| // Copyright 2018 The Fuchsia Authors. All rights reserved. |
| // Copyright 2016 Joe Wilm, The Alacritty Project Contributors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| use std::ops::Mul; |
| |
| #[derive(Debug, Eq, PartialEq, Copy, Clone, Default)] |
| pub struct Rgb { |
| pub r: u8, |
| pub g: u8, |
| pub b: u8, |
| } |
| |
| // a multiply function for Rgb, as the default dim is just *2/3 |
| impl Mul<f32> for Rgb { |
| type Output = Rgb; |
| |
| fn mul(self, rhs: f32) -> Rgb { |
| let result = Rgb { |
| r: (f32::from(self.r) * rhs).max(0.0).min(255.0) as u8, |
| g: (f32::from(self.g) * rhs).max(0.0).min(255.0) as u8, |
| b: (f32::from(self.b) * rhs).max(0.0).min(255.0) as u8 |
| }; |
| |
| trace!("Scaling RGB by {} from {:?} to {:?}", rhs, self, result); |
| |
| result |
| } |
| } |
