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

Source/core/platform/graphics/FloatPoint3D.h

-/*
-    Copyright (C) 2004, 2005, 2006 Nikolas Zimmermann <wildfox@kde.org>
-                  2004, 2005 Rob Buis <buis@kde.org>
-                  2005 Eric Seidel <eric@webkit.org>
-                  2010 Zoltan Herczeg <zherczeg@webkit.org>
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    aint with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#ifndef FloatPoint3D_h
-#define FloatPoint3D_h
-
-#include "core/platform/graphics/FloatPoint.h"
-
-namespace WebCore {
-
-class FloatPoint3D {
-public:
-    FloatPoint3D()
-        : m_x(0)
-        , m_y(0)
-        , m_z(0)
-    {
-    }
-
-    FloatPoint3D(float x, float y, float z)
-        : m_x(x)
-        , m_y(y)
-        , m_z(z)
-    {
-    }
-
-    FloatPoint3D(const FloatPoint& p)
-        : m_x(p.x())
-        , m_y(p.y())
-        , m_z(0)
-    {
-    }
-
-    FloatPoint3D(const FloatPoint3D& p)
-        : m_x(p.x())
-        , m_y(p.y())
-        , m_z(p.z())
-    {
-    }
-
-    float x() const { return m_x; }
-    void setX(float x) { m_x = x; }
-
-    float y() const { return m_y; }
-    void setY(float y) { m_y = y; }
-
-    float z() const { return m_z; }
-    void setZ(float z) { m_z = z; }
-    void set(float x, float y, float z)
-    {
-        m_x = x;
-        m_y = y;
-        m_z = z;
-    }
-    void move(float dx, float dy, float dz)
-    {
-        m_x += dx;
-        m_y += dy;
-        m_z += dz;
-    }
-    void scale(float sx, float sy, float sz)
-    {
-        m_x *= sx;
-        m_y *= sy;
-        m_z *= sz;
-    }
-
-    bool isZero() const
-    {
-        return !m_x && !m_y && !m_z;
-    }
-
-    void normalize();
-
-    float dot(const FloatPoint3D& a) const
-    {
-        return m_x * a.x() + m_y * a.y() + m_z * a.z();
-    }
-
-    // Sets this FloatPoint3D to the cross product of the passed two.
-    // It is safe for "this" to be the same as either or both of the
-    // arguments.
-    void cross(const FloatPoint3D& a, const FloatPoint3D& b)
-    {
-        float x = a.y() * b.z() - a.z() * b.y();
-        float y = a.z() * b.x() - a.x() * b.z();
-        float z = a.x() * b.y() - a.y() * b.x();
-        m_x = x;
-        m_y = y;
-        m_z = z;
-    }
-
-    // Convenience function returning "this cross point" as a
-    // stack-allocated result.
-    FloatPoint3D cross(const FloatPoint3D& point) const
-    {
-        FloatPoint3D result;
-        result.cross(*this, point);
-        return result;
-    }
-
-    float lengthSquared() const { return this->dot(*this); }
-    float length() const { return sqrtf(lengthSquared()); }
-
-    float distanceTo(const FloatPoint3D& a) const;
-
-private:
-    float m_x;
-    float m_y;
-    float m_z;
-};
-
-inline FloatPoint3D& operator +=(FloatPoint3D& a, const FloatPoint3D& b)
-{
-    a.move(b.x(), b.y(), b.z());
-    return a;
-}
-
-inline FloatPoint3D& operator -=(FloatPoint3D& a, const FloatPoint3D& b)
-{
-    a.move(-b.x(), -b.y(), -b.z());
-    return a;
-}
-
-inline FloatPoint3D operator+(const FloatPoint3D& a, const FloatPoint3D& b)
-{
-    return FloatPoint3D(a.x() + b.x(), a.y() + b.y(), a.z() + b.z());
-}
-
-inline FloatPoint3D operator-(const FloatPoint3D& a, const FloatPoint3D& b)
-{
-    return FloatPoint3D(a.x() - b.x(), a.y() - b.y(), a.z() - b.z());
-}
-
-inline bool operator==(const FloatPoint3D& a, const FloatPoint3D& b)
-{
-    return a.x() == b.x() && a.y() == b.y() && a.z() == b.z();
-}
-
-inline bool operator!=(const FloatPoint3D& a, const FloatPoint3D& b)
-{
-    return a.x() != b.x() || a.y() != b.y() || a.z() != b.z();
-}
-
-inline float operator*(const FloatPoint3D& a, const FloatPoint3D& b)
-{
-    // dot product
-    return a.dot(b);
-}
-
-inline FloatPoint3D operator*(float k, const FloatPoint3D& v)
-{
-    return FloatPoint3D(k * v.x(), k * v.y(), k * v.z());
-}
-
-inline FloatPoint3D operator*(const FloatPoint3D& v, float k)
-{
-    return FloatPoint3D(k * v.x(), k * v.y(), k * v.z());
-}
-
-inline float FloatPoint3D::distanceTo(const FloatPoint3D& a) const
-{
-    return (*this - a).length();
-}
-
-} // namespace WebCore
-
-#endif // FloatPoint3D_h