Function isUsableRect

pj_plotting/widget/src/PlotWidgetBase.cpp:43–46

namespace {

[[nodiscard]] bool isUsableRect(const QRectF& rect) noexcept {
  return rect.width() >= 0.0 && rect.height() >= 0.0 && std::isfinite(rect.left()) && std::isfinite(rect.right()) &&
         std::isfinite(rect.top()) && std::isfinite(rect.bottom());
}

[[nodiscard]] QColor colorFromIndex(int index) {
  static const std::array<QColor, 8> k_colors = {