import PIL
from PIL import Image
from PIL import ImageDraw
from PIL import ImageFont
import urllib.request
with urllib.request.urlopen('http://pastebin.ca/raw/2311595') as in_file:
hex_data = in_file.read()
print(hex_data)
img = Image.frombuffer('RGB', (320,240), hex_data) #i have tried fromstring
draw = ImageDraw.Draw(img)
font = ImageFont.truetype("arial.ttf",14)
draw.text((0, 220),"This is a test11",(255,255,0),font=font)
draw = ImageDraw.Draw(img)
img.save("a_test.jpg")
我正在尝试将二进制转换为图像,然后绘制文本。但是我遇到了以下错误:
img = Image.frombuffer('RGB', (320,240), hex_data)
raise ValueError("not enough image data")
ValueError: not enough image data
我已经将字节字符串上传到这里http://pastebin.ca/raw/2311595
而且图片大小我可以确定是320x240。
额外信息
我可以确定这些图片的字节字符串是从320x240的图片中生成的,只需运行代码即可从字节字符串创建图像。
import urllib.request
import binascii
import struct
# Download the data.
with urllib.request.urlopen('http://pastebin.ca/raw/2311595') as in_file:
hex_data = in_file.read()
# Unhexlify the data.
bin_data = binascii.unhexlify(hex_data)
print(bin_data)
# Remove the embedded lengths.
jpeg_data = bin_data
# Write out the JPEG.
with open('out.jpg', 'wb') as out_file:
out_file.write(jpeg_data)
问题已解决,以下是更新后的代码
from PIL import Image
from PIL import ImageDraw
from PIL import ImageFont
import urllib.request
import io
import binascii
data = urllib.request.urlopen('http://pastebin.ca/raw/2311595').read()
r_data = binascii.unhexlify(data)
#r_data = "".unhexlify(chr(int(b_data[i:i+2],16)) for i in range(0, len(b_data),2))
stream = io.BytesIO(r_data)
img = Image.open(stream)
draw = ImageDraw.Draw(img)
font = ImageFont.truetype("arial.ttf",14)
draw.text((0, 220),"This is a test11",(255,255,0),font=font)
draw = ImageDraw.Draw(img)
img.save("a_test.png")