Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 228 insertions, 0 deletions

diff --git a/Source/WebCore/platform/graphics/FloatRect.h b/Source/WebCore/platform/graphics/FloatRect.h
new file mode 100644
index 0000000..10ad838
--- /dev/null
+++ b/Source/WebCore/platform/graphics/FloatRect.h
@@ -0,0 +1,228 @@
+/*
+ * Copyright (C) 2003, 2006, 2007 Apple Inc.  All rights reserved.
+ * Copyright (C) 2005 Nokia.  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.
+ */
+
+#ifndef FloatRect_h
+#define FloatRect_h
+
+#include "FloatPoint.h"
+
+#if PLATFORM(CG)
+typedef struct CGRect CGRect;
+#endif
+
+#if PLATFORM(MAC) || (PLATFORM(CHROMIUM) && OS(DARWIN))
+#ifdef NSGEOMETRY_TYPES_SAME_AS_CGGEOMETRY_TYPES
+typedef struct CGRect NSRect;
+#else
+typedef struct _NSRect NSRect;
+#endif
+#endif
+
+#if PLATFORM(QT)
+QT_BEGIN_NAMESPACE
+class QRectF;
+QT_END_NAMESPACE
+#endif
+
+#if PLATFORM(WX) && USE(WXGC)
+class wxRect2DDouble;
+#endif
+
+#if PLATFORM(HAIKU)
+class BRect;
+#endif
+
+#if PLATFORM(SKIA)
+struct SkRect;
+#endif
+
+#if PLATFORM(CAIRO)
+typedef struct _cairo_rectangle cairo_rectangle_t;
+#endif
+
+namespace WebCore {
+
+#if PLATFORM(OPENVG)
+class VGRect;
+#endif
+
+class IntRect;
+
+class FloatRect {
+public:
+    FloatRect() { }
+    FloatRect(const FloatPoint& location, const FloatSize& size)
+        : m_location(location), m_size(size) { }
+    FloatRect(float x, float y, float width, float height)
+        : m_location(FloatPoint(x, y)), m_size(FloatSize(width, height)) { }
+    FloatRect(const IntRect&);
+
+    static FloatRect narrowPrecision(double x, double y, double width, double height);
+
+    FloatPoint location() const { return m_location; }
+    FloatSize size() const { return m_size; }
+
+    void setLocation(const FloatPoint& location) { m_location = location; }
+    void setSize(const FloatSize& size) { m_size = size; }
+
+    float x() const { return m_location.x(); }
+    float y() const { return m_location.y(); }
+    float width() const { return m_size.width(); }
+    float height() const { return m_size.height(); }
+
+    void setX(float x) { m_location.setX(x); }
+    void setY(float y) { m_location.setY(y); }
+    void setWidth(float width) { m_size.setWidth(width); }
+    void setHeight(float height) { m_size.setHeight(height); }
+
+    bool isEmpty() const { return m_size.isEmpty(); }
+
+    float left() const { return x(); }
+    float right() const { return x() + width(); }
+    float top() const { return y(); }
+    float bottom() const { return y() + height(); }
+
+    FloatPoint center() const { return FloatPoint(x() + width() / 2, y() + height() / 2); }
+
+    void move(const FloatSize& delta) { m_location += delta; } 
+    void move(float dx, float dy) { m_location.move(dx, dy); } 
+
+    bool intersects(const FloatRect&) const;
+    bool contains(const FloatRect&) const;
+
+    void intersect(const FloatRect&);
+    void unite(const FloatRect&);
+
+    // Note, this doesn't match what IntRect::contains(IntPoint&) does; the int version
+    // is really checking for containment of 1x1 rect, but that doesn't make sense with floats.
+    bool contains(float px, float py) const
+        { return px >= x() && px <= right() && py >= y() && py <= bottom(); }
+    bool contains(const FloatPoint& point) const { return contains(point.x(), point.y()); }
+
+
+    void inflateX(float dx) {
+        m_location.setX(m_location.x() - dx);
+        m_size.setWidth(m_size.width() + dx + dx);
+    }
+    void inflateY(float dy) {
+        m_location.setY(m_location.y() - dy);
+        m_size.setHeight(m_size.height() + dy + dy);
+    }
+    void inflate(float d) { inflateX(d); inflateY(d); }
+    void scale(float s) { scale(s, s); }
+    void scale(float sx, float sy);
+
+    // Re-initializes this rectangle to fit the sets of passed points.
+    void fitToPoints(const FloatPoint& p0, const FloatPoint& p1);
+    void fitToPoints(const FloatPoint& p0, const FloatPoint& p1, const FloatPoint& p2);
+    void fitToPoints(const FloatPoint& p0, const FloatPoint& p1, const FloatPoint& p2, const FloatPoint& p3);
+
+#if PLATFORM(CG)
+    FloatRect(const CGRect&);
+    operator CGRect() const;
+#endif
+
+#if (PLATFORM(MAC) && !defined(NSGEOMETRY_TYPES_SAME_AS_CGGEOMETRY_TYPES)) \
+        || (PLATFORM(CHROMIUM) && OS(DARWIN))
+    FloatRect(const NSRect&);
+    operator NSRect() const;
+#endif
+
+#if PLATFORM(QT)
+    FloatRect(const QRectF&);
+    operator QRectF() const;
+    FloatRect normalized() const;
+#endif
+
+#if PLATFORM(WX) && USE(WXGC)
+    FloatRect(const wxRect2DDouble&);
+    operator wxRect2DDouble() const;
+#endif
+
+#if PLATFORM(HAIKU)
+    FloatRect(const BRect&);
+    operator BRect() const;
+#endif
+
+#if PLATFORM(SKIA)
+    FloatRect(const SkRect&);
+    operator SkRect() const;
+#endif
+
+#if PLATFORM(OPENVG)
+    operator VGRect() const;
+#endif
+
+#if PLATFORM(CAIRO)
+    FloatRect(const cairo_rectangle_t&);
+    operator cairo_rectangle_t() const;
+#endif
+
+private:
+    FloatPoint m_location;
+    FloatSize m_size;
+
+    void setLocationAndSizeFromEdges(float left, float top, float right, float bottom)
+    {
+        m_location.set(left, top);
+        m_size.setWidth(right - left);
+        m_size.setHeight(bottom - top);
+    }
+};
+
+inline FloatRect intersection(const FloatRect& a, const FloatRect& b)
+{
+    FloatRect c = a;
+    c.intersect(b);
+    return c;
+}
+
+inline FloatRect unionRect(const FloatRect& a, const FloatRect& b)
+{
+    FloatRect c = a;
+    c.unite(b);
+    return c;
+}
+
+
+inline bool operator==(const FloatRect& a, const FloatRect& b)
+{
+    return a.location() == b.location() && a.size() == b.size();
+}
+
+inline bool operator!=(const FloatRect& a, const FloatRect& b)
+{
+    return a.location() != b.location() || a.size() != b.size();
+}
+
+IntRect enclosingIntRect(const FloatRect&);
+
+// Map rect r from srcRect to an equivalent rect in destRect.
+FloatRect mapRect(const FloatRect& r, const FloatRect& srcRect, const FloatRect& destRect);
+
+}
+
+#endif