author | Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com> |
Mon, 30 Mar 2009 12:54:55 +0300 | |
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permissions | -rw-r--r-- |
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/* |
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* Copyright (C) 2003, 2006, 2007 Apple Inc. All rights reserved. |
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* Copyright (C) 2005 Nokia. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#ifndef FloatRect_h |
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#define FloatRect_h |
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#include "FloatPoint.h" |
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#if PLATFORM(CG) |
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typedef struct CGRect CGRect; |
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#endif |
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#if PLATFORM(MAC) |
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#ifdef NSGEOMETRY_TYPES_SAME_AS_CGGEOMETRY_TYPES |
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typedef struct CGRect NSRect; |
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#else |
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typedef struct _NSRect NSRect; |
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#endif |
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#endif |
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#if PLATFORM(QT) |
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class QRectF; |
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#endif |
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namespace WebCore { |
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class IntRect; |
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class FloatRect { |
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public: |
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FloatRect() { } |
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FloatRect(const FloatPoint& location, const FloatSize& size) |
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: m_location(location), m_size(size) { } |
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FloatRect(float x, float y, float width, float height) |
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: m_location(FloatPoint(x, y)), m_size(FloatSize(width, height)) { } |
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FloatRect(const IntRect&); |
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static FloatRect narrowPrecision(double x, double y, double width, double height); |
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FloatPoint location() const { return m_location; } |
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FloatSize size() const { return m_size; } |
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void setLocation(const FloatPoint& location) { m_location = location; } |
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void setSize(const FloatSize& size) { m_size = size; } |
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float x() const { return m_location.x(); } |
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float y() const { return m_location.y(); } |
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float width() const { return m_size.width(); } |
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float height() const { return m_size.height(); } |
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void setX(float x) { m_location.setX(x); } |
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void setY(float y) { m_location.setY(y); } |
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void setWidth(float width) { m_size.setWidth(width); } |
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void setHeight(float height) { m_size.setHeight(height); } |
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bool isEmpty() const { return m_size.isEmpty(); } |
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float right() const { return x() + width(); } |
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float bottom() const { return y() + height(); } |
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void move(const FloatSize& delta) { m_location += delta; } |
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void move(float dx, float dy) { m_location.move(dx, dy); } |
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bool intersects(const FloatRect&) const; |
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bool contains(const FloatRect&) const; |
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void intersect(const FloatRect&); |
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void unite(const FloatRect&); |
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// Note, this doesn't match what IntRect::contains(IntPoint&) does; the int version |
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// is really checking for containment of 1x1 rect, but that doesn't make sense with floats. |
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bool contains(float px, float py) const |
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{ return px >= x() && px <= right() && py >= y() && py <= bottom(); } |
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bool contains(const FloatPoint& point) const { return contains(point.x(), point.y()); } |
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void inflateX(float dx) { |
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m_location.setX(m_location.x() - dx); |
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m_size.setWidth(m_size.width() + dx + dx); |
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} |
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void inflateY(float dy) { |
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m_location.setY(m_location.y() - dy); |
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m_size.setHeight(m_size.height() + dy + dy); |
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} |
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void inflate(float d) { inflateX(d); inflateY(d); } |
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void scale(float s); |
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#if PLATFORM(CG) |
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FloatRect(const CGRect&); |
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operator CGRect() const; |
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#endif |
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#if PLATFORM(MAC) && !defined(NSGEOMETRY_TYPES_SAME_AS_CGGEOMETRY_TYPES) |
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FloatRect(const NSRect&); |
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operator NSRect() const; |
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#endif |
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#if PLATFORM(QT) |
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FloatRect(const QRectF&); |
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operator QRectF() const; |
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#endif |
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#if PLATFORM(SYMBIAN) |
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FloatRect(const TRect&); |
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operator TRect() const; |
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TRect rect() const; |
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#endif |
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private: |
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FloatPoint m_location; |
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FloatSize m_size; |
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}; |
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inline FloatRect intersection(const FloatRect& a, const FloatRect& b) |
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{ |
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FloatRect c = a; |
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c.intersect(b); |
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return c; |
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} |
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inline FloatRect unionRect(const FloatRect& a, const FloatRect& b) |
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{ |
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FloatRect c = a; |
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c.unite(b); |
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return c; |
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} |
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inline bool operator==(const FloatRect& a, const FloatRect& b) |
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{ |
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return a.location() == b.location() && a.size() == b.size(); |
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} |
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inline bool operator!=(const FloatRect& a, const FloatRect& b) |
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{ |
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return a.location() != b.location() || a.size() != b.size(); |
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} |
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IntRect enclosingIntRect(const FloatRect&); |
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} |
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#endif |