86 lines
2.2 KiB
Go
86 lines
2.2 KiB
Go
package main
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import (
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"bytes"
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"fmt"
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"math"
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"strconv"
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)
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const svgTemplate string = `<?xml version="1.0" encoding="UTF-8"?>
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<svg xmlns="http://www.w3.org/2000/svg" width="108" height="20" version="1.1">
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<linearGradient x2="0" y2="100%">
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<stop offset="0" stop-color="#bbb" stop-opacity=".1"/>
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<stop offset="1" stop-opacity=".1"/>
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</linearGradient>
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<mask id="a">
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<rect width="108" height="20" rx="12" fill="#fff"/>
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</mask>
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<g mask="url(#a)">
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<path d="M0 0h66v20H0z" fill="{{.BaseColour}}"/>
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<path d="M66 0h44v20H66z" fill="{{.FillColour}}"/>
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</g>
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<g fill="#fff" text-anchor="middle" font-family="DejaVu Sans,Verdana,Geneva,sans-serif" font-size="11">
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<text x="34" y="14" fill="#010101" fill-opacity="0.5">coverage</text>
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<text x="34" y="13">coverage</text>
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<text x="87" y="15" fill="#010101" fill-opacity=".5">{{.Percentage}}</text>
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<text x="87" y="14">{{.Percentage}}</text>
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</g>
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</svg>`
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const (
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baseColour = "#555"
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modifier float64 = 0.2
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maxValue = 220
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blue = 55
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)
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//Pill used for template
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type CoveragePill struct {
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Percentage string
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BaseColour string
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FillColour string
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}
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func unknownCoveragePill() string {
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pill := CoveragePill{
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"?",
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baseColour,
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baseColour, // Using the base colour for fill colour because unknown
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}
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buf := &bytes.Buffer{}
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baseTemplate.Execute(buf, pill)
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return buf.String()
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}
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func percentageToRGB(percentage float64) string {
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red := modifier + clamp(2-2*math.Pow(percentage, 2), 0, 1)*(1-modifier)
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green := modifier + clamp(2*math.Pow(percentage, 2), 0, 1)*(1-modifier)
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redValue := strconv.Itoa(int(red * maxValue))
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greenValue := strconv.Itoa(int(green * maxValue))
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blueValue := strconv.Itoa(blue)
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return "rgb(" + redValue + ", " + greenValue + ", " + blueValue + ")"
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}
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func clamp(operation float64, min float64, max float64) float64 {
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if operation < min {
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return min
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}
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if operation > max {
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return max
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}
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return operation
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}
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func round(num float64) int {
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return int(num + math.Copysign(0.5, num))
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}
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func toOneDecimal(num float64) string {
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output := math.Pow(10, float64(5))
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return fmt.Sprintf("%.1f", float64(round(num*output))/output)
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}
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