1 /* 2 * Copyright (C) 2006 Apple Computer, Inc. 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public License 15 * along with this library; see the file COPYING.LIB. If not, write to 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 */ 19 20 #include <wtf/Noncopyable.h> 21 22 #ifdef __OBJC__ 23 @class NSGraphicsContext; 24 #else 25 class NSGraphicsContext; 26 #endif 27 28 namespace WebCore { 29 30 class GraphicsContext; 31 32 // This class automatically saves and restores the current NSGraphicsContext for 33 // functions which call out into AppKit and rely on the currentContext being set 34 class LocalCurrentGraphicsContext { 35 WTF_MAKE_NONCOPYABLE(LocalCurrentGraphicsContext); 36 public: 37 LocalCurrentGraphicsContext(GraphicsContext* graphicsContext); 38 ~LocalCurrentGraphicsContext(); 39 40 private: 41 GraphicsContext* m_savedGraphicsContext; 42 NSGraphicsContext* m_savedNSGraphicsContext; 43 }; 44 45 } 46