Positive Images in Night Mode

What steps will reproduce the problem?
1. Open any document with images. 
2. Turn on "Night Mode" 
3. Turn on "Positive Images in Night Mode" 

What is the expected output?
A colored positive image 

What do you see instead?
A grayscaled positive image 

What version of the product are you using?
Play Store

On what operating system?
Android 

What device are you using?
Nexus 7

There are many images in my pdfs that cannot be understood in Grayscaled 
format. For example graphs of various kinds. If this is a deliberately missing 
feature, can we add this support as an enhancement?

Original issue reported on code.google.com by utkarshs...@gmail.com on 7 Jul 2014 at 4:15

MarnoRossouw / ebookdroid

Positive Images in Night Mode #817