原始图片: http://www.tiaoyue.com/img/_test/original.jpg (2,457字节)
通过ImageMagick尝试获取缩略图:
convert \
http://www.tiaoyue.com/img/_test/original.jpg \
-thumbnail 200x200\> \
SecondaryCompression.jpg
或者在Windows中:
convert ^
http://www.tiaoyue.com/img/_test/original.jpg ^
-thumbnail 200x200^> ^
SecondaryCompression.jpg
获取文件:
SecondaryCompression.jpg
(2,452字节)
我能否获得目标文件(SecondaryCompression.jpg)而不进行二次压缩,只复制原始图像?(图像的2,457字节)
参考: