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1 /**************************************************************************** |
1 /**************************************************************************** |
2 ** |
2 ** |
3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
3 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
4 ** All rights reserved. |
4 ** All rights reserved. |
5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
6 ** |
6 ** |
7 ** This file is part of the QtGui module of the Qt Toolkit. |
7 ** This file is part of the QtGui module of the Qt Toolkit. |
8 ** |
8 ** |
88 static QPointF normalize(const QPointF &p) |
88 static QPointF normalize(const QPointF &p) |
89 { |
89 { |
90 return p / qSqrt(p.x() * p.x() + p.y() * p.y()); |
90 return p / qSqrt(p.x() * p.x() + p.y() * p.y()); |
91 } |
91 } |
92 |
92 |
93 static bool pathToRect(const QPainterPath &path, QRectF *rect = 0); |
|
94 |
|
95 struct QIntersection |
93 struct QIntersection |
96 { |
94 { |
97 qreal alphaA; |
95 qreal alphaA; |
98 qreal alphaB; |
96 qreal alphaB; |
99 |
97 |
1658 static bool fuzzyCompare(qreal a, qreal b) |
1656 static bool fuzzyCompare(qreal a, qreal b) |
1659 { |
1657 { |
1660 return qFuzzyCompare(a, b); |
1658 return qFuzzyCompare(a, b); |
1661 } |
1659 } |
1662 |
1660 |
1663 static bool pathToRect(const QPainterPath &path, QRectF *rect) |
1661 bool QPathClipper::pathToRect(const QPainterPath &path, QRectF *rect) |
1664 { |
1662 { |
1665 if (path.elementCount() != 5) |
1663 if (path.elementCount() != 5) |
1666 return false; |
1664 return false; |
1667 |
1665 |
1668 const bool mightBeRect = path.elementAt(0).isMoveTo() |
1666 const bool mightBeRect = path.elementAt(0).isMoveTo() |
1691 |
1689 |
1692 if (path.elementAt(4).x != x1 || path.elementAt(4).y != y1) |
1690 if (path.elementAt(4).x != x1 || path.elementAt(4).y != y1) |
1693 return false; |
1691 return false; |
1694 |
1692 |
1695 if (rect) |
1693 if (rect) |
1696 *rect = QRectF(QPointF(x1, y1), QPointF(x2, y2)); |
1694 rect->setCoords(x1, y1, x2, y2); |
1697 |
1695 |
1698 return true; |
1696 return true; |
1699 } |
1697 } |
1700 |
1698 |
1701 |
1699 |