size_t flushWrite() {
block_size_ = kBlockSize;
reverseFilter(block_data_, block_pos_);
stream_->write(block_data_, block_pos_);
block_pos_ = 0;
return block_size_;
}
size_t refillWriteAndProcess() {
size_t in_pos = 0;
size_t out_limit = out_buffer_.capacity();
size_t in_limit = in_buffer_.pos() - in_pos;
reverseFilter(&out_buffer_[0], &out_limit, &in_buffer_[in_pos], &in_limit);
in_pos += in_limit;
stream_->write(&out_buffer_[0], out_limit);
in_buffer_.erase(in_pos);
in_buffer_.addSize(in_buffer_.reamainCapacity());
return in_buffer_.remain();
}
bool DImgBuiltinFilter::isReversible() const
{
return reverseFilter().isValid();
}