图片旋转翻转

	/**
	 * 水平翻转图像
	 * @param img
	 * @return
	 */
	public Image flipImage_H(Image img)
	{
		int width = img.getWidth(null);
		int height = img.getHeight(null);
		BufferedImage newImg = new BufferedImage(width, height, 1);
		Graphics g = newImg.getGraphics();
		g.drawImage(img, 0, 0, width, height, width, 0, 0, height, null);
		g.dispose();
		return newImg;
	}
	
	/**
	 * 竖直翻转图像
	 * @param img
	 * @return
	 */
	public Image flipImage_V(Image img)
	{
		int width = img.getWidth(null);
		int height = img.getHeight(null);
		BufferedImage newImg = new BufferedImage(width, height, 1);
		Graphics g = newImg.getGraphics();
		Graphics2D g2d = (Graphics2D) g;
//		g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.DST_IN, 0.1f));
		g2d.drawImage(img, 0, 0, width, height, 0, height, width, 0, null);
		g2d.dispose();
		return newImg;
	}
	
	
	/**
	 * 顺时针转90度
	 * @param img
	 * @return
	 */
	public Image getImage_rote90(Image img)
	{
		int width = img.getWidth(null);
		int height = img.getHeight(null);
		BufferedImage newImg = new BufferedImage(height, width, 1);
		Graphics g = newImg.getGraphics();
		Graphics2D g2d = (Graphics2D) g;
		g2d.rotate(Math.toRadians(90), height, 0);
		g2d.drawImage(img, height, 0, width, height,  null);
		g2d.dispose();
		return newImg;
	}
	
	
	/**
	 * 顺时针转180
	 * @param img
	 * @return
	 */
	public Image getImage_rote180(Image img)
	{
		int width = img.getWidth(null);
		int height = img.getHeight(null);
		BufferedImage newImg = new BufferedImage(width, height, 1);
		Graphics g = newImg.getGraphics();
		g.drawImage(img, 0, 0, width, height, width, height, 0, 0, null);
		g.dispose();
		return newImg;
	}
	
	/**
	 * 顺时针转270
	 * @param img
	 * @return
	 */
	public Image getImage_rote270(Image img)
	{
		int width = img.getWidth(null);
		int height = img.getHeight(null);
		BufferedImage newImg = new BufferedImage(height, width, 1);
		Graphics g = newImg.getGraphics();
		Graphics2D g2d = (Graphics2D) g;
		g2d.rotate(Math.toRadians(-90), 0, 0);
		g2d.drawImage(img, -width, 0, width, height,  null);
		g2d.dispose();
		return newImg;
	}
	
	
	
	
	/**
	 * 关于y=x翻转
	 * @param srcImg
	 * @return
	 */
	public Image getImage_FLIP_YISX(Image srcImg)
	{
		int width = srcImg.getWidth(null);
		int height = srcImg.getHeight(null);
		BufferedImage result = new BufferedImage(height, width, 1);
		Graphics g = result.getGraphics();
		Graphics2D g2d = (Graphics2D) g;
		AffineTransform affineTransform = new AffineTransform(0, -1, -1, 0, height, width);
		AffineTransformOp affineTransformOp = new AffineTransformOp(affineTransform, AffineTransformOp.TYPE_NEAREST_NEIGHBOR);
		affineTransformOp.filter(getClone(srcImg), result);
		g2d.dispose();
		return result;
	}
	
	
	/**
	 * 关于y=-x翻转
	 * @param srcImg
	 * @return
	 */
	public Image getImage_FLIP_YISFUX(Image srcImg)
	{
		int width = srcImg.getWidth(null);
		int height = srcImg.getHeight(null);
		BufferedImage result = new BufferedImage(height, width, 1);
		Graphics g = result.getGraphics();
		Graphics2D g2d = (Graphics2D) g;
		AffineTransform affineTransform = new AffineTransform(0, 1, 1, 0, 0, 0);
		AffineTransformOp affineTransformOp = new AffineTransformOp(affineTransform, AffineTransformOp.TYPE_NEAREST_NEIGHBOR);
		affineTransformOp.filter(getClone(srcImg), result);
		g2d.dispose();
		return result;
	}
	
	
	
	/**
	 * 得到克隆图像
	 * @param srcImg
	 * @return
	 */
	public BufferedImage getClone(Image srcImg)
	{
		int width = srcImg.getWidth(null);
		int height = srcImg.getHeight(null);
		BufferedImage result = new BufferedImage(width, height, 1);
		Graphics g = result.getGraphics();
		g.drawImage(srcImg, 0, 0, width, height, 0, 0, width, height,null);
		g.dispose();
		return result;
	}