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ea7954f069
Close #24508 Main changes: As discussed in the issue 1. Change luminance calculation function to use [Relative Luminance](https://www.w3.org/WAI/GL/wiki/Relative_luminance) 2. Move the luminance related functions into color.go/color.js 3. Add tests for both the files (Not sure if test cases are too many now) Before (tests included by `UseLightTextOnBackground` are labels started with `##`): https://try.gitea.io/HesterG/testrepo/labels After: <img width="1307" alt="Screen Shot 2023-05-08 at 13 37 55" src="https://user-images.githubusercontent.com/17645053/236742562-fdfc3a4d-2fab-466b-9613-96f2bf96b4bc.png"> <img width="1289" alt="Screen Shot 2023-05-08 at 13 38 06" src="https://user-images.githubusercontent.com/17645053/236742570-022db68e-cec0-43bb-888a-fc54f5332cc3.png"> <img width="1299" alt="Screen Shot 2023-05-08 at 13 38 20" src="https://user-images.githubusercontent.com/17645053/236742572-9af1de45-fb7f-460b-828d-ba25fae20f51.png"> --------- Co-authored-by: silverwind <me@silverwind.io> Co-authored-by: Giteabot <teabot@gitea.io>
66 lines
1.6 KiB
Go
66 lines
1.6 KiB
Go
// Copyright 2023 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package util
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func Test_HexToRBGColor(t *testing.T) {
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cases := []struct {
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colorString string
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expectedR float64
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expectedG float64
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expectedB float64
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}{
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{"2b8685", 43, 134, 133},
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{"1e1", 17, 238, 17},
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{"#1e1", 17, 238, 17},
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{"1e16", 17, 238, 17},
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{"3bb6b3", 59, 182, 179},
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{"#3bb6b399", 59, 182, 179},
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{"#0", 0, 0, 0},
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{"#00000", 0, 0, 0},
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{"#1234567", 0, 0, 0},
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}
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for n, c := range cases {
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r, g, b := HexToRBGColor(c.colorString)
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assert.Equal(t, c.expectedR, r, "case %d: error R should match: expected %f, but get %f", n, c.expectedR, r)
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assert.Equal(t, c.expectedG, g, "case %d: error G should match: expected %f, but get %f", n, c.expectedG, g)
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assert.Equal(t, c.expectedB, b, "case %d: error B should match: expected %f, but get %f", n, c.expectedB, b)
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}
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}
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func Test_UseLightTextOnBackground(t *testing.T) {
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cases := []struct {
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r float64
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g float64
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b float64
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expected bool
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}{
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{215, 58, 74, true},
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{0, 117, 202, true},
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{207, 211, 215, false},
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{162, 238, 239, false},
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{112, 87, 255, true},
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{0, 134, 114, true},
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{228, 230, 105, false},
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{216, 118, 227, true},
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{255, 255, 255, false},
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{43, 134, 133, true},
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{43, 135, 134, true},
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{44, 135, 134, true},
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{59, 182, 179, true},
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{124, 114, 104, true},
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{126, 113, 108, true},
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{129, 112, 109, true},
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{128, 112, 112, true},
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}
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for n, c := range cases {
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result := UseLightTextOnBackground(c.r, c.g, c.b)
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assert.Equal(t, c.expected, result, "case %d: error should match", n)
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}
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}
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