gecko-dev/layout/style/StyleColorInlines.h
Emilio Cobos Álvarez 638023604b Bug 1847900 - Rename TRANSPARENT constant to TRANSPARENT_BLACK. r=layout-reviewers,jfkthame
This works around ifdef issues in some platforms.

Differential Revision: https://phabricator.services.mozilla.com/D189475
2023-09-28 10:36:12 +00:00

79 lines
2.3 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/* Inline functions for StyleColor (aka values::computed::Color) */
#ifndef mozilla_StyleColorInlines_h_
#define mozilla_StyleColorInlines_h_
#include "nsColor.h"
#include "mozilla/ServoStyleConsts.h"
#include "nsStyleUtil.h"
namespace mozilla {
inline StyleAbsoluteColor StyleAbsoluteColor::FromColor(nscolor aColor) {
return StyleAbsoluteColor::SrgbLegacy(
NS_GET_R(aColor) / 255.0f, NS_GET_G(aColor) / 255.0f,
NS_GET_B(aColor) / 255.0f, NS_GET_A(aColor) / 255.0f);
}
// static
inline StyleAbsoluteColor StyleAbsoluteColor::SrgbLegacy(float red, float green,
float blue,
float alpha) {
const auto ToLegacyComponent = [](float aF) {
if (MOZ_UNLIKELY(!std::isfinite(aF))) {
return 0.0f;
}
return aF;
};
return StyleAbsoluteColor{
StyleColorComponents{ToLegacyComponent(red), ToLegacyComponent(green),
ToLegacyComponent(blue)},
alpha, StyleColorSpace::Srgb, StyleColorFlags::IS_LEGACY_SRGB};
}
template <>
inline StyleColor StyleColor::FromColor(nscolor aColor) {
return StyleColor::Absolute(StyleAbsoluteColor::FromColor(aColor));
}
template <>
inline StyleColor StyleColor::Transparent() {
return StyleColor::Absolute(StyleAbsoluteColor::TRANSPARENT_BLACK);
}
template <>
inline StyleColor StyleColor::Black() {
return StyleColor::Absolute(StyleAbsoluteColor::BLACK);
}
template <>
inline StyleColor StyleColor::White() {
return StyleColor::Absolute(StyleAbsoluteColor::WHITE);
}
template <>
StyleAbsoluteColor StyleColor::ResolveColor(const StyleAbsoluteColor&) const;
template <>
nscolor StyleColor::CalcColor(const StyleAbsoluteColor&) const;
template <>
nscolor StyleColor::CalcColor(nscolor) const;
template <>
nscolor StyleColor::CalcColor(const ComputedStyle&) const;
template <>
nscolor StyleColor::CalcColor(const nsIFrame*) const;
} // namespace mozilla
#endif // mozilla_StyleColor_h_