func Draw(ind *node.Node, img *imgut.Image) {
// We have to compile the nodes
exec := node.CompileTree(ind).(*binary.Primitive)
// Apply the function
// exec(0 0, float64(img.W), float64(img.H), img)
var call imgut.PixelFunc = func(x, y float64) float64 {
return float64(exec.Eval(binary.NumericIn(x), binary.NumericIn(y)))
}
img.FillMathBounds(call)
}
func MakeFitSSIM(targetImage *imgut.Image) func(*imgut.Image) float64 {
return func(indImage *imgut.Image) float64 {
// Create temporary files
tarTemp, _ := ioutil.TempFile(".", "tarImg")
indTemp, _ := ioutil.TempFile(".", "indImg")
// Schedule for cleaning
defer os.Remove(tarTemp.Name())
defer os.Remove(indTemp.Name())
tarTemp.Close()
indTemp.Close()
// Save images to those files
targetImage.WritePNG(tarTemp.Name())
indImage.WritePNG(indTemp.Name())
// Compute the DSSIM value (dissimilarity)
cmd := exec.Command("./dssim.exe", tarTemp.Name(), indTemp.Name())
var out, stderr bytes.Buffer
cmd.Stdout = &out
cmd.Stderr = &stderr
err := cmd.Run()
if err != nil {
print("ERRORE CON LA CALL", stderr.String())
ooo, _ := cmd.CombinedOutput()
print("Output ")
print(ooo)
panic(err)
}
res := strings.Split(out.String(), "\t")[0]
fit, err := strconv.ParseFloat(res, 64)
if err != nil {
print("ERROR CON CONVERT")
panic(err)
}
return fit
}
}