44 lines
918 B
Go
44 lines
918 B
Go
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package main
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import (
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"flag"
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"image"
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"log"
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"os"
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"runtime"
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"github.com/fogleman/primitive/primitive"
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farbfeld "github.com/hullerob/go.farbfeld"
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)
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var (
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shapeCount = flag.Int("count", 150, "number of shapes used")
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repeatShapeCount = flag.Int("repeat-count", 0, "number of extra shapes drawn in each step")
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alpha = flag.Int("alpha", 128, "alpha of all shapes")
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)
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func stepImg(img image.Image, count int) image.Image {
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bg := primitive.MakeColor(primitive.AverageImageColor(img))
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model := primitive.NewModel(img, bg, 512, runtime.NumCPU())
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for range make([]struct{}, count) {
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model.Step(primitive.ShapeTypeTriangle, *alpha, *repeatShapeCount)
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}
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return model.Context.Image()
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}
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func main() {
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flag.Parse()
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img, err := farbfeld.Decode(os.Stdin)
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if err != nil {
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log.Fatal(err)
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}
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err = farbfeld.Encode(os.Stdout, stepImg(img, *shapeCount))
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if err != nil {
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log.Fatal(err)
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}
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}
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