Function blurGaussian

src/fl/gfx/blur.h:130–132

/// @brief Convenience overload with no dimming.
template <int hRadius, int vRadius, typename RGB_T>
inline void blurGaussian(Canvas<RGB_T> &canvas) FL_NOEXCEPT {
    blurGaussian<hRadius, vRadius>(canvas, alpha8(255));
}

/// @brief XYMap-backed Gaussian blur (non-optimized, per-pixel path).
/// @tparam hRadius Horizontal blur radius (0–4).