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Add methods to initialize icon generators

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This commit is contained in:
Paul-Christian Volkmer
2022-12-26 12:49:48 +01:00
parent b84f291d2b
commit 18a1c2276b
5 changed files with 36 additions and 17 deletions
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14
icons/ghicons.go
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@ -6,10 +6,20 @@ import (
)
type GhIconGenerator struct {
colorGenerator func([16]byte) color.RGBA
}
func NewGhIconGenerator() *GhIconGenerator {
return &GhIconGenerator{}
}
func (generator *GhIconGenerator) WithColorGenerator(colorGenerator func([16]byte) color.RGBA) *GhIconGenerator {
generator.colorGenerator = colorGenerator
return generator
}
// Based on https://github.com/dgraham/identicon
func (generator *GhIconGenerator) GenIcon(id string, size int, f func([16]byte) color.RGBA) *image.NRGBA {
func (generator *GhIconGenerator) GenIcon(id string, size int) *image.NRGBA {
if size > 512 {
size = 512
}
@ -29,7 +39,7 @@ func (generator *GhIconGenerator) GenIcon(id string, size int, f func([16]byte)
}
}
return drawImage(mirrorData(data, blocks), blocks, size, f(hash))
return drawImage(mirrorData(data, blocks), blocks, size, generator.colorGenerator(hash))
}
// https://processing.org/reference/map_.html