1 files changed, 78 insertions, 0 deletions
diff --git a/layout/style/StyleColorInlines.h b/layout/style/StyleColorInlines.h
new file mode 100644
index 0000000000..b7cc9f1ad6
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+++ b/layout/style/StyleColorInlines.h
@@ -0,0 +1,78 @@
+/* -*- 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_