FEGaussianBlurElement 构造函数
实现
factory FEGaussianBlurElement() =>
_SvgElementFactoryProvider.createSvgElement_tag("feGaussianBlur")
as FEGaussianBlurElement;
factory FEGaussianBlurElement() =>
_SvgElementFactoryProvider.createSvgElement_tag("feGaussianBlur")
as FEGaussianBlurElement;