webkit/src/WebCore/bindings/v8/custom/V8CanvasPixelArrayCustom.cpp

/*
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#include "config.h"
#include "CanvasPixelArray.h"

#include "V8Binding.h"
#include "V8CustomBinding.h"
#include "V8Proxy.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 = V8DOMWrapper::convertToNativeObject<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 = V8DOMWrapper::convertToNativeObject<CanvasPixelArray>(V8ClassIndex::CANVASPIXELARRAY, info.Holder());

    if ((index >= 0) && (index < pixelBuffer->length()))
        pixelBuffer->set(index, value->NumberValue());
    return value;
}

} // namespace WebCore