C++ glitch-art helper code.Compile this glitcher.exe, then drag a jpg or gif onto it. A "filename.glitched.ext" will be created alongside the original and will have several random bytes randomized.

glitcher.cpp

// C++ glitch-art creation tool
// written by eerock@github.com

#include <cstdio>
#include <cstdlib>
#include <ctime>
#include <iostream>
#include <fstream>
#include <string>

static const int num_glitched_bytes = 8;

int main(int argc, char* argv[]) {
	if (argc < 2) {
		std::cout << "Usage:" << std::endl;
		std::cout << "\tglitcher <filename>" << std::endl;
		return -1;
	}

	srand(static_cast<unsigned int>(time(0)));

	std::string filename(argv[1]);
	std::ifstream filein;
	filein.open(filename.c_str(), std::ios::in | std::ios::ate | std::ios::binary);
	//std::cout << "File: " << filename << std::endl;

	std::ofstream fileout;
	size_t extidx = filename.rfind(".");
	if (extidx != std::string::npos) {
		filename.insert(extidx, ".glitched");
	}
	fileout.open(filename.c_str(), std::ios::out | std::ios::trunc | std::ios::binary);
	//std::cout << "Out : " << filename << std::endl;

	if (filein.is_open() && fileout.is_open()) {
		// operate on the binary data...
		// first find the size of the file...
		size_t sz = filein.tellg();
		filein.seekg(0, std::ios::beg);
		std::cout << "Size: " << sz << std::endl;

		// read the file into a buffer...
		char* buffer = new char[sz];
		if (buffer) {
			filein.read(buffer, sz);
		}

		// glitch random bytes to random values...
		for (int i = 0; i < num_glitched_bytes; ++i) {
			size_t glitch_pos = rand() % sz;
			buffer[glitch_pos] = rand() % 256;
		}

		// write the result to fileout...
		fileout.write(buffer, sz);
		delete [] buffer;
	}

	filein.close();
	fileout.close();

	return 0;
}