PNG image cropper fail for fix image size

[prajaktadumbre]

I want the same image height and width so i have set result-image-size="{w: 304,h: 167}" but when i try for different png image the height of result image is not fix it may increase or decrease

[CrackerakiUA]

Hey, please drop link to codepen with the images you are trying

[prajaktadumbre]

https://codepen.io/Crackeraki/pen/zvWqJM

hi, I am referring above link. please check attachment. I have attached some png images. I want to crop this image with size {w: 304,h: 167} but when I crop this image its height does not fix its decrease or increase for some image
https://user-images.githubusercontent.com/38855871/45939935-bf2aa000-bff3-11e8-8dab-5712c98fb3b9.png

https://user-images.githubusercontent.com/38855871/45939966-e8e3c700-bff3-11e8-8dd9-5993216e8631.png

[prajaktadumbre]

please solve this issue ASAP

[CrackerakiUA]

ok, I have reproduced it, I will try to solve this when I have free time.
feel free to try fix it by your self and make PR.