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FloatPoint.cpp
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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 "AffineTransform.h"
31#include "FloatConversion.h"
32#include "IntPoint.h"
33
34namespace WebCore {
35
36FloatPoint::FloatPoint(const IntPoint& p) : m_x(p.x()), m_y(p.y())
37{
38}
39
40FloatPoint 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
47FloatPoint FloatPoint::narrowPrecision(double x, double y)
48{
49 return FloatPoint(narrowPrecisionToFloat(x), narrowPrecisionToFloat(y));
50}
51
52}
AffineTransform.h
FloatConversion.h
FloatPoint.h
IntPoint.h
WebCore::AffineTransform
Definition: AffineTransform.h:47
WebCore::AffineTransform::map
void map(double x, double y, double *x2, double *y2) const
Definition: AffineTransformQt.cpp:55
WebCore::FloatPoint
Definition: FloatPoint.h:61
WebCore::FloatPoint::FloatPoint
FloatPoint()
Definition: FloatPoint.h:63
WebCore::FloatPoint::y
float y() const
Definition: FloatPoint.h:70
WebCore::FloatPoint::narrowPrecision
static FloatPoint narrowPrecision(double x, double y)
Definition: FloatPoint.cpp:47
WebCore::FloatPoint::matrixTransform
FloatPoint matrixTransform(const AffineTransform &) const
Definition: FloatPoint.cpp:40
WebCore::FloatPoint::x
float x() const
Definition: FloatPoint.h:69
WebCore::IntPoint
Definition: IntPoint.h:64
WebCore
Definition: CSSHelper.h:7
WebCore::narrowPrecisionToFloat
float narrowPrecisionToFloat(T)
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