Exemplos de PlatformCALayer::setPosition em C++ (Cpp)

Exemplo n.º 1

Arquivo: FullscreenVideoController.cpp Projeto: AndriyKalashnykov/webkit

void FullscreenVideoController::LayerClient::platformCALayerLayoutSublayersOfLayer(PlatformCALayer* layer) 
{
    ASSERT_ARG(layer, layer == m_parent->m_rootChild);

    HTMLVideoElement* videoElement = m_parent->m_videoElement.get();
    if (!videoElement)
        return;


    PlatformCALayer* videoLayer = PlatformCALayer::platformCALayer(videoElement->platformLayer());
    if (!videoLayer || videoLayer->superlayer() != layer)
        return;

    FloatRect layerBounds = layer->bounds();

    FloatSize videoSize = videoElement->player()->naturalSize();
    float scaleFactor;
    if (videoSize.aspectRatio() > layerBounds.size().aspectRatio())
        scaleFactor = layerBounds.width() / videoSize.width();
    else
        scaleFactor = layerBounds.height() / videoSize.height();
    videoSize.scale(scaleFactor);

    // Calculate the centered position based on the videoBounds and layerBounds:
    FloatPoint videoPosition;
    FloatPoint videoOrigin;
    videoOrigin.setX((layerBounds.width() - videoSize.width()) * 0.5);
    videoOrigin.setY((layerBounds.height() - videoSize.height()) * 0.5);
    videoLayer->setPosition(videoOrigin);
    videoLayer->setBounds(FloatRect(FloatPoint(), videoSize));
}