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// 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
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