Esempi in C++ (Cpp) per IntSize::constrainedBetween

Esempio n. 1

File: TileController.cpp Progetto: emutavchi/WebKitForWayland

IntSize TileController::tileSize() const
{
    if (m_inLiveResize || m_tileSizeLocked)
        return tileGrid().tileSize();

    const int kLowestCommonDenominatorMaxTileSize = 4 * 1024;
    IntSize maxTileSize(kLowestCommonDenominatorMaxTileSize, kLowestCommonDenominatorMaxTileSize);

#if USE(IOSURFACE)
    IntSize surfaceSizeLimit = IOSurface::maximumSize();
    surfaceSizeLimit.scale(1 / m_deviceScaleFactor);
    maxTileSize = maxTileSize.shrunkTo(surfaceSizeLimit);
#endif
    
    if (owningGraphicsLayer()->platformCALayerUseGiantTiles())
        return maxTileSize;

    IntSize tileSize(kDefaultTileSize, kDefaultTileSize);

    if (m_scrollability == NotScrollable) {
        IntSize scaledSize = expandedIntSize(boundsWithoutMargin().size() * tileGrid().scale());
        tileSize = scaledSize.constrainedBetween(IntSize(kDefaultTileSize, kDefaultTileSize), maxTileSize);
    } else if (m_scrollability == VerticallyScrollable)
        tileSize.setWidth(std::min(std::max<int>(ceilf(boundsWithoutMargin().width() * tileGrid().scale()), kDefaultTileSize), maxTileSize.width()));

    LOG_WITH_STREAM(Scrolling, stream << "TileController::tileSize newSize=" << tileSize);

    m_tileSizeLocked = true;
    return tileSize;
}