Source/WebCore/dom/DOMPointReadOnly.cpp

/*
 * Copyright (C) 2017 Apple Inc. All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 *
 * 1. Redistributions of source code must retain the above
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 *    disclaimer.
 * 2. 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.
 * 
 * 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 HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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#include "config.h"
#include "DOMPointReadOnly.h"

#include "DOMMatrixReadOnly.h"
#include "DOMPoint.h"
#include "WebCoreOpaqueRoot.h"
#include <wtf/IsoMallocInlines.h>

namespace WebCore {

WTF_MAKE_ISO_ALLOCATED_IMPL(DOMPointReadOnly);
    
ExceptionOr<Ref<DOMPoint>> DOMPointReadOnly::matrixTransform(DOMMatrixInit&& matrixInit) const
{
    auto matrixOrException = DOMMatrixReadOnly::fromMatrix(WTFMove(matrixInit));
    if (matrixOrException.hasException())
        return matrixOrException.releaseException();

    auto matrix = matrixOrException.releaseReturnValue();
    
    double x = this->x();
    double y = this->y();
    double z = this->z();
    double w = this->w();
    matrix->transformationMatrix().map4ComponentPoint(x, y, z, w);
    
    return { DOMPoint::create(x, y, z, w) };
}

WebCoreOpaqueRoot root(DOMPointReadOnly* point)
{
    return WebCoreOpaqueRoot { point };
}

} // namespace WebCore