snapshot_pixels()

std::optional< WindowContainer::PixelSnapshot > MayaFlux::Kakshya::WindowContainer::snapshot_pixels ( std::optional< uint32_t >  frame_index = std::nullopt ) const

private

Definition at line 318 of file WindowContainer.cpp.

{
    auto snapshot = seqlock_read(m_data_lock, 8, [&]() -> PixelSnapshot {
        const auto& data = frame_index ? m_data : m_processed_data;
        const auto index = frame_index.value_or(0);
 
        if (index >= data.size())
            return {};
 
        const auto* source = std::get_if<std::vector<uint8_t>>(&data[index]);
 
        if (!source)
            return {};
 
        return {
            .pixels = *source,
            .dimensions = m_structure.dimensions,
            .width = static_cast<uint32_t>(m_structure.get_width()),
            .height = static_cast<uint32_t>(m_structure.get_height())
        };
    });
 
    if (!snapshot || snapshot->pixels.empty()) {
        MF_RT_WARN(Journal::Component::Kakshya, Journal::Context::ContainerProcessing,
            "WindowContainer : no usable pixel data for '{}'",
            m_window->get_create_info().title);
        return std::nullopt;
    }
    return snapshot;
}

References MayaFlux::Journal::ContainerProcessing, MayaFlux::Kakshya::ContainerDataStructure::dimensions, MayaFlux::Kakshya::ContainerDataStructure::get_height(), MayaFlux::Kakshya::ContainerDataStructure::get_width(), height, index, MayaFlux::Journal::Kakshya, m_data, m_data_lock, m_processed_data, m_structure, m_window, and MF_RT_WARN.

Referenced by image_at(), image_at(), region_to_image(), to_image(), and to_image().

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