java 中旋转一个图片详解编程语言

Bitmap bitmapOrg = BitmapFactory.decodeResource(this.getContext().getResources(), R.drawable.moon); 
Matrix matrix = new Matrix(); 
matrix.postRotate(-40); 
 
Bitmap resizedBitmap = Bitmap.createBitmap(bitmapOrg, 0, 0, 
                    bitmapOrg.getWidth(), bitmapOrg.getHeight(), matrix, true); 
BitmapDrawable bmd = new BitmapDrawable(resizedBitmap);