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

Source/core/platform/graphics/IntRect.h

-/*
- * Copyright (C) 2003, 2006, 2009 Apple 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 INC. AND ITS 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 APPLE INC. OR ITS 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 IntRect_h
-#define IntRect_h
-
-#include "core/platform/graphics/IntPoint.h"
-#include "wtf/FastAllocBase.h"
-#include "wtf/Vector.h"
-
-#if OS(MACOSX)
-typedef struct CGRect CGRect;
-
-#ifdef NSGEOMETRY_TYPES_SAME_AS_CGGEOMETRY_TYPES
-typedef struct CGRect NSRect;
-#else
-typedef struct _NSRect NSRect;
-#endif
-#endif
-
-struct SkRect;
-struct SkIRect;
-
-namespace WebCore {
-
-class FloatRect;
-class LayoutRect;
-
-class IntRect {
-    WTF_MAKE_FAST_ALLOCATED;
-public:
-    IntRect() { }
-    IntRect(const IntPoint& location, const IntSize& size)
-        : m_location(location), m_size(size) { }
-    IntRect(int x, int y, int width, int height)
-        : m_location(IntPoint(x, y)), m_size(IntSize(width, height)) { }
-
-    explicit IntRect(const FloatRect&); // don't do this implicitly since it's lossy
-    explicit IntRect(const LayoutRect&); // don't do this implicitly since it's lossy
-
-    IntPoint location() const { return m_location; }
-    IntSize size() const { return m_size; }
-
-    void setLocation(const IntPoint& location) { m_location = location; }
-    void setSize(const IntSize& size) { m_size = size; }
-
-    int x() const { return m_location.x(); }
-    int y() const { return m_location.y(); }
-    int maxX() const { return x() + width(); }
-    int maxY() const { return y() + height(); }
-    int width() const { return m_size.width(); }
-    int height() const { return m_size.height(); }
-
-    void setX(int x) { m_location.setX(x); }
-    void setY(int y) { m_location.setY(y); }
-    void setWidth(int width) { m_size.setWidth(width); }
-    void setHeight(int height) { m_size.setHeight(height); }
-
-    bool isEmpty() const { return m_size.isEmpty(); }
-
-    // NOTE: The result is rounded to integer values, and thus may be not the exact
-    // center point.
-    IntPoint center() const { return IntPoint(x() + width() / 2, y() + height() / 2); }
-
-    void move(const IntSize& size) { m_location += size; }
-    void moveBy(const IntPoint& offset) { m_location.move(offset.x(), offset.y()); }
-    void move(int dx, int dy) { m_location.move(dx, dy); }
-
-    void expand(const IntSize& size) { m_size += size; }
-    void expand(int dw, int dh) { m_size.expand(dw, dh); }
-    void contract(const IntSize& size) { m_size -= size; }
-    void contract(int dw, int dh) { m_size.expand(-dw, -dh); }
-
-    void shiftXEdgeTo(int edge)
-    {
-        int delta = edge - x();
-        setX(edge);
-        setWidth(std::max(0, width() - delta));
-    }
-    void shiftMaxXEdgeTo(int edge)
-    {
-        int delta = edge - maxX();
-        setWidth(std::max(0, width() + delta));
-    }
-    void shiftYEdgeTo(int edge)
-    {
-        int delta = edge - y();
-        setY(edge);
-        setHeight(std::max(0, height() - delta));
-    }
-    void shiftMaxYEdgeTo(int edge)
-    {
-        int delta = edge - maxY();
-        setHeight(std::max(0, height() + delta));
-    }
-
-    IntPoint minXMinYCorner() const { return m_location; } // typically topLeft
-    IntPoint maxXMinYCorner() const { return IntPoint(m_location.x() + m_size.width(), m_location.y()); } // typically topRight
-    IntPoint minXMaxYCorner() const { return IntPoint(m_location.x(), m_location.y() + m_size.height()); } // typically bottomLeft
-    IntPoint maxXMaxYCorner() const { return IntPoint(m_location.x() + m_size.width(), m_location.y() + m_size.height()); } // typically bottomRight
-
-    bool intersects(const IntRect&) const;
-    bool contains(const IntRect&) const;
-
-    // This checks to see if the rect contains x,y in the traditional sense.
-    // Equivalent to checking if the rect contains a 1x1 rect below and to the right of (px,py).
-    bool contains(int px, int py) const
-        { return px >= x() && px < maxX() && py >= y() && py < maxY(); }
-    bool contains(const IntPoint& point) const { return contains(point.x(), point.y()); }
-
-    void intersect(const IntRect&);
-    void unite(const IntRect&);
-    void uniteIfNonZero(const IntRect&);
-
-    void inflateX(int dx)
-    {
-        m_location.setX(m_location.x() - dx);
-        m_size.setWidth(m_size.width() + dx + dx);
-    }
-    void inflateY(int dy)
-    {
-        m_location.setY(m_location.y() - dy);
-        m_size.setHeight(m_size.height() + dy + dy);
-    }
-    void inflate(int d) { inflateX(d); inflateY(d); }
-    void scale(float s);
-
-    IntSize differenceToPoint(const IntPoint&) const;
-    int distanceSquaredToPoint(const IntPoint& p) const { return differenceToPoint(p).diagonalLengthSquared(); }
-
-    IntRect transposedRect() const { return IntRect(m_location.transposedPoint(), m_size.transposedSize()); }
-
-#if OS(MACOSX)
-    operator CGRect() const;
-#if !defined(NSGEOMETRY_TYPES_SAME_AS_CGGEOMETRY_TYPES)
-    operator NSRect() const;
-#endif
-#endif
-
-    operator SkRect() const;
-    operator SkIRect() const;
-
-private:
-    IntPoint m_location;
-    IntSize m_size;
-};
-
-inline IntRect intersection(const IntRect& a, const IntRect& b)
-{
-    IntRect c = a;
-    c.intersect(b);
-    return c;
-}
-
-inline IntRect unionRect(const IntRect& a, const IntRect& b)
-{
-    IntRect c = a;
-    c.unite(b);
-    return c;
-}
-
-IntRect unionRect(const Vector<IntRect>&);
-
-inline bool operator==(const IntRect& a, const IntRect& b)
-{
-    return a.location() == b.location() && a.size() == b.size();
-}
-
-inline bool operator!=(const IntRect& a, const IntRect& b)
-{
-    return a.location() != b.location() || a.size() != b.size();
-}
-
-#if OS(MACOSX)
-IntRect enclosingIntRect(const CGRect&);
-#if !defined(NSGEOMETRY_TYPES_SAME_AS_CGGEOMETRY_TYPES)
-IntRect enclosingIntRect(const NSRect&);
-#endif
-#endif
-
-} // namespace WebCore
-
-#endif // IntRect_h