C++ library for streaming images (png/jpg/bmp)
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//
// main.cpp
// ImageStreams
//
// Created by Joshua Moerman on 9/7/12.
// Copyright (c) 2012 Vadovas. All rights reserved.
//
#include <iostream>
#include "png.hpp"
#include "bmp.hpp"
#include "basics.hpp"
#include <cmath>
#include <vector>
#include <algorithm>
template <typename ImageType>
void test(std::string filename){
size_t size = 512;
ImageType image(size, size, filename);
for(int y = 0; y < size; ++y){
for(int x = 0; x < size; ++x){
image << typename ImageType::pixel(x ^ y, (2 * x) ^ y, x ^ (2 * y));
}
}
}
template <typename ImageType>
void test2(std::string filename){
size_t size = 256;
ImageType image(size, size, filename);
for(int y = 0; y < size; ++y){
for(int x = 0; x < size; ++x){
if(x < size/2)
image << typename ImageType::pixel(x ^ y);
else
image << typename ImageType::pixel(y);
}
}
}
// because lambdas dont work yet...
inline double nice_rand(){
return rand() / double(RAND_MAX);
}
template <typename ImageType>
void test3(std::string filename){
size_t size = 256;
std::vector<double> arr(size*size);
std::generate_n(arr.begin(), size*size, &nice_rand);
std::vector<double> arr2(size*size, 0);
for(int i = 0; i < size*size; ++i){
for (int j = i - 5; j <= i + 5; ++j) {
if(j < 0 || j >= size*size) continue;
arr2[i] += arr[j] * 0.1;
}
}
ImageType image(size, size, filename);
for(auto x : arr2)
image << typename ImageType::pixel(x);
}
int main(int argc, const char * argv[]){
test<png::png_stream<>>("test.png");
test<bmp::bitmap_stream<>>("test.bmp");
test2<png::png_stream<pixel_formats::Gray>>("test_gray.png");
test2<bmp::bitmap_stream<pixel_formats::Gray>>("test_gray.bmp");
test3<png::png_stream<pixel_formats::Gray>>("test_3.png");
test3<bmp::bitmap_stream<pixel_formats::Gray>>("test_3.bmp");
}