pub fn get_results( left_image: RgbaImage, right_image: RgbaImage, threshold: f32, detect_anti_aliased_pixels: bool, blend_factor_of_unchanged_pixels: Option<f32>, output_image_base: &Option<OutputImageBase>, block_out_areas: &Option<HashSet<(u32, u32)>>) -> Option<(i32, RgbaImage)>