WebCore/platform/graphics/FloatPoint.cpp

/*
 * Copyright (C) 2004, 2006, 2007 Apple Inc.  All rights reserved.
 * Copyright (C) 2005 Nokia.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
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 *    notice, this list of conditions and the following 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 APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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
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#include "config.h"
#include "FloatPoint.h"

#include "AffineTransform.h"
#include "FloatConversion.h"
#include "IntPoint.h"

namespace WebCore {

FloatPoint::FloatPoint(const IntPoint& p) : m_x(p.x()), m_y(p.y())
{
}

FloatPoint FloatPoint::matrixTransform(const AffineTransform& transform) const
{
    double newX, newY;
    transform.map(static_cast<double>(m_x), static_cast<double>(m_y), &newX, &newY);
    return narrowPrecision(newX, newY);
}

FloatPoint FloatPoint::narrowPrecision(double x, double y)
{
    return FloatPoint(narrowPrecisionToFloat(x), narrowPrecisionToFloat(y));
}

}