1 /* 2 * Copyright (C) 2008 Apple 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 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #include "config.h" 27 #include "JSImageData.h" 28 29 #include "ImageData.h" 30 #include "PlatformString.h" 31 32 #include <runtime/JSByteArray.h> 33 #include <wtf/StdLibExtras.h> 34 35 using namespace JSC; 36 37 namespace WebCore { 38 39 JSValue toJS(ExecState* exec, JSDOMGlobalObject* globalObject, ImageData* imageData) 40 { 41 if (!imageData) 42 return jsNull(); 43 44 DOMObject* wrapper = getCachedDOMObjectWrapper(exec, imageData); 45 if (wrapper) 46 return wrapper; 47 48 wrapper = CREATE_DOM_OBJECT_WRAPPER(exec, globalObject, ImageData, imageData); 49 Identifier dataName(exec, "data"); 50 DEFINE_STATIC_LOCAL(RefPtr<Structure>, cpaStructure, (JSByteArray::createStructure(jsNull()))); 51 static const ClassInfo cpaClassInfo = { "CanvasPixelArray", 0, 0, 0 }; 52 wrapper->putDirect(dataName, new (exec) JSByteArray(exec, cpaStructure, imageData->data()->data(), &cpaClassInfo), DontDelete | ReadOnly); 53 exec->heap()->reportExtraMemoryCost(imageData->data()->length()); 54 55 return wrapper; 56 } 57 58 } 59
