public static void scale(File srcImageFile, File destImageFile, float scale) {
		BufferedImage image = null;
		try {
			image = read(srcImageFile);
			scale(image, destImageFile, scale);
		} finally {
			flush(image);
		}
	}
@Test
	@Disabled
	public void scalePngTest() {
		ImgUtil.scale(FileUtil.file("f:/test/test.png"), FileUtil.file("f:/test/test_result.png"), 0.5f);
	}