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要實(shí)現(xiàn)上面的功能還是比較簡單的执桌，先把三通道圖像轉(zhuǎn)為灰度圖像家厌，然后根據(jù)灰度值進(jìn)行替換扔仓。
def img2txt(path):
im = Image.open(path).convert('L').resize((100,100))
data = np.array(im)
lines = []
for i in range(100):
line = []
for j in range(100):
c = data[i,j]
if c>200:
x = ' '
elif c>150:
x = '&'
elif c>100:
x = '%'
else :
x = '*'
line.append(x)
lines.append(''.join(line))
return lines
除了把這些圖像轉(zhuǎn)為符號(hào)之外褐奥，我們還可以把這些符號(hào)轉(zhuǎn)為圖片。
#params:lines=text lines,size=font size,font = font type
def lines2img(lines,size=10,font ='simfang.ttf'):
im = Image.new('RGB',(1000,1000),(255,255,255))
font = ImageFont.truetype(font,10)
draw = ImageDraw.Draw(im)
for i,l in enumerate(lines):
for j,c in enumerate(l):
draw.text((j*10,i*10),c,font=font,fill=(0,0,0))
return im
