/**
 * 轉(zhuǎn)換數(shù)據(jù)并進行模糊處理
 */
public Bitmap blur(byte[] data, Camera camera,float blurvaule){
  Camera.Size previewSize = camera.getParameters().getPreviewSize();
  if (yuvType == null)
  {
    yuvType = new Type.Builder(rs, Element.U8(rs)).setX(data.length);
    in = Allocation.createTyped(rs, yuvType.create(), Allocation.USAGE_SCRIPT);

    rgbaType = new Type.Builder(rs, Element.RGBA_8888(rs)).setX(previewSize.width).setY(previewSize.height);
    out = Allocation.createTyped(rs, rgbaType.create(), Allocation.USAGE_SCRIPT);
  }

  in.copyFrom(data);

  yuvToRgbIntrinsic.setInput(in);
  yuvToRgbIntrinsic.forEach(out);

  Bitmap bmpout = Bitmap.createBitmap(previewSize.width, previewSize.height, Bitmap.Config.ARGB_8888);
  out.copyTo(bmpout);
  //return adjustPhotoRotation(blurBitmap(bmpout,blurvaule),90);
  return blurBitmap(bmpout,blurvaule);
}


/**
 * 模糊處理Bitmap
 * @param bitmap
 * @return
 */
private Bitmap blurBitmap(Bitmap bitmap,float vaule) {
  // 用需要創(chuàng)建高斯模糊bitmap創(chuàng)建一個空的bitmap
  Bitmap outBitmap = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);
  // 初始化Renderscript，這個類提供了RenderScript context，
  // 在創(chuàng)建其他RS類之前必須要先創(chuàng)建這個類，他控制RenderScript的初始化，資源管理，釋放
  // 創(chuàng)建高斯模糊對象

  // 創(chuàng)建Allocations，此類是將數(shù)據(jù)傳遞給RenderScript內(nèi)核的主要方法，
  // 并制定一個后備類型存儲給定類型
  Allocation allIn = Allocation.createFromBitmap(rs, bitmap);
  Allocation allOut = Allocation.createFromBitmap(rs, outBitmap);
  // 設定模糊度
  blurScript.setRadius(vaule);
  // Perform the Renderscript
  blurScript.setInput(allIn);
  blurScript.forEach(allOut);
  // Copy the final bitmap created by the out Allocation to the outBitmap
  allOut.copyTo(outBitmap);
  // recycle the original bitmap
  bitmap.recycle();
  // After finishing everything, we destroy the Renderscript.
  rs.destroy();
  return outBitmap;
}

defaultConfig {
  .......

  renderscriptTargetApi 21
  renderscriptSupportModeEnabled true
}