readStreamData()

bool fl::third_party::TJpgInstanceDecoder::readStreamData ( )

private

Definition at line 48 of file driver.cpp.hpp.

                                                     {
    if (!input_stream_) {
        setError("No input stream");
        return false;
    }
 
    // Read all data from stream
    fl::vector<fl::u8> temp_buffer;
    temp_buffer.reserve(4096);
 
    fl::u8 chunk[256];
    while (true) {
        fl::size bytes_read = input_stream_->read(chunk, sizeof(chunk));
        if (bytes_read == 0) break;
 
        fl::size old_size = temp_buffer.size();
        temp_buffer.resize(old_size + bytes_read);
        fl::memcpy(temp_buffer.data() + old_size, chunk, bytes_read);
    }
 
    input_size_ = temp_buffer.size();
    if (input_size_ == 0) {
        setError("Empty input stream");
        return false;
    }
 
    input_buffer_.reset(new fl::u8[input_size_]);
    fl::memcpy(input_buffer_.get(), temp_buffer.data(), input_size_);
 
    // Set up embedded state for input
    embedded_tjpg_.array_data = input_buffer_.get();
    embedded_tjpg_.array_index = 0;
    embedded_tjpg_.array_size = input_size_;
 
    return true;
}

References fl::vector< T >::data(), embedded_tjpg_, FL_NOEXCEPT, input_buffer_, input_size_, input_stream_, fl::memcpy(), fl::vector< T >::reserve(), fl::vector< T >::resize(), setError(), and fl::vector_basic::size().

Referenced by beginDecodingStream().

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