WebCore { |
| |
| template<typename T> struct SRGBA { |
| T red; |
| T green; |
| T blue; |
| T alpha; |
| }; |
| |
| template<typename T> SRGBA(T, T, T, T) -> SRGBA<T>; |
| |
| template<typename T> constexpr ColorComponents<T> asColorComponents(const SRGBA<T>& c) |
| { |
| return { c.red, c.green, c.blue, c.alpha }; |
| } |
| |
| template<typename T> constexpr SRGBA<T> asSRGBA(const ColorComponents<T>& c) |
| { |
| return { c[0], c[1], c[2], c[3] }; |
| } |
| |
| template<typename T> constexpr bool operator==(const SRGBA<T>& a, const SRGBA<T>& b) |
| { |
| return asColorComponents(a) == asColorComponents(b); |
| } |
| |
| template<typename T> constexpr bool operator!=(const SRGBA<T>& a, const SRGBA<T>& b) |
| { |
| return !(a == b); |
| } |
| |
| template<typename T, typename Functor> void forEachNonAlphaComponent(SRGBA<T>& color, Functor&& f) |
| { |
| color.red = f(color.red); |
| color.green = f(color.green); |
| color.blue = f(color.blue); |
| } |
| |
| |
| template<typename T> struct LinearSRGBA { |
| T red; |
| T green; |
| T blue; |
| T alpha; |
| }; |
| |
| template<typename T> LinearSRGBA(T, T, T, T) -> LinearSRGBA<T>; |
| |
| template<typename T> constexpr ColorComponents<T> asColorComponents(const LinearSRGBA<T>& c) |
| { |
| return { c.red, c.green, c.blue, c.alpha }; |
| } |
| |
| template<typename T> constexpr LinearSRGBA<T> asLinearSRGBA(const ColorComponents<T>& c) |
| { |
| return { c[0], c[1], c[2], c[3] }; |
| } |
| |
| template<typename T> constexpr bool operator==(const LinearSRGBA<T>& a, const LinearSRGBA<T>& b) |
| { |
| return asColorComponents(a) == asColorComponents(b); |
| } |
| |
| template<typename T> constexpr bool operator!=(const LinearSRGBA<T>& a, const LinearSRGBA<T>& b) |
| { |
| return !(a == b); |
| } |
| |
| |
| template<typename T> struct DisplayP3 { |
| T red; |
| T green; |
| T blue; |
| T alpha; |
| }; |
| |
| template<typename T> DisplayP3(T, T, T, T) -> DisplayP3<T>; |
| |
| template<typename T> constexpr ColorComponents<T> asColorComponents(const DisplayP3<T>& c) |
| { |
| return { c.red, c.green, c.blue, c.alpha }; |
| } |
| |
| template<typename T> constexpr DisplayP3<T> asDisplayP3(const ColorComponents<T>& c) |
| { |
| return { c[0], c[1], c[2], c[3] }; |
| } |
| |
| template<typename T> constexpr bool operator==(const DisplayP3<T>& a, const DisplayP3<T>& b) |
| { |
| return asColorComponents(a) == asColorComponents(b); |
| } |
| |
| template<typename T> constexpr bool operator!=(const DisplayP3<T>& a, const DisplayP3<T>& b) |
| { |
| return !(a == b); |
| } |
| |
| |
| template<typename T> struct LinearDisplayP3 { |
| T red; |
| T green; |
| T blue; |
| T alpha; |
| }; |
| |
| template<typename T> LinearDisplayP3(T, T, T, T) -> LinearDisplayP3<T>; |
| |
| template<typename T> constexpr ColorComponents<T> asColorComponents(const LinearDisplayP3<T>& c) |
| { |
| return { c.red, c.green, c.blue, c.alpha }; |
| } |
| |
| template<typename T> constexpr LinearDisplayP3<T> asLinearDisplayP3(const ColorComponents<T>& c) |
| { |
| return { c[0], c[1], c[2], c[3] }; |
| } |
| |
| template<typename T> constexpr bool operator==(const LinearDisplayP3<T>& a, const LinearDisplayP3<T>& b) |
| { |
| return asColorComponents(a) == asColorComponents(b); |
| } |
| |
| template<typename T> constexpr bool operator!=(const LinearDisplayP3<T>& a, const LinearDisplayP3<T>& b) |
| { |
| return !(a == b); |
| } |
| |
| |
| template<typename T> struct HSLA { |
| T hue; |
| T saturation; |
| T lightness; |
| T alpha; |
| }; |
| |
| template<typename T> HSLA(T, T, T, T) -> HSLA<T>; |
| |
| template<typename T> constexpr ColorComponents<T> asColorComponents(const HSLA<T>& c) |
| { |
| return { c.hue, c.saturation, c.lightness, c.alpha }; |
| } |
| |
| template<typename T> constexpr HSLA<T> asHSLA(const ColorComponents<T>& c) |
| { |
| return { c[0], c[1], c[2], c[3] }; |
| } |
| |
| template<typename T> constexpr bool operator==(const HSLA<T>& a, const HSLA<T>& b) |
| { |
| return asColorComponents(a) == asColorComponents(b); |
| } |
| |
| template<typename T> constexpr bool operator!=(const HSLA<T>& a, const HSLA<T>& b) |
| { |
| return !(a == b); |
| } |
| |
| |
| // FIXME: When ColorComponents supports more than length == 4, add conversion to/from ColorComponents<T> for CMYKA |
| template<typename T> struct CMYKA { |
| T cyan; |
| T magenta; |
| T yellow; |
| T black; |
| T alpha; |
| }; |
| |
| template<typename T> CMYKA(T, T, T, T, T) -> CMYKA<T>; |
| |
| template<typename T> constexpr bool operator==(const CMYKA<T>& a, const CMYKA<T>& b) |
| { |
| return a.cyan == b.cyan && a.magenta == b.magenta && a.yellow == b.yellow && a.black == b.black && a.alpha == b.alpha; |
| } |
| |
| template<typename T> constexpr bool operator!=(const CMYKA<T>& a, const CMYKA<T>& b) |
| { |
| return !(a == b); |
| } |
| |
| |
| template<typename T> struct XYZA { |
| T x; |
| T y; |
| T z; |
| T alpha; |
| }; |
| |
| template<typename T> XYZA(T, T, T, T) -> XYZA<T>; |
| |
| template<typename T> constexpr ColorComponents<T> asColorComponents(const XYZA<T>& c) |
| { |
| return { c.x, c.y, c.z, c.alpha }; |
| } |
| |
| template<typename T> constexpr XYZA<T> asXYZA(const ColorComponents<T>& c) |
| { |
| return { c[0], c[1], c[2], c[3] }; |
| } |
| |
| template<typename T> constexpr bool operator==(const XYZA<T>& a, const XYZA<T>& b) |
| { |
| return asColorComponents(a) == asColorComponents(b); |
| } |
| |
| template<typename T> constexpr bool operator!=(const XYZA<T>& a, const XYZA<T>& b) |
| { |
| return !(a == b); |
| } |
| |
| } // namespace WebCore |