java实现图片水平和垂直翻转效果

 package mypackage; import javax.imageio.ImageIO; import java.awt.*; import java.awt.image.BufferedImage; import java.io.File; /** * Author Mythos_Q * * Time 2011-07-20 * * Description 图片旋转、翻转处理 */ public class ImgRotate { static int Up_Down_Reverse = 0; static int Left_Right_Reverse = 1; /** * 旋转图片为指定角度 * * @param bufferedimage *   目标图像 * @param degree *   旋转角度 * @return */ public static BufferedImage rotateImage(final BufferedImage bufferedimage,final int degree){ int w = bufferedimage.getWidth(); int h = bufferedimage.getHeight(); int type = bufferedimage.getColorModel().getTransparency(); BufferedImage img; Graphics2D graphics2d; (graphics2d = (img = new BufferedImage(h, w, type)).createGraphics()).setRenderingHint(RenderingHints.KEY_INTERPOLATION,RenderingHints.VALUE_INTERPOLATION_BILINEAR); graphics2d.rotate(Math.toRadians(degree), w / 2, h / 2 + (w>h?(w-h)/2:(h-w)/2)); graphics2d.drawImage(bufferedimage, 0, 0, null); graphics2d.dispose(); return img; } /** * 旋转图片为指定角度 * * @param file *   目标图像 * @param degree *   旋转角度(90,180,270) * @return */ public static File rotateImage(File file,int degree) throws Exception{ if(degree==90) return rotateImage90(file); if(degree==180) return rotateImage180(file); if(degree==270) return rotateImage270(file); return null; } public static Image rotateImage(Image Image,int degree) { if(degree==90) return rotateImage90(Image); if(degree==180) return rotateImage180(Image); if(degree==270) return rotateImage270(Image); return null; } private static Image rotateImage90(Image image) { BufferedImage bufferedimage = ImageToBufferedImage(image); int w = bufferedimage.getWidth(); int h = bufferedimage.getHeight(); int type = bufferedimage.getColorModel().getTransparency(); BufferedImage img; Graphics2D graphics2d; (graphics2d = (img = new BufferedImage(h, w, type) ).createGraphics() ).setRenderingHint(RenderingHints.KEY_INTERPOLATION,RenderingHints.VALUE_INTERPOLATION_BILINEAR); graphics2d.rotate(Math.toRadians(270), w / 2, h / 2 + (w-h)/2); graphics2d.drawImage(bufferedimage, 0, 0, null); graphics2d.dispose(); return BufferedImageToImage(img); } //左转90度 public static File rotateImage90(File file) throws Exception { BufferedImage bufferedimage = ImageIO.read(file); int w = bufferedimage.getWidth(); int h = bufferedimage.getHeight(); int type = bufferedimage.getColorModel().getTransparency(); BufferedImage img; Graphics2D graphics2d; (graphics2d = (img = new BufferedImage(h, w, type) ).createGraphics() ).setRenderingHint(RenderingHints.KEY_INTERPOLATION,RenderingHints.VALUE_INTERPOLATION_BILINEAR); graphics2d.rotate(Math.toRadians(270), w / 2, h / 2 + (w-h)/2); graphics2d.drawImage(bufferedimage, 0, 0, null); graphics2d.dispose(); ImageIO.write(img,"jpg",file); return file; } //右转90度 public static File rotateImage270(File file) throws Exception { BufferedImage bufferedimage = ImageIO.read(file); int w = bufferedimage.getWidth(); int h = bufferedimage.getHeight(); int type = bufferedimage.getColorModel().getTransparency(); BufferedImage img; Graphics2D graphics2d; (graphics2d = (img = new BufferedImage(h, w, type)).createGraphics()).setRenderingHint(RenderingHints.KEY_INTERPOLATION,RenderingHints.VALUE_INTERPOLATION_BILINEAR); graphics2d.rotate(Math.toRadians(90), w / 2 - (w-h)/2, h / 2 ); graphics2d.drawImage(bufferedimage, 0, 0, null); graphics2d.dispose(); ImageIO.write(img,"jpg",file); return file; } public static Image rotateImage270(Image image) { BufferedImage bufferedimage = ImageToBufferedImage(image); int w = bufferedimage.getWidth(); int h = bufferedimage.getHeight(); int type = bufferedimage.getColorModel().getTransparency(); BufferedImage img; Graphics2D graphics2d; (graphics2d = (img = new BufferedImage(h, w, type)).createGraphics()).setRenderingHint(RenderingHints.KEY_INTERPOLATION,RenderingHints.VALUE_INTERPOLATION_BILINEAR); graphics2d.rotate(Math.toRadians(90), w / 2 - (w-h)/2, h / 2 ); graphics2d.drawImage(bufferedimage, 0, 0, null); graphics2d.dispose(); return BufferedImageToImage(img); } //对转 public static File rotateImage180(File file) throws Exception { BufferedImage bufferedimage = ImageIO.read(file); int w = bufferedimage.getWidth(); int h = bufferedimage.getHeight(); int type = bufferedimage.getColorModel().getTransparency(); BufferedImage img; Graphics2D graphics2d; (graphics2d = (img = new BufferedImage(w, h, type)).createGraphics()).setRenderingHint(RenderingHints.KEY_INTERPOLATION,RenderingHints.VALUE_INTERPOLATION_BILINEAR); graphics2d.rotate(Math.toRadians(180), w / 2, h / 2 ); graphics2d.drawImage(bufferedimage, 0, 0, null); graphics2d.dispose(); ImageIO.write(img,"jpg",file); return file; } public static Image rotateImage180(Image image) { BufferedImage bufferedimage = ImageToBufferedImage(image); int w = bufferedimage.getWidth(); int h = bufferedimage.getHeight(); int type = bufferedimage.getColorModel().getTransparency(); BufferedImage img; Graphics2D graphics2d; (graphics2d = (img = new BufferedImage(w, h, type)).createGraphics()).setRenderingHint(RenderingHints.KEY_INTERPOLATION,RenderingHints.VALUE_INTERPOLATION_BILINEAR); graphics2d.rotate(Math.toRadians(180), w / 2, h / 2 ); graphics2d.drawImage(bufferedimage, 0, 0, null); graphics2d.dispose(); return BufferedImageToImage(img); } /*** * 图片镜像处理 * @param file * @param FX 0 为上下反转 1 为左右反转 * @return */ public static void imageMisro(File file,int FX) { try { BufferedImage bufferedimage = ImageIO.read(file); int w = bufferedimage.getWidth(); int h = bufferedimage.getHeight(); int[][] datas = new int[w][h]; for (int i = 0; i 

 package mypackage; import java.awt.*; import java.awt.image.*; import java.net.URL; import javax.swing.*; public class Test extends JPanel { JFrame frame; Image image = new ImageIcon("hand2.jpg-600").getImage(); public void paint( Graphics g ) { g.drawImage(image, 0, 0,null); //之前的图片 Image m = ImgRotate.imageMisro(image, ImgRotate.Left_Right_Reverse); g.drawImage(m, 200, 200, null); //水平翻转的图片 Image mm = ImgRotate.rotateImage(m, 90); //这里只能填90,180,270 g.drawImage(mm, 250, 0, null); } public Test() { frame = new JFrame(); frame.add(this); frame.setSize(500,500); frame.setLocationRelativeTo(null); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setVisible(true); } public static void main(String[] args) { new Test(); } }