mirror of
https://github.com/Luzifer/go-latestver.git
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73 lines
1.7 KiB
Go
73 lines
1.7 KiB
Go
// Package badge contains a SVG-badge generator creating a badge from
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// title, text and color
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package badge
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import (
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"bytes"
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"html/template"
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"github.com/tdewolff/minify/v2"
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"github.com/tdewolff/minify/v2/svg"
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)
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const (
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xSpacing = 8
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)
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const (
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colorNameBlue = "blue"
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colorNameBrightGreen = "brightgreen"
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colorNameGray = "gray"
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colorNameGreen = "green"
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colorNameLightGray = "lightgray"
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colorNameOrange = "orange"
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colorNameRed = "red"
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colorNameYellow = "yellow"
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colorNameYellowGreen = "yellowgreen"
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)
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var colorList = map[string]string{
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colorNameBlue: "007ec6",
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colorNameBrightGreen: "4c1",
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colorNameGray: "555",
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colorNameGreen: "97CA00",
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colorNameLightGray: "9f9f9f",
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colorNameOrange: "fe7d37",
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colorNameRed: "e05d44",
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colorNameYellow: "dfb317",
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colorNameYellowGreen: "a4a61d",
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}
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// Create renders the badge and returns the SVG in minified but
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// uncompressed form
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func Create(title, text, color string) []byte {
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var buf bytes.Buffer
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titleW, _ := calculateTextWidth(title)
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textW, _ := calculateTextWidth(text)
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width := titleW + textW + 4*xSpacing //nolint:gomnd
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t, _ := assets.ReadFile("badge.svg.tpl")
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tpl, _ := template.New("svg").Parse(string(t))
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if c, ok := colorList[color]; ok {
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color = c
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}
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_ = tpl.Execute(&buf, map[string]any{
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"Width": width,
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"TitleWidth": titleW + 2*xSpacing,
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"Title": title,
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"Text": text,
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"TitleAnchor": titleW/2 + xSpacing,
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"TextAnchor": titleW + textW/2 + 3*xSpacing,
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"Color": color,
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})
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m := minify.New()
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m.AddFunc("image/svg+xml", svg.Minify)
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out, _ := m.Bytes("image/svg+xml", buf.Bytes())
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return out
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}
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