open()

bool MayaFlux::IO::ImageReader::open ( const std::string &  filepath, FileReadOptions  options = FileReadOptions::ALL  )

overridevirtual

Open a file for reading.

Parameters

filepath	Path to the file.
options	Reading options (see FileReadOptions).

Returns

true if file was successfully opened.

Implements MayaFlux::IO::FileReader.

Definition at line 271 of file ImageReader.cpp.

{
    if (m_is_open) {
        close();
    }
 
    if (!can_read(filepath)) {
        m_last_error = "Unsupported image format: " + filepath;
        MF_ERROR(Journal::Component::IO, Journal::Context::FileIO, m_last_error);
        return false;
    }
 
    auto resolved = resolve_path(filepath);
 
    m_image_data = load(resolved, m_desired_channels, m_region);
 
    if (!m_image_data) {
        m_last_error = "Failed to load image data";
        return false;
    }
 
    m_filepath = filepath;
    m_is_open = true;
 
    MF_INFO(Journal::Component::IO, Journal::Context::FileIO,
        "Opened image: {} ({}x{}, {} channels)",
        filepath, m_image_data->width, m_image_data->height, m_image_data->channels);
 
    return true;
}

References can_read(), close(), MayaFlux::Journal::FileIO, MayaFlux::Journal::IO, load(), m_desired_channels, m_filepath, m_image_data, m_is_open, m_last_error, m_region, MF_ERROR, MF_INFO, and MayaFlux::IO::FileReader::resolve_path().

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