| // Copyright 2019 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "ui/color/color_mixer.h" |
| |
| #include "ui/color/color_recipe.h" |
| #include "ui/gfx/color_palette.h" |
| |
| namespace ui { |
| |
| ColorMixer::ColorMixer(const ColorMixer* previous_mixer) |
| : previous_mixer_(previous_mixer) {} |
| |
| ColorMixer::ColorMixer(ColorMixer&&) noexcept = default; |
| |
| ColorMixer& ColorMixer::operator=(ColorMixer&&) noexcept = default; |
| |
| ColorMixer::~ColorMixer() = default; |
| |
| ColorRecipe& ColorMixer::operator[](ColorId id) { |
| DCHECK_COLOR_ID_VALID(id); |
| return recipes_[id]; |
| } |
| |
| void ColorMixer::AddSet(ColorSet&& set) { |
| DCHECK(FindSetWithId(set.id) == sets_.cend()); |
| sets_.push_front(std::move(set)); |
| } |
| |
| SkColor ColorMixer::GetInputColor(ColorId id) const { |
| DCHECK_COLOR_ID_VALID(id); |
| for (const auto& set : sets_) { |
| const auto i = set.colors.find(id); |
| if (i != set.colors.end()) |
| return i->second; |
| } |
| return previous_mixer_ ? previous_mixer_->GetResultColor(id) |
| : gfx::kPlaceholderColor; |
| } |
| |
| SkColor ColorMixer::GetOriginalColorFromSet(ColorId id, |
| ColorSetId set_id) const { |
| DCHECK_COLOR_ID_VALID(id); |
| DCHECK_COLOR_SET_ID_VALID(set_id); |
| const auto i = FindSetWithId(set_id); |
| if (i != sets_.end()) { |
| const auto j = i->colors.find(id); |
| if (j != i->colors.end()) |
| return j->second; |
| } |
| return previous_mixer_ ? previous_mixer_->GetOriginalColorFromSet(id, set_id) |
| : gfx::kPlaceholderColor; |
| } |
| |
| SkColor ColorMixer::GetResultColor(ColorId id) const { |
| DCHECK_COLOR_ID_VALID(id); |
| const SkColor color = GetInputColor(id); |
| const auto i = recipes_.find(id); |
| return (i == recipes_.end()) ? color : i->second.GenerateResult(color, *this); |
| } |
| |
| ColorMixer::ColorSets::const_iterator ColorMixer::FindSetWithId( |
| ColorSetId id) const { |
| return std::find_if(sets_.cbegin(), sets_.cend(), |
| [id](const auto& set) { return set.id == id; }); |
| } |
| |
| } // namespace ui |