// zoom 放缩  public static Bitmap zoomBitmap(Bitmap bitmap, int w, int h) {      int width = bitmap.getWidth();      int height = bitmap.getHeight();      Matrix matrix = new Matrix();      float scaleWidth = w / (float) width;      float scaleHeight = h / (float) height;      matrix.postScale(scaleWidth, scaleHeight);      Bitmap bitmap2 = Bitmap.createBitmap(bitmap, 0, 0, width, height,              matrix, true);      return bitmap2;  } 

// Round Corner Bitmap 获得圆角图片  public static Bitmap getRoundCornerBitmap(Bitmap bitmap, float roundPX /*圆角的半径*/) {      int width = bitmap.getWidth();      int height = bitmap.getHeight();      Bitmap bitmap2 = Bitmap.createBitmap(width, height, Config.ARGB_8888);      Canvas canvas = new Canvas(bitmap2);      final int color = 0xff424242;      final Paint paint = new Paint();      final Rect rect = new Rect(0, 0, width, height);      final RectF rectF = new RectF(rect);      paint.setColor(color);      paint.setAntiAlias(true);      canvas.drawARGB(0, 0, 0, 0);      canvas.drawRoundRect(rectF, roundPX, roundPX, paint);      paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));      canvas.drawBitmap(bitmap, rect, rect, paint);      return bitmap2;  } 

// Reflect Bitmap 获得带倒影的图片  public static Bitmap createReflectedBitmap(Bitmap bitmap) {      //倒影和图片本身的间距      final int reflectedGap = 4;      int width = bitmap.getWidth();      int height = bitmap.getHeight();      Matrix matrix = new Matrix();      matrix.preScale(1, -1);      Bitmap reflectedImage = Bitmap.createBitmap(bitmap, 0, height / 2,              width, height / 2, matrix, false);      Bitmap reflectedBitmap = Bitmap.createBitmap(width,              (height + height / 2), Config.ARGB_8888);      Canvas canvas = new Canvas(reflectedBitmap);      canvas.drawBitmap(bitmap, 0, 0, null);      Paint defaultPaint = new Paint();      canvas.drawRect(0, height, width, height + reflectedGap, defaultPaint);      canvas.drawBitmap(reflectedImage, 0, height + reflectedGap, null);      Paint paint = new Paint();      LinearGradient shader = new LinearGradient(0, bitmap.getHeight(), 0,              reflectedBitmap.getHeight() + reflectedGap, 0x70ffffff,              0x00ffffff, TileMode.CLAMP);      paint.setShader(shader);      paint.setXfermode(new PorterDuffXfermode(Mode.DST_IN));      canvas.drawRect(0, height, width, reflectedBitmap.getHeight()              + reflectedGap, paint);      return reflectedBitmap;  }