image2ascii.py 文件源码

def converttochars(pixarray):
    #array of chars in increasing darnkess
    chars = [' ', '.','-','~','=','!',']','}','#','$','%','&','@',]
    procarray = numpy.chararray(pixarray.shape)
    k = 0
    for row in pixarray:
        j = 0
        for val in row:
            val = 255.0-val
            i =  ((len(chars)-1)*(val/255.0))
            i = int(round(i))
            procarray[k][j] = chars[i]
            j+=1
        k+=1
    return procarray


#get array of  pixel values