Move geometry classes from core/platform/graphics to platform/geometry

Source/core/platform/graphics/IntPoint.h

-/*
- * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.  All rights reserved.
- * Copyright (C) 2013 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:
- * 1. Redistributions of source code must retain the above copyright
- *    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
- * 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.
- */
-
-#ifndef IntPoint_h
-#define IntPoint_h
-
-#include "core/platform/graphics/IntSize.h"
-#include "wtf/MathExtras.h"
-
-#if OS(MACOSX)
-typedef struct CGPoint CGPoint;
-#ifdef NSGEOMETRY_TYPES_SAME_AS_CGGEOMETRY_TYPES
-typedef struct CGPoint NSPoint;
-#else
-typedef struct _NSPoint NSPoint;
-#endif
-#endif
-
-namespace WebCore {
-
-class IntPoint {
-public:
-    IntPoint() : m_x(0), m_y(0) { }
-    IntPoint(int x, int y) : m_x(x), m_y(y) { }
-    explicit IntPoint(const IntSize& size) : m_x(size.width()), m_y(size.height()) { }
-
-    static IntPoint zero() { return IntPoint(); }
-
-    int x() const { return m_x; }
-    int y() const { return m_y; }
-
-    void setX(int x) { m_x = x; }
-    void setY(int y) { m_y = y; }
-
-    void move(const IntSize& s) { move(s.width(), s.height()); }
-    void moveBy(const IntPoint& offset) { move(offset.x(), offset.y()); }
-    void move(int dx, int dy) { m_x += dx; m_y += dy; }
-    void scale(float sx, float sy)
-    {
-        m_x = lroundf(static_cast<float>(m_x * sx));
-        m_y = lroundf(static_cast<float>(m_y * sy));
-    }
-
-    IntPoint expandedTo(const IntPoint& other) const
-    {
-        return IntPoint(m_x > other.m_x ? m_x : other.m_x,
-            m_y > other.m_y ? m_y : other.m_y);
-    }
-
-    IntPoint shrunkTo(const IntPoint& other) const
-    {
-        return IntPoint(m_x < other.m_x ? m_x : other.m_x,
-            m_y < other.m_y ? m_y : other.m_y);
-    }
-
-    int distanceSquaredToPoint(const IntPoint&) const;
-
-    void clampNegativeToZero()
-    {
-        *this = expandedTo(zero());
-    }
-
-    IntPoint transposedPoint() const
-    {
-        return IntPoint(m_y, m_x);
-    }
-
-#if OS(MACOSX)
-    explicit IntPoint(const CGPoint&); // don't do this implicitly since it's lossy
-    operator CGPoint() const;
-
-#if !defined(NSGEOMETRY_TYPES_SAME_AS_CGGEOMETRY_TYPES)
-    explicit IntPoint(const NSPoint&); // don't do this implicitly since it's lossy
-    operator NSPoint() const;
-#endif
-#endif
-
-private:
-    int m_x, m_y;
-};
-
-inline IntPoint& operator+=(IntPoint& a, const IntSize& b)
-{
-    a.move(b.width(), b.height());
-    return a;
-}
-
-inline IntPoint& operator-=(IntPoint& a, const IntSize& b)
-{
-    a.move(-b.width(), -b.height());
-    return a;
-}
-
-inline IntPoint operator+(const IntPoint& a, const IntSize& b)
-{
-    return IntPoint(a.x() + b.width(), a.y() + b.height());
-}
-
-inline IntPoint operator+(const IntPoint& a, const IntPoint& b)
-{
-    return IntPoint(a.x() + b.x(), a.y() + b.y());
-}
-
-inline IntSize operator-(const IntPoint& a, const IntPoint& b)
-{
-    return IntSize(a.x() - b.x(), a.y() - b.y());
-}
-
-inline IntPoint operator-(const IntPoint& a, const IntSize& b)
-{
-    return IntPoint(a.x() - b.width(), a.y() - b.height());
-}
-
-inline IntPoint operator-(const IntPoint& point)
-{
-    return IntPoint(-point.x(), -point.y());
-}
-
-inline bool operator==(const IntPoint& a, const IntPoint& b)
-{
-    return a.x() == b.x() && a.y() == b.y();
-}
-
-inline bool operator!=(const IntPoint& a, const IntPoint& b)
-{
-    return a.x() != b.x() || a.y() != b.y();
-}
-
-inline IntSize toIntSize(const IntPoint& a)
-{
-    return IntSize(a.x(), a.y());
-}
-
-inline int IntPoint::distanceSquaredToPoint(const IntPoint& point) const
-{
-    return ((*this) - point).diagonalLengthSquared();
-}
-
-} // namespace WebCore
-
-#endif // IntPoint_h