1 /* 2 * Copyright (c) 2013, Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above 10 * copyright notice, this list of conditions and the following disclaimer 11 * in the documentation and/or other materials provided with the 12 * distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 15 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 16 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 17 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 18 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 19 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 20 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #ifndef Canvas2DContextAttributes_h 28 #define Canvas2DContextAttributes_h 29 30 #include "bindings/core/v8/ScriptWrappable.h" 31 #include "core/html/canvas/CanvasContextAttributes.h" 32 #include "wtf/PassRefPtr.h" 33 34 namespace blink { 35 36 enum Canvas2DContextStorage { 37 PersistentStorage, 38 DiscardableStorage 39 }; 40 41 class Canvas2DContextAttributes : public CanvasContextAttributes, public ScriptWrappable { 42 DECLARE_EMPTY_VIRTUAL_DESTRUCTOR_WILL_BE_REMOVED(Canvas2DContextAttributes); 43 DEFINE_WRAPPERTYPEINFO(); 44 public: 45 // Create a new attributes object 46 static PassRefPtrWillBeRawPtr<Canvas2DContextAttributes> create(); 47 48 // Whether or not the drawing buffer has an alpha channel; default=true 49 bool alpha() const; 50 void setAlpha(bool); 51 52 String storage() const; 53 void setStorage(const String&); 54 Canvas2DContextStorage parsedStorage() const; 55 56 protected: 57 Canvas2DContextAttributes(); 58 59 bool m_alpha; 60 Canvas2DContextStorage m_storage; 61 }; 62 63 } // namespace blink 64 65 #endif // Canvas2DContextAttributes_h 66
