ImageMagick 轉換圖片格式

[root@666 drawable-hdpi-v4]# convert ic_launcher.jpeg ic_launcher.png
[root@666 drawable-hdpi-v4]# file ic_launcher.png 
ic_launcher.png: PNG image data, 72 x 72, 8-bit/color RGB, non-interlaced
[root@666 drawable-hdpi-v4]# ll ic_launcher.
ic_launcher.jpeg  ic_launcher.png   
# rpm -qf /usr/bin/convert 
ImageMagick-6.7.8.9-15.el7_2.x86_64