Method applyColorConversion

src/Image.cpp:153–195

}

Task<void> ImageData::applyColorConversion(const Matrix3f& mat, int priority) {
    updateLayers();

    if (almostEquals(mat, Matrix3f{1.0f})) {
        co_return;
    }

    vector<Task<void>> tasks;

    for (const auto& layer : layers) {
        Channel* r = nullptr;
        Channel* g = nullptr;
        Channel* b = nullptr;

        if (!(((r = mutableChannel(layer + "R")) && (g = mutableChannel(layer + "G")) && (b = mutableChannel(layer + "B"))) ||
              ((r = mutableChannel(layer + "r")) && (g = mutableChannel(layer + "g")) && (b = mutableChannel(layer + "b"))))) {
            // No RGB-triplet found
            continue;
        }

        TEV_ASSERT(r && g && b, "RGB triplet of channels must exist.");

        auto rv = r->view<float>(), gv = g->view<float>(), bv = b->view<float>();
        tasks.emplace_back(
            ThreadPool::global().parallelFor(
                0uz,
                r->numPixels(),
                r->numPixels() * 3,
                [rv, gv, bv, mat](size_t i) mutable {
                    const auto rgb = mat * Vector3f{rv[i], gv[i], bv[i]};
                    rv[i] = rgb.x();
                    gv[i] = rgb.y();
                    bv[i] = rgb.z();
                },
                priority
            )
        );
    }

    co_await awaitAll(tasks);

    toRec709 = toRec709 * inverse(mat);
}

Task<void> ImageData::matchColorsAndSizeOf(const ImageData& other, int priority) {
    if (channels.empty()) {