package main

import (
	"os"
	"image"
	_ "image/jpeg"
	_ "image/gif"
	_ "image/png"

	log "github.com/sirupsen/logrus"
)

func getImage(path string) [][][4]uint32 {
	reader, err := os.Open(path)
	if err != nil {
		log.Fatalf("Could not load image: %s",err)
	}
	defer reader.Close()
	m, _, err := image.Decode(reader)
	if err != nil {
		log.Fatal("could not find image in file", err)
	}


	bounds := m.Bounds()

  var pixelmatrix [][][4]uint32
	for x := bounds.Min.X; x < bounds.Max.X; x++ {
		var xRow [][4]uint32
		for y := bounds.Min.Y; y < bounds.Max.Y; y++ {
			var pixel [4]uint32
			pixel[0], pixel[1], pixel[2], pixel[3] = m.At(x, y).RGBA()
			pixel[0] = pixel[0] >>8
			pixel[1] = pixel[1] >>8
			pixel[2] = pixel[2] >>8
			pixel[3] = pixel[3] >>8
			xRow = append(xRow, pixel)
		}
		pixelmatrix = append(pixelmatrix, xRow)
	}

	return pixelmatrix
}