diff options
Diffstat (limited to 'src/gui/painting/qvectorpath_p.h')
| -rw-r--r-- | src/gui/painting/qvectorpath_p.h | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/src/gui/painting/qvectorpath_p.h b/src/gui/painting/qvectorpath_p.h index e97d6e1dce..ca95c32597 100644 --- a/src/gui/painting/qvectorpath_p.h +++ b/src/gui/painting/qvectorpath_p.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/legal ** ** This file is part of the QtGui module of the Qt Toolkit. @@ -167,6 +167,32 @@ public: return 0; } + template <typename T> static inline bool isRect(const T *pts, int elementCount) { + return (elementCount == 5 // 5-point polygon, check for closed rect + && pts[0] == pts[8] && pts[1] == pts[9] // last point == first point + && pts[0] == pts[6] && pts[2] == pts[4] // x values equal + && pts[1] == pts[3] && pts[5] == pts[7] // y values equal... + && pts[0] < pts[4] && pts[1] < pts[5] + ) || + (elementCount == 4 // 4-point polygon, check for unclosed rect + && pts[0] == pts[6] && pts[2] == pts[4] // x values equal + && pts[1] == pts[3] && pts[5] == pts[7] // y values equal... + && pts[0] < pts[4] && pts[1] < pts[5] + ); + } + + inline bool isRect() const + { + const QPainterPath::ElementType * const types = elements(); + + return (shape() == QVectorPath::RectangleHint) + || (isRect(points(), elementCount()) + && (!types || (types[0] == QPainterPath::MoveToElement + && types[1] == QPainterPath::LineToElement + && types[2] == QPainterPath::LineToElement + && types[3] == QPainterPath::LineToElement))); + } + private: Q_DISABLE_COPY(QVectorPath) |