Method window_impl

src/backend/opengl/window_impl.cpp:118–168

}

window_impl::window_impl(int pWidth, int pHeight, const char* pTitle,
                        std::weak_ptr<window_impl> pWindow, const bool invisible)
    : mID(getNextUniqueId())
{
    initWtkIfNotDone();

    if (auto observe = pWindow.lock()) {
        mWindow = new wtk::Widget(pWidth, pHeight, pTitle, observe->get(), invisible);
    } else {
        /* when windows are not sharing any context, just create
         * a dummy wtk::Widget object and pass it on */
        mWindow = new wtk::Widget(pWidth, pHeight, pTitle, nullptr, invisible);
    }
    /* Set context (before glewInit()) */
    MakeContextCurrent(this);

    glbinding::Binding::useCurrentContext();
    glbinding::Binding::initialize(false); // lazy function pointer evaluation

    mCxt = mWindow->getGLContextHandle();
    mDsp = mWindow->getDisplayHandle();
    /* copy colormap shared pointer if
     * this window shares context with another window
     * */
    if (auto observe = pWindow.lock()) {
        mCMap = observe->colorMapPtr();
    } else {
        mCMap = std::make_shared<colormap_impl>();
    }

    mWindow->resizePixelBuffers();

    /* set the colormap to default */
    mColorMapUBO = mCMap->cmapUniformBufferId(FG_COLOR_MAP_DEFAULT);
    mUBOSize = mCMap->cmapLength(FG_COLOR_MAP_DEFAULT);
    glEnable(GL_MULTISAMPLE);

    mWindow->resetViewMatrices();
    mWindow->resetOrientationMatrices();

    /* setup default window font */
    mFont = std::make_shared<font_impl>();
#if defined(OS_WIN)
    mFont->loadSystemFont("Calibri");
#else
    mFont->loadSystemFont("Vera");
#endif
    glEnable(GL_DEPTH_TEST);

    CheckGL("End Window::Window");
}

window_impl::~window_impl()
{