1 /* 2 * Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved. 3 * Copyright (C) 2005 Nokia. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include "config.h" 28 #include "FloatPoint.h" 29 30 #include "TransformationMatrix.h" 31 #include "FloatConversion.h" 32 #include "IntPoint.h" 33 34 namespace WebCore { 35 36 FloatPoint::FloatPoint(const IntPoint& p) : m_x(p.x()), m_y(p.y()) 37 { 38 } 39 40 FloatPoint FloatPoint::matrixTransform(const AffineTransform& transform) const 41 { 42 double newX, newY; 43 transform.map(static_cast<double>(m_x), static_cast<double>(m_y), newX, newY); 44 return narrowPrecision(newX, newY); 45 } 46 47 FloatPoint FloatPoint::matrixTransform(const TransformationMatrix& transform) const 48 { 49 double newX, newY; 50 transform.map(static_cast<double>(m_x), static_cast<double>(m_y), newX, newY); 51 return narrowPrecision(newX, newY); 52 } 53 54 FloatPoint FloatPoint::narrowPrecision(double x, double y) 55 { 56 return FloatPoint(narrowPrecisionToFloat(x), narrowPrecisionToFloat(y)); 57 } 58 59 } 60