/* Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies) This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include "config.h" #include "TextureMapperBackingStore.h" #include "FloatRect.h" namespace WebCore { unsigned TextureMapperBackingStore::calculateExposedTileEdges(const FloatRect& totalRect, const FloatRect& tileRect) { unsigned exposedEdges = TextureMapper::NoEdges; if (!tileRect.x()) exposedEdges |= TextureMapper::LeftEdge; if (!tileRect.y()) exposedEdges |= TextureMapper::TopEdge; if (tileRect.width() + tileRect.x() >= totalRect.width()) exposedEdges |= TextureMapper::RightEdge; if (tileRect.height() + tileRect.y() >= totalRect.height()) exposedEdges |= TextureMapper::BottomEdge; return exposedEdges; } } // namespace WebCore