SlFr
https://www.google.sk/search?q=pixel&source=lnms&tbm=isch&sa=X&ei=HfFgUuDPH4TXswamg4D4DA&ved=0CAkQ_AUoAQ&biw=960&bih=505&dpr=1
https://www.google.sk/search?q=pixel&source=lnms&tbm=isch&sa=X&ei=HfFgUuDPH4TXswamg4D4DA&ved=0CAkQ_AUoAQ&biw=960&bih=505&dpr=1#q=Rastrova+grafika&tbm=isch
https://sk.wikipedia.org/wiki/Rastrov%C3%A1_grafika
https://standardy.informatika.sk/node/22
https://cgg.mff.cuni.cz/~vajicek/presentations/rasform1107.pdf
https://gympuo.edupage.org/
