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Add support for SVG identicons

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This commit is contained in:
Paul-Christian Volkmer
2024-05-20 18:03:43 +02:00
parent 5befff0716
commit a39fb686a3
6 changed files with 100 additions and 6 deletions
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15
icons/idicons.go
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@ -34,6 +34,21 @@ func (generator *IdIconGenerator) GenIcon(id string, size int) *image.NRGBA {
return drawImage(mirrorData(data, blocks), blocks, size, generator.colorGenerator(hash))
}
func (generator *IdIconGenerator) GenSvg(id string, size int) string {
id = strings.ToLower(id)
blocks := 5
if size > 512 {
size = 512
}
hash := HashBytes(id)
data := make([]bool, blocks*blocks)
for i := 0; i < len(hash)-1; i++ {
data[i] = hash[i]%2 != hash[i+1]%2
}
return drawSvg(mirrorData(data, blocks), blocks, size, generator.colorGenerator(hash))
}
func ColorV1(hash [16]byte) color.RGBA {
r := 32 + (hash[0]%16)/2<<4
g := 32 + (hash[2]%16)/2<<4