inline vector<int> buildVector(BlockPNG const & b, int d)
{
vector<int> v;
for (int i = 1; i <= (b.width() * b.height()) / (d * d); i++)
v.push_back(i);
return v;
}
void testSort()
{
cout << "[main]: " << __func__ << "()" << endl;
srand(225);
// read in image to be shuffled
BlockPNG b;
b.readFromFile("in_01.png");
int d = 60;
vector<int> v = buildVector(b, d);
random_shuffle(v.begin(), v.end());
// generate shuffled image (done for you already)
PNG b2 = b.genImg(v, d);
b2.writeToFile("in_01_shuffled_60_exp.png");
// make list and sort it
List<int> img_srt(v.begin(), v.end());
img_srt.sort();
// vectorize and rebuild image
vector<int> v2(img_srt.begin(), img_srt.end());
PNG b3 = b.genImg(v2, d);
b3.writeToFile("unshuffled_60.png");
checkSoln("testSort", b3, "in_01.png");
d = 1;
v = buildVector(b, d);
random_shuffle(v.begin(), v.end());
/*
PNG q = b.genImg(v, d);
q.writeToFile("in_01_shuffled_1.png");
*/
List<int> q_srt(v.begin(), v.end());
q_srt.sort();
v2 = vector<int>(q_srt.begin(), q_srt.end());
b3 = b.genImg(v2, d);
b3.writeToFile("unshuffled_1.png");
checkSoln("testSort", b3, "in_01.png");
}
BlockPNG listToImage(List<RGBAPixel> const & list, int width, int height)
{
BlockPNG ret;
ret.resize(width, height);
vector<RGBAPixel> v(list.begin(), list.end());
int x = 0;
int y = 0;
for (unsigned int i = 0; i < v.size(); i++)
{
*ret(x,y) = v[i];
y++;
if (y == height)
{
y = 0;
x++;
}
}
return ret;
}
void testSort()
{
cout << "[main]: " << __func__ << "()" << endl;
srand(225);
// read in image to be shuffled
BlockPNG b;
b.readFromFile("in_01.png");
int d = 60;
vector<int> v = buildVector(b, d);
random_shuffle(v.begin(), v.end());
// generate shuffled image (done for you already)
// PNG b2 = b.genImg(v, d);
// b2.writeToFile("in_01_shuffled_60.png");
// make list and sort it
List<int> img_srt(v.begin(), v.end());
img_srt.sort();
// vectorize and rebuild image
vector<int> v2(img_srt.begin(), img_srt.end());
PNG b3 = b.genImg(v2, d);
b3.writeToFile("unshuffled_60.png");
checkSoln("testSort", b3, "in_01.png");
d = 1;
v = buildVector(b, d);
random_shuffle(v.begin(), v.end());
// PNG q = b.genImg(v, d);
// q.writeToFile("in_01_shuffled_1.png");
List<int> q_srt(v.begin(), v.end());
q_srt.sort();
v2 = vector<int>(q_srt.begin(), q_srt.end());
b3 = b.genImg(v2, d);
b3.writeToFile("unshuffled_1.png");
checkSoln("testSort", b3, "in_01.png");
/*
List<int> list3;
list3.insertBack(6);
list3.insertBack(1);
list3.insertBack(5);
list3.insertBack(8);
list3.insertBack(4);
list3.insertBack(3);
list3.insertBack(7);
list3.insertBack(2);
list3.insertBack(9);
list3.sort();
cout << "[sort custom]: " << list3 << endl;
*/
}
