--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebCore/platform/graphics/IntRect.cpp Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,107 @@
+/*
+ * Copyright (C) 2003, 2006 Apple Computer, 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 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.
+ */
+
+#include "config.h"
+#include "IntRect.h"
+
+#include "FloatRect.h"
+#include <algorithm>
+
+using std::max;
+using std::min;
+
+namespace WebCore {
+
+IntRect::IntRect(const FloatRect& r)
+ : m_location(IntPoint(static_cast<int>(r.x()), static_cast<int>(r.y())))
+ , m_size(IntSize(static_cast<int>(r.width()), static_cast<int>(r.height())))
+{
+}
+
+bool IntRect::intersects(const IntRect& other) const
+{
+ // Checking emptiness handles negative widths as well as zero.
+ return !isEmpty() && !other.isEmpty()
+ && x() < other.right() && other.x() < right()
+ && y() < other.bottom() && other.y() < bottom();
+}
+
+bool IntRect::contains(const IntRect& other) const
+{
+ return x() <= other.x() && right() >= other.right()
+ && y() <= other.y() && bottom() >= other.bottom();
+}
+
+void IntRect::intersect(const IntRect& other)
+{
+ int l = max(x(), other.x());
+ int t = max(y(), other.y());
+ int r = min(right(), other.right());
+ int b = min(bottom(), other.bottom());
+
+ // 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(right(), other.right());
+ int b = max(bottom(), other.bottom());
+
+ m_location.setX(l);
+ m_location.setY(t);
+ m_size.setWidth(r - l);
+ m_size.setHeight(b - t);
+}
+
+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));
+}
+
+}