1 /* 2 * Copyright (C) 2009 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 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include "config.h" 32 #include "V8CanvasRenderingContext2D.h" 33 34 #include "CanvasGradient.h" 35 #include "CanvasRenderingContext2D.h" 36 #include "CanvasPattern.h" 37 #include "CanvasStyle.h" 38 #include "ExceptionCode.h" 39 #include "FloatRect.h" 40 41 #include "V8Binding.h" 42 #include "V8CanvasGradient.h" 43 #include "V8CanvasPattern.h" 44 #include "V8HTMLCanvasElement.h" 45 #include "V8HTMLImageElement.h" 46 #include "V8HTMLVideoElement.h" 47 #include "V8ImageData.h" 48 #include "V8Proxy.h" 49 50 namespace WebCore { 51 52 static v8::Handle<v8::Value> toV8Object(CanvasStyle* style) 53 { 54 if (style->canvasGradient()) 55 return toV8(style->canvasGradient()); 56 57 if (style->canvasPattern()) 58 return toV8(style->canvasPattern()); 59 60 return v8String(style->color()); 61 } 62 63 static PassRefPtr<CanvasStyle> toCanvasStyle(v8::Handle<v8::Value> value) 64 { 65 if (value->IsString()) 66 return CanvasStyle::createFromString(toWebCoreString(value)); 67 68 if (V8CanvasGradient::HasInstance(value)) 69 return CanvasStyle::createFromGradient(V8CanvasGradient::toNative(v8::Handle<v8::Object>::Cast(value))); 70 71 if (V8CanvasPattern::HasInstance(value)) 72 return CanvasStyle::createFromPattern(V8CanvasPattern::toNative(v8::Handle<v8::Object>::Cast(value))); 73 74 return 0; 75 } 76 77 v8::Handle<v8::Value> V8CanvasRenderingContext2D::strokeStyleAccessorGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info) 78 { 79 CanvasRenderingContext2D* impl = V8CanvasRenderingContext2D::toNative(info.Holder()); 80 return toV8Object(impl->strokeStyle()); 81 } 82 83 void V8CanvasRenderingContext2D::strokeStyleAccessorSetter(v8::Local<v8::String> name, v8::Local<v8::Value> value, const v8::AccessorInfo& info) 84 { 85 CanvasRenderingContext2D* impl = V8CanvasRenderingContext2D::toNative(info.Holder()); 86 impl->setStrokeStyle(toCanvasStyle(value)); 87 } 88 89 v8::Handle<v8::Value> V8CanvasRenderingContext2D::fillStyleAccessorGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info) 90 { 91 CanvasRenderingContext2D* impl = V8CanvasRenderingContext2D::toNative(info.Holder()); 92 return toV8Object(impl->fillStyle()); 93 } 94 95 void V8CanvasRenderingContext2D::fillStyleAccessorSetter(v8::Local<v8::String> name, v8::Local<v8::Value> value, const v8::AccessorInfo& info) 96 { 97 CanvasRenderingContext2D* impl = V8CanvasRenderingContext2D::toNative(info.Holder()); 98 impl->setFillStyle(toCanvasStyle(value)); 99 } 100 101 } // namespace WebCore 102