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Diffstat (limited to 'V8Binding/v8/V8CanvasPixelArrayCustom.cpp')
-rw-r--r-- | V8Binding/v8/V8CanvasPixelArrayCustom.cpp | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/V8Binding/v8/V8CanvasPixelArrayCustom.cpp b/V8Binding/v8/V8CanvasPixelArrayCustom.cpp new file mode 100644 index 0000000..d5441a1 --- /dev/null +++ b/V8Binding/v8/V8CanvasPixelArrayCustom.cpp @@ -0,0 +1,77 @@ +// Copyright (c) 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 "v8_binding.h" +#include "v8_custom.h" +#include "v8_proxy.h" + +#include "CanvasPixelArray.h" + +namespace WebCore { + +// Get the specified value from the pixel buffer and return it wrapped as a +// JavaScript Number object to V8. Accesses outside the valid pixel buffer +// range return "undefined". +INDEXED_PROPERTY_GETTER(CanvasPixelArray) { + INC_STATS("DOM.CanvasPixelArray.IndexedPropertyGetter"); + CanvasPixelArray* pixelBuffer = + V8Proxy::ToNativeObject<CanvasPixelArray>( + V8ClassIndex::CANVASPIXELARRAY, + info.Holder()); + + if ((index < 0) || (index >= pixelBuffer->length())) { + return v8::Undefined(); + } + unsigned char result; + if (!pixelBuffer->get(index, result)) { + return v8::Undefined(); + } + return v8::Number::New(result); +} + + +// Set the specified value in the pixel buffer. Accesses outside the valid pixel +// buffer range are silently ignored. +INDEXED_PROPERTY_SETTER(CanvasPixelArray) { + INC_STATS("DOM.CanvasPixelArray.IndexedPropertySetter"); + CanvasPixelArray* pixelBuffer = + V8Proxy::ToNativeObject<CanvasPixelArray>( + V8ClassIndex::CANVASPIXELARRAY, + info.Holder()); + + if ((index >= 0) && (index < pixelBuffer->length())) { + pixelBuffer->set(index, value->NumberValue()); + } + return value; +} + + +} // namespace WebCore |