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 "platform/PlatformExport.h" 21 #include "platform/geometry/IntRect.h" 22 #include "skia/ext/skia_utils_mac.h" 23 #include "wtf/Noncopyable.h" 24 25 OBJC_CLASS NSGraphicsContext; 26 27 namespace blink { 28 29 class GraphicsContext; 30 31 // This class automatically saves and restores the current NSGraphicsContext for 32 // functions which call out into AppKit and rely on the currentContext being set 33 class PLATFORM_EXPORT LocalCurrentGraphicsContext { 34 WTF_MAKE_NONCOPYABLE(LocalCurrentGraphicsContext); 35 public: 36 LocalCurrentGraphicsContext(GraphicsContext*, IntRect clipRect); 37 ~LocalCurrentGraphicsContext(); 38 CGContextRef cgContext(); 39 private: 40 41 GraphicsContext* m_savedGraphicsContext; 42 NSGraphicsContext* m_savedNSGraphicsContext; 43 bool m_didSetGraphicsContext; 44 gfx::SkiaBitLocker m_skiaBitLocker; 45 }; 46 47 } 48
