Pixel Art Filter

Pixel Art Filter is an image filter that pixelates PNG images using a lossy image compression algorithm, written in C++ using clang and LodePNG.

Prerequisites

To run this project, after cloning it:

Add LodePNG

LodePNG is used to encode and deocde PNG images:

• Add lodepng.cpp and lodepng.h files from https://lodev.org/lodepng/ to the util/lodepng/ folder

Clang

Clang is used to compile the project:

• Installing clang on a local machine is different depending on the OS
• A tutorial can be found online

Deployment

To compile the project, use the command:

make

And once that is finished, run the project using:

./paf

Once this is completed the output will be in the images/ folder.

You can also remove the compiler output files by running the command:

make clean

##Create different effects To add your own images, add PNG files to the images/ folder.

Go to main.cpp and modify the parameters:

origImg1.readFromFile("images/starry-night.png");
origImg2.readFromFile("images/mona-lisa.png");
origImg3.readFromFile("images/hokusai.png");

To play with the pixelation effect, modify the parameters:

t1.prune(0.99, 8500);
t2.prune(0.99, 8500);
t3.prune(0.95, 8500);

Finally, to change the output image names, modify the parameters:

pic1.writeToFile("images/output-starry-night.png");
pic2.writeToFile("images/output-mona-lisa.png");
pic3.writeToFile("images/output-hokusai.png");