修改位图之后，如何修改“修改”位图等等？

Question

假设我捕获了一个名为_originalBitmap的图像

1. 然后，我修改了将某种类型的Brightness Increase过滤器应用于_originalBitmap filteredBitmap = _BrightnessIncrease.filterImage(_originalBitmap);
2. 然后单击Apply按钮，将filteredBitmap保存到内存位置。
3. 我想再次申请Brightness Increase ，但在filteredBitmap上。有人知道我是怎么做到的吗？

到目前为止的代码- BrightnessIncrease Button:

Button filter6Button = (Button) findViewById(R.id.filter6_button);
    filter6Button.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {


            for (int i = MainActivity.LEFT_IMAGE; i <= MainActivity.RIGHT_IMAGE; i++) {

                _filteredBitmaps[i] = _BrightnessIncrease
                        .filterImage(_originalBitmaps[i]);
                // */
            }
            _filterImageView
                    .setImageBitmap(_filteredBitmaps[MainActivity.LEFT_IMAGE]);
        }
    });

Answer 1

为什么不将过滤后的位图保存在另一个列表中呢？

for (int i = MainActivity.LEFT_IMAGE; i <= MainActivity.RIGHT_IMAGE; i++) {
    _filterImageView[i] = _originalBitmaps[i].copy(_originalBitmaps[i].getConfig(), true);
} 
    Button filter6Button = (Button) findViewById(R.id.filter6_button);
    filter6Button.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {


            for (int i = MainActivity.LEFT_IMAGE; i <= MainActivity.RIGHT_IMAGE; i++) {

                _filterImageView[i] = _BrightnessIncrease
                        .filterImage(_filterImageView[i]);
                // */
            }
            _filterImageView
                    .setImageBitmap(_filterImageView[MainActivity.LEFT_IMAGE]);
        }
    });