2 Author: Bryan Steinbach
6 Enter image search query in <Input> field, click <Run query>
8 Refresh: Reloads image from disk
9 Rotate 90: Rotates image by 90 degrees clockwise
10 Rotate color: Rotates color space RGB -> BGR
11 RGB to YUV: Changes color space RGB -> YUV
12 YUV to RGB: Changes color space YUV -> RGB