压缩图片工具类

/**
 * 压缩图片
 * 
 * @author Administrator
 * 
 */
public class Bimp {
	public static int max = 0;
	public static boolean act_bool = true;
	public static List<Bitmap> bmp = new ArrayList<Bitmap>();

	// 图片sd地址 上传服务器时把图片调用下面方法压缩后 保存到临时文件夹 图片压缩后小于100KB，失真度不明显
	public static List<String> drr = new ArrayList<String>();

	// TelephonyManager tm = (TelephonyManager) this
	// .getSystemService(Context.TELEPHONY_SERVICE);

	public static Bitmap revitionImageSize(String path) throws IOException {
		BufferedInputStream in = new BufferedInputStream(new FileInputStream(
				new File(path)));

		BitmapFactory.Options options = new BitmapFactory.Options();
		options.inJustDecodeBounds = true;
		// Bitmap btBitmap=BitmapFactory.decodeFile(path);
		// System.out.println("原尺寸高度："+btBitmap.getHeight());
		// System.out.println("原尺寸宽度："+btBitmap.getWidth());
		BitmapFactory.decodeStream(in, null, options);
		in.close();
		int i = 0;
		Bitmap bitmap = null;
		while (true) {
			if ((options.outWidth >> i <= 800)
					&& (options.outHeight >> i <= 800)) {
				in = new BufferedInputStream(
						new FileInputStream(new File(path)));
				options.inSampleSize = (int) Math.pow(2.0D, i);
				options.inJustDecodeBounds = false;
				bitmap = BitmapFactory.decodeStream(in, null, options);
				break;
			}
			i += 1;
		}
		// 当机型为三星时图片翻转
//		bitmap = Photo.photoAdapter(path, bitmap);
//		System.out.println("-----压缩后尺寸高度：" + bitmap.getHeight());
//		System.out.println("-----压缩后尺寸宽度度：" + bitmap.getWidth());
		return bitmap;
	}

	public static Bitmap getLoacalBitmap(String url) {
		try {
			FileInputStream fis = new FileInputStream(url);
			return BitmapFactory.decodeStream(fis); // /把流转化为Bitmap图片
		} catch (FileNotFoundException e) {
			e.printStackTrace();
			return null;
		}
	}


	/**
	 * 
	 * @param x
	 *            图像的宽度
	 * @param y
	 *            图像的高度
	 * @param image
	 *            源图片
	 * @param outerRadiusRat
	 *            圆角的大小
	 * @return 圆角图片
	 */
	public static Bitmap createFramedPhoto(int x, int y, Bitmap image, float outerRadiusRat) {
		// 根据源文件新建一个darwable对象
		Drawable imageDrawable = new BitmapDrawable(image);

		// 新建一个新的输出图片
		Bitmap output = Bitmap.createBitmap(x, y, Bitmap.Config.ARGB_8888);
		Canvas canvas = new Canvas(output);

		// 新建一个矩形
		RectF outerRect = new RectF(0, 0, x, y);

		// 产生一个红色的圆角矩形
		Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
		paint.setColor(Color.RED);
		canvas.drawRoundRect(outerRect, outerRadiusRat, outerRadiusRat, paint);

		// 将源图片绘制到这个圆角矩形上
		paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
		imageDrawable.setBounds(0, 0, x, y);
		canvas.saveLayer(outerRect, paint, Canvas.ALL_SAVE_FLAG);
		imageDrawable.draw(canvas);
		canvas.restore();

		return output;
	}
}