| // Copyright (C) 2015 The Android Open Source Project |
| // |
| // 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. |
| |
| package client |
| |
| import ( |
| "fmt" |
| |
| "github.com/google/gxui" |
| "github.com/google/gxui/math" |
| ) |
| |
| type μs int |
| |
| func (μs μs) String() string { |
| switch { |
| case μs == 0: |
| return "0" |
| case μs > 1e6 || -μs > 1e6: |
| return fmt.Sprintf("%.1fs", float64(μs)/1e6) |
| case μs > 1e3 || -μs > 1e3: |
| return fmt.Sprintf("%.1fms", float64(μs)/1e3) |
| default: |
| return fmt.Sprintf("%dus", μs) |
| } |
| } |
| |
| var thresholdColorDefault = gxui.Color{R: 0.00, G: 0.53, B: 0.74, A: 1} |
| var thresholdColorNear = gxui.Color{R: 0.9, G: 0.53, B: 0.2, A: 1} |
| var thresholdColorOver = gxui.Color{R: 1.0, G: 0.2, B: 0.2, A: 1} |
| |
| const thresholdNearPercent = 90 // Considered 'near' at 90% threshold value |
| |
| func (μs μs) ThresholdColor(target μs) gxui.Color { |
| if μs > target { |
| return thresholdColorOver |
| } else { |
| w := math.RampSat(float32(μs), float32(target*thresholdNearPercent)/100, float32(target)) |
| return gxui.Color{ |
| R: math.Lerpf(thresholdColorDefault.R, thresholdColorNear.R, w), |
| G: math.Lerpf(thresholdColorDefault.G, thresholdColorNear.G, w), |
| B: math.Lerpf(thresholdColorDefault.B, thresholdColorNear.B, w), |
| A: 1, |
| } |
| } |
| } |