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

Source/core/platform/graphics/FloatSize.h

-/*
- * Copyright (C) 2003, 2006 Apple Computer, Inc.  All rights reserved.
- * Copyright (C) 2005 Nokia.  All rights reserved.
- *               2008 Eric Seidel <eric@webkit.org>
- *
- * 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 FloatSize_h
-#define FloatSize_h
-
-#include "core/platform/graphics/IntPoint.h"
-#include "wtf/MathExtras.h"
-
-
-#if OS(MACOSX)
-typedef struct CGSize CGSize;
-
-#ifdef NSGEOMETRY_TYPES_SAME_AS_CGGEOMETRY_TYPES
-typedef struct CGSize NSSize;
-#else
-typedef struct _NSSize NSSize;
-#endif
-#endif
-
-namespace WebCore {
-
-class IntSize;
-class LayoutSize;
-
-class FloatSize {
-public:
-    FloatSize() : m_width(0), m_height(0) { }
-    FloatSize(float width, float height) : m_width(width), m_height(height) { }
-    FloatSize(const IntSize&);
-    FloatSize(const LayoutSize&);
-
-    static FloatSize narrowPrecision(double width, double height);
-
-    float width() const { return m_width; }
-    float height() const { return m_height; }
-
-    void setWidth(float width) { m_width = width; }
-    void setHeight(float height) { m_height = height; }
-
-    bool isEmpty() const { return m_width <= 0 || m_height <= 0; }
-    bool isZero() const;
-    bool isExpressibleAsIntSize() const;
-
-    float aspectRatio() const { return m_width / m_height; }
-
-    void expand(float width, float height)
-    {
-        m_width += width;
-        m_height += height;
-    }
-
-    void scale(float s) { scale(s, s); }
-
-    void scale(float scaleX, float scaleY)
-    {
-        m_width *= scaleX;
-        m_height *= scaleY;
-    }
-
-    FloatSize expandedTo(const FloatSize& other) const
-    {
-        return FloatSize(m_width > other.m_width ? m_width : other.m_width,
-            m_height > other.m_height ? m_height : other.m_height);
-    }
-
-    FloatSize shrunkTo(const FloatSize& other) const
-    {
-       return FloatSize(m_width < other.m_width ? m_width : other.m_width,
-           m_height < other.m_height ? m_height : other.m_height);
-    }
-
-    float diagonalLength() const;
-    float diagonalLengthSquared() const
-    {
-        return m_width * m_width + m_height * m_height;
-    }
-
-    FloatSize transposedSize() const
-    {
-        return FloatSize(m_height, m_width);
-    }
-
-#if OS(MACOSX)
-    explicit FloatSize(const CGSize&); // don't do this implicitly since it's lossy
-    operator CGSize() const;
-#if !defined(NSGEOMETRY_TYPES_SAME_AS_CGGEOMETRY_TYPES)
-    explicit FloatSize(const NSSize &); // don't do this implicitly since it's lossy
-    operator NSSize() const;
-#endif
-#endif
-
-private:
-    float m_width, m_height;
-};
-
-inline FloatSize& operator+=(FloatSize& a, const FloatSize& b)
-{
-    a.setWidth(a.width() + b.width());
-    a.setHeight(a.height() + b.height());
-    return a;
-}
-
-inline FloatSize& operator-=(FloatSize& a, const FloatSize& b)
-{
-    a.setWidth(a.width() - b.width());
-    a.setHeight(a.height() - b.height());
-    return a;
-}
-
-inline FloatSize operator+(const FloatSize& a, const FloatSize& b)
-{
-    return FloatSize(a.width() + b.width(), a.height() + b.height());
-}
-
-inline FloatSize operator-(const FloatSize& a, const FloatSize& b)
-{
-    return FloatSize(a.width() - b.width(), a.height() - b.height());
-}
-
-inline FloatSize operator-(const FloatSize& size)
-{
-    return FloatSize(-size.width(), -size.height());
-}
-
-inline FloatSize operator*(const FloatSize& a, const float b)
-{
-    return FloatSize(a.width() * b, a.height() * b);
-}
-
-inline FloatSize operator*(const float a, const FloatSize& b)
-{
-    return FloatSize(a * b.width(), a * b.height());
-}
-
-inline bool operator==(const FloatSize& a, const FloatSize& b)
-{
-    return a.width() == b.width() && a.height() == b.height();
-}
-
-inline bool operator!=(const FloatSize& a, const FloatSize& b)
-{
-    return a.width() != b.width() || a.height() != b.height();
-}
-
-inline IntSize roundedIntSize(const FloatSize& p)
-{
-    return IntSize(clampToInteger(roundf(p.width())), clampToInteger(roundf(p.height())));
-}
-
-inline IntSize flooredIntSize(const FloatSize& p)
-{
-    return IntSize(clampToInteger(floorf(p.width())), clampToInteger(floorf(p.height())));
-}
-
-inline IntSize expandedIntSize(const FloatSize& p)
-{
-    return IntSize(clampToInteger(ceilf(p.width())), clampToInteger(ceilf(p.height())));
-}
-
-inline IntPoint flooredIntPoint(const FloatSize& p)
-{
-    return IntPoint(clampToInteger(floorf(p.width())), clampToInteger(floorf(p.height())));
-}
-
-} // namespace WebCore
-
-#endif // FloatSize_h