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

Source/core/platform/graphics/IntRect.cpp

-/*
- * 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.
- */
-
-#include "config.h"
-#include "core/platform/graphics/IntRect.h"
-
-#include "core/platform/graphics/FloatRect.h"
-#include "core/platform/graphics/LayoutRect.h"
-#include "third_party/skia/include/core/SkRect.h"
-
-#include <algorithm>
-
-using std::max;
-using std::min;
-
-namespace WebCore {
-
-IntRect::IntRect(const FloatRect& r)
-    : m_location(clampToInteger(r.x()), clampToInteger(r.y()))
-    , m_size(clampToInteger(r.width()), clampToInteger(r.height()))
-{
-}
-
-IntRect::IntRect(const LayoutRect& r)
-    : m_location(r.x(), r.y())
-    , m_size(r.width(), r.height())
-{
-}
-
-bool IntRect::intersects(const IntRect& other) const
-{
-    // Checking emptiness handles negative widths as well as zero.
-    return !isEmpty() && !other.isEmpty()
-        && x() < other.maxX() && other.x() < maxX()
-        && y() < other.maxY() && other.y() < maxY();
-}
-
-bool IntRect::contains(const IntRect& other) const
-{
-    return x() <= other.x() && maxX() >= other.maxX()
-        && y() <= other.y() && maxY() >= other.maxY();
-}
-
-void IntRect::intersect(const IntRect& other)
-{
-    int l = max(x(), other.x());
-    int t = max(y(), other.y());
-    int r = min(maxX(), other.maxX());
-    int b = min(maxY(), other.maxY());
-
-    // Return a clean empty rectangle for non-intersecting cases.
-    if (l >= r || t >= b) {
-        l = 0;
-        t = 0;
-        r = 0;
-        b = 0;
-    }
-
-    m_location.setX(l);
-    m_location.setY(t);
-    m_size.setWidth(r - l);
-    m_size.setHeight(b - t);
-}
-
-void IntRect::unite(const IntRect& other)
-{
-    // Handle empty special cases first.
-    if (other.isEmpty())
-        return;
-    if (isEmpty()) {
-        *this = other;
-        return;
-    }
-
-    int l = min(x(), other.x());
-    int t = min(y(), other.y());
-    int r = max(maxX(), other.maxX());
-    int b = max(maxY(), other.maxY());
-
-    m_location.setX(l);
-    m_location.setY(t);
-    m_size.setWidth(r - l);
-    m_size.setHeight(b - t);
-}
-
-void IntRect::uniteIfNonZero(const IntRect& other)
-{
-    // Handle empty special cases first.
-    if (!other.width() && !other.height())
-        return;
-    if (!width() && !height()) {
-        *this = other;
-        return;
-    }
-
-    int left = min(x(), other.x());
-    int top = min(y(), other.y());
-    int right = max(maxX(), other.maxX());
-    int bottom = max(maxY(), other.maxY());
-
-    m_location.setX(left);
-    m_location.setY(top);
-    m_size.setWidth(right - left);
-    m_size.setHeight(bottom - top);
-}
-
-void IntRect::scale(float s)
-{
-    m_location.setX((int)(x() * s));
-    m_location.setY((int)(y() * s));
-    m_size.setWidth((int)(width() * s));
-    m_size.setHeight((int)(height() * s));
-}
-
-static inline int distanceToInterval(int pos, int start, int end)
-{
-    if (pos < start)
-        return start - pos;
-    if (pos > end)
-        return end - pos;
-    return 0;
-}
-
-IntSize IntRect::differenceToPoint(const IntPoint& point) const
-{
-    int xdistance = distanceToInterval(point.x(), x(), maxX());
-    int ydistance = distanceToInterval(point.y(), y(), maxY());
-    return IntSize(xdistance, ydistance);
-}
-
-IntRect::operator SkIRect() const
-{
-    SkIRect rect = { x(), y(), maxX(), maxY() };
-    return rect;
-}
-
-IntRect::operator SkRect() const
-{
-    SkRect rect;
-    rect.set(SkIntToScalar(x()), SkIntToScalar(y()), SkIntToScalar(maxX()), SkIntToScalar(maxY()));
-    return rect;
-}
-
-IntRect unionRect(const Vector<IntRect>& rects)
-{
-    IntRect result;
-
-    size_t count = rects.size();
-    for (size_t i = 0; i < count; ++i)
-        result.unite(rects[i]);
-
-    return result;
-}
-
-} // namespace WebCore