44 lines
858 B
Go
44 lines
858 B
Go
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package main
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import (
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"os"
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"image"
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_ "image/jpeg"
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_ "image/gif"
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_ "image/png"
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log "github.com/sirupsen/logrus"
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)
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func getImage(path string) [][][4]uint32 {
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reader, err := os.Open(path)
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if err != nil {
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log.Fatalf("Could not load image: %s",err)
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}
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defer reader.Close()
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m, _, err := image.Decode(reader)
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if err != nil {
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log.Fatal("could not find image in file", err)
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}
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bounds := m.Bounds()
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var pixelmatrix [][][4]uint32
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for x := bounds.Min.X; x < bounds.Max.X; x++ {
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var xRow [][4]uint32
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for y := bounds.Min.Y; y < bounds.Max.Y; y++ {
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var pixel [4]uint32
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pixel[0], pixel[1], pixel[2], pixel[3] = m.At(x, y).RGBA()
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pixel[0] = pixel[0] >>8
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pixel[1] = pixel[1] >>8
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pixel[2] = pixel[2] >>8
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pixel[3] = pixel[3] >>8
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xRow = append(xRow, pixel)
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}
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pixelmatrix = append(pixelmatrix, xRow)
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}
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return pixelmatrix
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}
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