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#include <cvd/draw.h>
#include <utility>
#include <TooN/helpers.h>
using namespace TooN;
using namespace std;
namespace CVD {
static double len2(const Vector<2>& v)
{
return v*v;
}
vector<ImageRef> getSolidEllipse(float r1, float r2, float theta)
{
vector<ImageRef> e;
int r = (int) ceil(max(r1, r2) + 1);
Matrix<2> t;
t[0] = makeVector(cos(theta), sin(theta)) / r1;
t[1] = makeVector(-sin(theta), cos(theta)) / r2;
for(int y=-r; y <= r; y++)
for(int x=-r; x <= r; x++)
if(len2(t * makeVector(x, y)) <= 1)
e.push_back(ImageRef(x, y));
return e;
}
};