/*
 * Copyright 2022 Rive
 */

#include "bench.hpp"

#include "rive/math/raw_path.hpp"
#include "rive/math/contour_measure.hpp"
#include "rive/math/simd.hpp"

using namespace rive;

static Vec2D randpt()
{
  return Vec2D(float(rand()), float(rand())) * 1000 / (float)RAND_MAX;
}

// Measure the speed MetricsPath::computeLength().
class MeasurePath : public Bench
{
public:
  MeasurePath()
  {
    // Make a random path.
    srand(0);
    for (int i = 0; i < 1000000; ++i)
    {
      int r = rand() % 22;
      if (r < 3)
      {
        m_path.line(randpt());
      }
      else
      {
        m_path.cubic(randpt(), randpt(), randpt());
      }
    }
  }

private:
  int run() const override
  {
    std::swap(m_matrix[4], m_matrix[5]);
    RawPath container;
    container.addPath(m_path, &m_matrix);

    return ContourMeasureIter(&container).next()->length();
  }

  mutable Mat2D m_matrix{1, 0, 0, 1, -1, 1};
  mutable RawPath m_path;
};

REGISTER_BENCH(MeasurePath);