pcvolkmer/idicon
1
0
Fork 0
mirror of https://github.com/pcvolkmer/idicon.git synced 2025-07-03 04:12:54 +00:00
Code Issues Packages Releases Wiki Activity

Add support for SVG identicons

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

23
icons/ghicons.go
View File

@ -42,6 +42,29 @@ func (generator *GhIconGenerator) GenIcon(id string, size int) *image.NRGBA {
return drawImage(mirrorData(data, blocks), blocks, size, generator.colorGenerator(hash))
}
func (generator *GhIconGenerator) GenSvg(id string, size int) string {
if size > 512 {
size = 512
}
blocks := 5
hash := HashBytes(id)
nibbles := nibbles(hash)
data := make([]bool, blocks*blocks)
for x := 0; x < blocks; x++ {
for y := 0; y < blocks; y++ {
ni := x + blocks*(blocks-y-1)
if x+blocks*y >= 2*blocks {
di := (x + blocks*y) - 2*blocks
data[di] = nibbles[ni%32]%2 == 0
}
}
}
return drawSvg(mirrorData(data, blocks), blocks, size, generator.colorGenerator(hash))
}
// https://processing.org/reference/map_.html
func remap(value uint32, vmin uint32, vmax uint32, dmin uint32, dmax uint32) float32 {
return float32((value-vmin)*(dmax-dmin)) / float32((vmax-vmin)+dmin)