no bug - Bumping Firefox l10n changesets r=release a=l10n-bump DONTBUILD CLOSED TREE
[gecko.git] / layout / style / StyleColor.cpp
blobdf58cf093d6523f0a27369262ad1332b2c40c760
1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
3 /* This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
7 #include "mozilla/StyleColorInlines.h"
9 #include "mozilla/ComputedStyle.h"
10 #include "mozilla/ComputedStyleInlines.h"
11 #include "mozilla/dom/BindingDeclarations.h"
12 #include "nsIFrame.h"
13 #include "nsStyleStruct.h"
15 namespace mozilla {
17 template <>
18 bool StyleColor::MaybeTransparent() const {
19 // We know that the color is opaque when it's a numeric color with
20 // alpha == 1.0.
21 return !IsAbsolute() || AsAbsolute().alpha != 1.0f;
24 template <>
25 StyleAbsoluteColor StyleColor::ResolveColor(
26 const StyleAbsoluteColor& aForegroundColor) const {
27 if (IsAbsolute()) {
28 return AsAbsolute();
31 if (IsCurrentColor()) {
32 return aForegroundColor;
35 MOZ_ASSERT(IsColorMix(), "should be the only type left at this point.");
36 return Servo_ResolveColor(this, &aForegroundColor);
39 template <>
40 nscolor StyleColor::CalcColor(nscolor aColor) const {
41 return ResolveColor(StyleAbsoluteColor::FromColor(aColor)).ToColor();
44 template <>
45 nscolor StyleColor::CalcColor(
46 const StyleAbsoluteColor& aForegroundColor) const {
47 return ResolveColor(aForegroundColor).ToColor();
50 template <>
51 nscolor StyleColor::CalcColor(const ComputedStyle& aStyle) const {
52 return ResolveColor(aStyle.StyleText()->mColor).ToColor();
55 template <>
56 nscolor StyleColor::CalcColor(const nsIFrame* aFrame) const {
57 return ResolveColor(aFrame->StyleText()->mColor).ToColor();
60 StyleAbsoluteColor StyleAbsoluteColor::ToColorSpace(
61 StyleColorSpace aColorSpace) const {
62 return Servo_ConvertColorSpace(this, aColorSpace);
65 nscolor StyleAbsoluteColor::ToColor() const {
66 auto srgb = ToColorSpace(StyleColorSpace::Srgb);
68 // TODO(tlouw): Needs gamut mapping here. Right now we just hard clip the
69 // components to [0..1], which will yield invalid colors.
70 // https://bugzilla.mozilla.org/show_bug.cgi?id=1626624
71 auto red = std::clamp(srgb.components._0, 0.0f, 1.0f);
72 auto green = std::clamp(srgb.components._1, 0.0f, 1.0f);
73 auto blue = std::clamp(srgb.components._2, 0.0f, 1.0f);
75 return NS_RGBA(nsStyleUtil::FloatToColorComponent(red),
76 nsStyleUtil::FloatToColorComponent(green),
77 nsStyleUtil::FloatToColorComponent(blue),
78 nsStyleUtil::FloatToColorComponent(srgb.alpha));
81 } // namespace mozilla