/*
 * Copyright 2022 Rive
 */

#include "gm.hpp"
#include "gmutils.hpp"
#include "rive/renderer.hpp"
#include "common/rand.hpp"

using namespace rivegm;
using namespace rive;

constexpr int W = 1000;
constexpr int H = 400;
constexpr int N = 9999;

class VeryComplexGradGM : public GM
{
public:
  VeryComplexGradGM() : GM(W, H) {}

  ColorInt clearColor() const override { return 0xff000000; }

  void onDraw(rive::Renderer* renderer) override
  {
    Rand rand;
    std::vector<ColorInt> colors(N);
    std::vector<float> stops(N);
    for (size_t i = 0; i < N; ++i)
    {
      colors[i] = rand.u32() | 0xff808080;
      stops[i] = std::round(rand.f32() * W) / W;
    }
    std::sort(stops.begin(), stops.end());

    Paint paint;
    paint->shader(
        TestingWindow::Get()
            ->factory()
            ->makeLinearGradient(0, 0, W, 0, colors.data(), stops.data(), N));

    Path fullscreen = PathBuilder().addRect({0, 0, W, H}).detach();

    renderer->drawPath(fullscreen, paint);
  }
};

GMREGISTER(verycomplexgrad, return new VeryComplexGradGM())