/* 
  * 裁剪图片 
  */ 
 private void cropPhoto() { 
 
  Intent intent = new Intent("com.android.camera.action.CROP"); 
  Uri uri = Uri.parse("file://" + picSavePath); 
  intent.setDataAndType(uri, "image/*"); 
  intent.putExtra("crop", "true"); 
  // intent.putExtra("aspectX", 3); 
  // intent.putExtra("aspectY", 2); 
  intent.putExtra("outputX", cropX); 
  intent.putExtra("outputY", cropY); 
  intent.putExtra("scale", "true"); 
  intent.putExtra(MediaStore.EXTRA_OUTPUT, uri); 
  intent.putExtra("return-data", "false"); 
  intent.putExtra("outputFormat", Bitmap.CompressFormat.JPEG.toString()); 
  intent.putExtra("noFaceDetection", "true"); // no face detection 
  startActivityForResult(intent, CROP_PICTURE); 
 } 

/* 
  * 裁剪图片, 
  */ 
 private void cropPhotoAndZoom() { 
 
  Intent intent = new Intent("com.android.camera.action.CROP"); 
  Uri uri = Uri.parse("file://" + picSavePath); 
  intent.setDataAndType(uri, "image/*"); 
  intent.putExtra("crop", "true"); 
  intent.putExtra("scale", "true"); 
  intent.putExtra(MediaStore.EXTRA_OUTPUT, uri); 
  intent.putExtra("return-data", "false"); 
  intent.putExtra("outputFormat", Bitmap.CompressFormat.JPEG.toString()); 
  intent.putExtra("noFaceDetection", "true"); // no face detection 
  startActivityForResult(intent, CROP_PICTURE_ANDZOOM); 
 } 

/** 
  * 裁剪后，根据裁剪框的长宽比，同时根据图片的需求缩放尺寸进行缩放 
  * 
  * @param path 
  * @param x 
  *   原始的需求尺寸width 
  * @param y 
  *   heiht 
  * @return 
  */ 
 public static Bitmap toBigZoom(String path, float x, float y) { 
  Log.e("bitmaputil", "path---" + path + "--x--y--" + x + "--" + y); 
  Bitmap bitmap = BitmapFactory.decodeFile(path); 
  if (bitmap != null) { 
 
   int w = bitmap.getWidth(); 
   int h = bitmap.getHeight(); 
   float sx = 0; 
   float sy = 0; 
   if ((float) w / h >= 1) { 
    sx = (float) y / w; 
    sy = (float) x / h; 
    Log.e("bitmaputil---", "w/h--->=1"); 
   } else { 
    sx = (float) x / w; 
    sy = (float) y / h; 
    Log.e("bitmaputil---", "w/h---<1"); 
   } 
   Matrix matrix = new Matrix(); 
   matrix.postScale(sx, sy); // 长和宽放大缩小的比例 
   Bitmap resizeBmp = Bitmap.createBitmap(bitmap, 0, 0, w, h, matrix, true); 
   Log.e("bitmaputil---", "w---" + resizeBmp.getWidth() + "h--" + resizeBmp.getHeight()); 
   return resizeBmp; 
  } 
 
  return null; 
 }