| /* |
| * Copyright (C) 2007-2009 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "V8HTMLCanvasElement.h" |
| |
| #include "CanvasContextAttributes.h" |
| #include "CanvasRenderingContext.h" |
| #include "HTMLCanvasElement.h" |
| #include "WebGLContextAttributes.h" |
| #include "V8Binding.h" |
| #include "V8CanvasRenderingContext2D.h" |
| #include "V8Node.h" |
| #include "V8Proxy.h" |
| #include "V8WebGLRenderingContext.h" |
| |
| namespace WebCore { |
| |
| v8::Handle<v8::Value> V8HTMLCanvasElement::getContextCallback(const v8::Arguments& args) |
| { |
| INC_STATS("DOM.HTMLCanvasElement.context"); |
| v8::Handle<v8::Object> holder = args.Holder(); |
| HTMLCanvasElement* imp = V8HTMLCanvasElement::toNative(holder); |
| String contextId = toWebCoreString(args[0]); |
| RefPtr<CanvasContextAttributes> attrs; |
| #if ENABLE(3D_CANVAS) |
| if (contextId == "experimental-webgl" || contextId == "webkit-3d") { |
| attrs = WebGLContextAttributes::create(); |
| WebGLContextAttributes* webGLAttrs = static_cast<WebGLContextAttributes*>(attrs.get()); |
| if (args.Length() > 1 && args[0]->IsObject()) { |
| v8::Handle<v8::Object> jsAttrs = args[1]->ToObject(); |
| v8::Handle<v8::String> alpha = v8::String::New("alpha"); |
| if (jsAttrs->Has(alpha)) |
| webGLAttrs->setAlpha(jsAttrs->Get(alpha)->BooleanValue()); |
| v8::Handle<v8::String> depth = v8::String::New("depth"); |
| if (jsAttrs->Has(depth)) |
| webGLAttrs->setDepth(jsAttrs->Get(depth)->BooleanValue()); |
| v8::Handle<v8::String> stencil = v8::String::New("stencil"); |
| if (jsAttrs->Has(stencil)) |
| webGLAttrs->setStencil(jsAttrs->Get(stencil)->BooleanValue()); |
| v8::Handle<v8::String> antialias = v8::String::New("antialias"); |
| if (jsAttrs->Has(antialias)) |
| webGLAttrs->setAntialias(jsAttrs->Get(antialias)->BooleanValue()); |
| v8::Handle<v8::String> premultipliedAlpha = v8::String::New("premultipliedAlpha"); |
| if (jsAttrs->Has(premultipliedAlpha)) |
| webGLAttrs->setPremultipliedAlpha(jsAttrs->Get(premultipliedAlpha)->BooleanValue()); |
| } |
| } |
| #endif |
| CanvasRenderingContext* result = imp->getContext(contextId, attrs.get()); |
| if (!result) |
| return v8::Undefined(); |
| if (result->is2d()) |
| return toV8(static_cast<CanvasRenderingContext2D*>(result)); |
| #if ENABLE(3D_CANVAS) |
| else if (result->is3d()) |
| return toV8(static_cast<WebGLRenderingContext*>(result)); |
| #endif |
| ASSERT_NOT_REACHED(); |
| return v8::Undefined(); |
| } |
| |
| } // namespace WebCore |