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

Source/core/platform/graphics/LayoutSize.h

-/*
- * Copyright (c) 2012, 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:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * 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.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "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 THE COPYRIGHT
- * OWNER 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 LayoutSize_h
-#define LayoutSize_h
-
-#include "core/platform/graphics/FloatSize.h"
-#include "core/platform/graphics/IntSize.h"
-#include "platform/LayoutUnit.h"
-
-namespace WebCore {
-
-class LayoutPoint;
-
-enum AspectRatioFit {
-    AspectRatioFitShrink,
-    AspectRatioFitGrow
-};
-
-class LayoutSize {
-public:
-    LayoutSize() { }
-    LayoutSize(const IntSize& size) : m_width(size.width()), m_height(size.height()) { }
-    LayoutSize(LayoutUnit width, LayoutUnit height) : m_width(width), m_height(height) { }
-
-    explicit LayoutSize(const FloatSize& size) : m_width(size.width()), m_height(size.height()) { }
-
-    LayoutUnit width() const { return m_width; }
-    LayoutUnit height() const { return m_height; }
-
-    void setWidth(LayoutUnit width) { m_width = width; }
-    void setHeight(LayoutUnit height) { m_height = height; }
-
-    bool isEmpty() const { return m_width.rawValue() <= 0 || m_height.rawValue() <= 0; }
-    bool isZero() const { return !m_width && !m_height; }
-
-    float aspectRatio() const { return static_cast<float>(m_width) / static_cast<float>(m_height); }
-
-    void expand(LayoutUnit width, LayoutUnit height)
-    {
-        m_width += width;
-        m_height += height;
-    }
-
-    void shrink(LayoutUnit width, LayoutUnit height)
-    {
-        m_width -= width;
-        m_height -= height;
-    }
-
-    void scale(float scale)
-    {
-        m_width *= scale;
-        m_height *= scale;
-    }
-
-    void scale(float widthScale, float heightScale)
-    {
-        m_width *= widthScale;
-        m_height *= heightScale;
-    }
-
-    LayoutSize expandedTo(const LayoutSize& other) const
-    {
-        return LayoutSize(m_width > other.m_width ? m_width : other.m_width,
-            m_height > other.m_height ? m_height : other.m_height);
-    }
-
-    LayoutSize shrunkTo(const LayoutSize& other) const
-    {
-        return LayoutSize(m_width < other.m_width ? m_width : other.m_width,
-            m_height < other.m_height ? m_height : other.m_height);
-    }
-
-    void clampNegativeToZero()
-    {
-        *this = expandedTo(LayoutSize());
-    }
-
-    void clampToMinimumSize(const LayoutSize& minimumSize)
-    {
-        if (m_width < minimumSize.width())
-            m_width = minimumSize.width();
-        if (m_height < minimumSize.height())
-            m_height = minimumSize.height();
-    }
-
-    LayoutSize transposedSize() const
-    {
-        return LayoutSize(m_height, m_width);
-    }
-
-    LayoutSize fitToAspectRatio(const LayoutSize& aspectRatio, AspectRatioFit fit) const
-    {
-        float heightScale = height().toFloat() / aspectRatio.height().toFloat();
-        float widthScale = width().toFloat() / aspectRatio.width().toFloat();
-        if ((widthScale > heightScale) != (fit == AspectRatioFitGrow))
-            return LayoutSize(height() * aspectRatio.width() / aspectRatio.height(), height());
-        return LayoutSize(width(), width() * aspectRatio.height() / aspectRatio.width());
-    }
-
-private:
-    LayoutUnit m_width, m_height;
-};
-
-inline LayoutSize& operator+=(LayoutSize& a, const LayoutSize& b)
-{
-    a.setWidth(a.width() + b.width());
-    a.setHeight(a.height() + b.height());
-    return a;
-}
-
-inline LayoutSize& operator-=(LayoutSize& a, const LayoutSize& b)
-{
-    a.setWidth(a.width() - b.width());
-    a.setHeight(a.height() - b.height());
-    return a;
-}
-
-inline LayoutSize operator+(const LayoutSize& a, const LayoutSize& b)
-{
-    return LayoutSize(a.width() + b.width(), a.height() + b.height());
-}
-
-inline LayoutSize operator-(const LayoutSize& a, const LayoutSize& b)
-{
-    return LayoutSize(a.width() - b.width(), a.height() - b.height());
-}
-
-inline LayoutSize operator-(const LayoutSize& size)
-{
-    return LayoutSize(-size.width(), -size.height());
-}
-
-inline bool operator==(const LayoutSize& a, const LayoutSize& b)
-{
-    return a.width() == b.width() && a.height() == b.height();
-}
-
-inline bool operator!=(const LayoutSize& a, const LayoutSize& b)
-{
-    return a.width() != b.width() || a.height() != b.height();
-}
-
-inline IntSize flooredIntSize(const LayoutSize& s)
-{
-    return IntSize(s.width().floor(), s.height().floor());
-}
-
-inline IntSize roundedIntSize(const LayoutSize& s)
-{
-    return IntSize(s.width().round(), s.height().round());
-}
-
-inline LayoutSize roundedLayoutSize(const FloatSize& s)
-{
-    return LayoutSize(s);
-}
-
-} // namespace WebCore
-
-#endif // LayoutSize_h