| /* |
| * Copyright (C) 2006 Apple Computer, Inc. |
| * |
| * 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 "platform/graphics/GraphicsContext.h" |
| #include "wtf/Noncopyable.h" |
| |
| #include "skia/ext/skia_utils_mac.h" |
| |
| OBJC_CLASS NSGraphicsContext; |
| |
| namespace WebCore { |
| |
| // This class automatically saves and restores the current NSGraphicsContext for |
| // functions which call out into AppKit and rely on the currentContext being set |
| class PLATFORM_EXPORT LocalCurrentGraphicsContext { |
| WTF_MAKE_NONCOPYABLE(LocalCurrentGraphicsContext); |
| public: |
| LocalCurrentGraphicsContext(GraphicsContext* graphicsContext); |
| ~LocalCurrentGraphicsContext(); |
| CGContextRef cgContext(); |
| private: |
| GraphicsContext* m_savedGraphicsContext; |
| NSGraphicsContext* m_savedNSGraphicsContext; |
| bool m_didSetGraphicsContext; |
| gfx::SkiaBitLocker m_skiaBitLocker; |
| }; |
| |
| class PLATFORM_EXPORT ContextContainer { |
| WTF_MAKE_NONCOPYABLE(ContextContainer); |
| public: |
| ContextContainer(GraphicsContext*); |
| |
| // This synchronizes the CGContext to reflect the current SkCanvas state. |
| // The implementation may not return the same CGContext each time. |
| CGContextRef context() { return m_skiaBitLocker.cgContext(); } |
| |
| private: |
| gfx::SkiaBitLocker m_skiaBitLocker; |
| }; |
| |
| } |