layout/style/StyleColorInlines.h

   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/. */
   6
   7 /* Inline functions for StyleColor (aka values::computed::Color) */
   8
   9 #ifndef mozilla_StyleColorInlines_h_
  10 #define mozilla_StyleColorInlines_h_
  11
  12 #include "nsColor.h"
  13 #include "mozilla/ServoStyleConsts.h"
  14 #include "nsStyleUtil.h"
  15
  16 namespace mozilla {
  17
  18 inline StyleAbsoluteColor StyleAbsoluteColor::FromColor(nscolor aColor) {
  19   return StyleAbsoluteColor::Srgb(
  20       NS_GET_R(aColor) / 255.0f, NS_GET_G(aColor) / 255.0f,
  21       NS_GET_B(aColor) / 255.0f, NS_GET_A(aColor) / 255.0f);
  22 }
  23
  24 // static
  25 inline StyleAbsoluteColor StyleAbsoluteColor::Srgb(float red, float green,
  26                                                    float blue, float alpha) {
  27   return StyleAbsoluteColor{StyleColorComponents{red, green, blue}, alpha,
  28                             StyleColorSpace::Srgb, StyleColorFlags{0}};
  29 }
  30
  31 inline StyleAbsoluteColor StyleAbsoluteColor::Transparent() {
  32   return StyleAbsoluteColor::Srgb(0.0f, 0.0f, 0.0f, 0.0f);
  33 }
  34
  35 inline StyleAbsoluteColor StyleAbsoluteColor::Black() {
  36   return StyleAbsoluteColor::Srgb(0.0f, 0.0f, 0.0f, 1.0f);
  37 }
  38
  39 inline StyleAbsoluteColor StyleAbsoluteColor::White() {
  40   return StyleAbsoluteColor::Srgb(1.0f, 1.0f, 1.0f, 1.0f);
  41 }
  42
  43 template <>
  44 inline StyleColor StyleColor::FromColor(nscolor aColor) {
  45   return StyleColor::Absolute(StyleAbsoluteColor::FromColor(aColor));
  46 }
  47
  48 template <>
  49 inline StyleColor StyleColor::Black() {
  50   return FromColor(NS_RGB(0, 0, 0));
  51 }
  52
  53 template <>
  54 inline StyleColor StyleColor::White() {
  55   return FromColor(NS_RGB(255, 255, 255));
  56 }
  57
  58 template <>
  59 inline StyleColor StyleColor::Transparent() {
  60   return FromColor(NS_RGBA(0, 0, 0, 0));
  61 }
  62
  63 template <>
  64 StyleAbsoluteColor StyleColor::ResolveColor(const StyleAbsoluteColor&) const;
  65
  66 template <>
  67 nscolor StyleColor::CalcColor(const StyleAbsoluteColor&) const;
  68
  69 template <>
  70 nscolor StyleColor::CalcColor(nscolor) const;
  71
  72 template <>
  73 nscolor StyleColor::CalcColor(const ComputedStyle&) const;
  74
  75 template <>
  76 nscolor StyleColor::CalcColor(const nsIFrame*) const;
  77
  78 }  // namespace mozilla
  79
  80 #endif  // mozilla_StyleColor_h_