Change color of picture to blue in Java

Question

I want to change color of picture to blue but in the output is change only above of the picture. I need to change full picture. What it is the error ?
https://code.sololearn.com/c7eD3rrqd07X/?ref=app

Answer 1

I think so sololearn doesn't support this

Answer 2

Picture.java

https://introcs.cs.princeton.edu/java/stdlib/Picture.java.html

Answer 3

perhaps there is not refresh and showed final result
like pic.show(); after changes

and there are two loops and you need one because pp[] is one dimensional array

source codes
http://coweb.cc.gatech.edu/mediaComp-teach/uploads/41/java-source-11Aug2008.zip
doc
https://www.cc.gatech.edu/classes/AY2009/cs1316_summer/javadoc/SimplePicture.html#getPixels()